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Manual Cabletron Systems STS16-20D

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Summary
  • Cabletron Systems STS16-20D - page 1

    SmartStack STS16-20D/STS16 -20R Token Ring Switches Installation and User Guide ...

  • Cabletron Systems STS16-20D - page 2

    ...

  • Cabletron Systems STS16-20D - page 3

    i Notice Notice Cabletron Systems res erves the right to mak e changes in s pecifications and other information contained in this document without prior notice. The reader s hould in all cases consult Cabletron Systems to d etermine whether any such changes ha v e been made. The hardw are, f irmw are, or s oftwar e described in this man ual is su b ...

  • Cabletron Systems STS16-20D - page 4

    ii Notice FCC Notice This device complies with Part 15 of the F CC rules. Operation i s subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept an y interference r ecei ved, in cl uding interf erence that may cause undesired operation. NO TE: This equipment has been tested and fou ...

  • Cabletron Systems STS16-20D - page 5

    iii Notice Dec laration of Conf ormity Addend um Application of Council Directi ve(s): 89/336 /EEC 73/23/ EEC Manufacturer ’ s Name: Cabletron Systems, Inc. Manufacturer ’ s Address: 35 In dustrial Way PO Box 50 05 Rochester, NH 038 67 European Representati ve Name: Mr. J. Solari European Represen tati ve Address: Cabletron Systems Limited Nexu ...

  • Cabletron Systems STS16-20D - page 6

    iv Notice T a b le of C ontent s 1. Introduction 1 Switch ing Technolo gy . . . . . . . . . . . . . . . . . . . . . . . 2 Switch of Switch es . . . . . . . . . . . . . . . . . . . . . . 2 Switch of Servers . . . . . . . . . . . . . . . . . . . . . . . 3 Switch of Hubs . . . . . . . . . . . . . . . . . . . . . . . . 3 Switch of Desktops . . . . . . ...

  • Cabletron Systems STS16-20D - page 7

    v Notice Spanning Tree Protoc ol Support . . . . . . . . . . . . . . . . 30 VLAN Sup port . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Dynamic So urce Route Re covery . . . . . . . . . . . . . . . . 32 Managemen t . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 SNMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Smart ...

  • Cabletron Systems STS16-20D - page 8

    vi Notice Using B uilding Wiri ng . . . . . . . . . . . . . . . . . . . . 61 Checking the Instal lation . . . . . . . . . . . . . . . . . . . . 62 Applyin g Power . . . . . . . . . . . . . . . . . . . . . . . . . 63 Stacker Link Modul e . . . . . . . . . . . . . . . . . . . . . . 65 Installati on . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Cabletron Systems STS16-20D - page 9

    vii Notice CrossLi nk Menu . . . . . . . . . . . . . . . . . . . . . . 112 CrossLi nk Configur ation Screen . . . . . . . . . . . . . . 113 Setting up a Cross Link . . . . . . . . . . . . . . . . . . . 114 Current Cr ossLink Info rmation Scre en . . . . . . . . . . 115 Address Fi ltering . . . . . . . . . . . . . . . . . . . . . . . . 116 Filters a ...

  • Cabletron Systems STS16-20D - page 10

    viii Notice Port Stat istics Men u . . . . . . . . . . . . . . . . . . . . . . . 162 General Statisti cs Screen . . . . . . . . . . . . . . . . . . 163 802.5 Sta tistics S creen . . . . . . . . . . . . . . . . . . . 167 802.5 Sta te Informa tion Scree n . . . . . . . . . . . . . . . 170 802.5 DTR MA C Informatio n Menu . . . . . . . . . . . . . 172 ...

  • Cabletron Systems STS16-20D - page 11

    ix Notice 11. Getting in Touch with Technical Support 221 Problem Report Form . . . . . . . . . . . . . . . . . . . . . 222 Appendix A. Abbreviations 225 Appendix B. Cable and Pin Information 229 Conne cting to t he Out-of- Band Mana gement Port . . . . 229 Out-of- Band Mana gement Port a nd Cable P in-Outs . . . 229 Twisted-P air Cable P in Outs . ...

  • Cabletron Systems STS16-20D - page 12

    x Notice List of Figures Figure 1. SmartSt ack STS16- 20D Token Ring Switch . . . . . . . . . 1 Figure 2. Location of LEDs, Swi tches and Con nectors . . . . . . . . . 5 Figure 3 . The back panel of th e SmartStac k STS16- 20D . . . . . . . 9 Figure 4 . The back panel of th e SmartStac k STS16- 20R . . . . . . . 9 Figure 5 . Multiple Conversati ons ...

  • Cabletron Systems STS16-20D - page 13

    xi Notice List of T ables Table 1. Status LEDs an d their Mean ings . . . . . . . . . . . . . . . 7 Table 2. Stack-link LEDs and Their Me anings . . . . . . . . . . . . . 8 Table 3. Port LEDs and Their Meanings . . . . . . . . . . . . . . . . 8 Table 4. Back Panel C onnectors . . . . . . . . . . . . . . . . . . . . 9 Table 5. Capacity Spec ificatio ...

  • Cabletron Systems STS16-20D - page 14

    xii Notice ...

  • Cabletron Systems STS16-20D - page 15

    1 Introduction SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide 1. Intr oduct ion This chapter discusses switching technology and how the Smar tStack STS16-20D and/or Sma rtStack STS16-20R Tok en Ring Switch can be used to improve ne twork performance. This chapter also includes a list of features and specif ication ...

  • Cabletron Systems STS16-20D - page 16

    2 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Introduction Switching T echnology Demand for network ban dwidth continu es to gr ow, driven by the i ncreasing number of sys tems used in netw ork-intens ive applications. LAN segment ation has been the pr evalent meth od for addr essing these deman ds and has been f ...

  • Cabletron Systems STS16-20D - page 17

    3 Introduction SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide STS16-20 D/STS16 -20R t o be used as a switch of s witches wh ich provides m edia flexibility in an Token Ring configuratio n. The SmartStack STS16-20D/STS16-20R can easily connect with other SmartStack products t o deliv er a b road range of network ca ...

  • Cabletron Systems STS16-20D - page 18

    4 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Introduction network management statistics. Total network capacity and throughput increase dramatically for attached desktop workstations. Switch of Floor s and Buildings For network managers, multisto rey buildings and campuses can represent a unique networking chall ...

  • Cabletron Systems STS16-20D - page 19

    5 Introduction SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide Fr ont P anel Details The front p anel details o f the switches ar e illustrated in Figure 2 . This section lists all the connectors, contro ls, and LEDs of the f ront panel. Figure 2. Location of LEDs, Switc hes and Connector s The MAN A GEMENT P or t ...

  • Cabletron Systems STS16-20D - page 20

    6 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Introduction — a connection to a shared -media se gment via a T oken Ring con centrator , Station mode (on SmartS tack STS16-2 0D only via the netw ork ports 17 – 20) — a con nectio n to ano ther T o ken Ring switc h (on Sma rtSt ack STS16 -20D only via net work ...

  • Cabletron Systems STS16-20D - page 21

    7 Introduction SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide Lab els The two labels in the right side of the front panel ar e: • The MA C Address Label: The unique globally assigne d base Base MA C- Address of th e switch. • The Switch Number Labe l: Blank label for an individual user identification of the sw ...

  • Cabletron Systems STS16-20D - page 22

    8 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Introduction Table 2 lists the stack-link LEDs and their mean ings: Table 3 lists the port LEDs and their m eanings: LED State Meaning TX On or blin king Data is being transmitted to the stack li nk. RX On or blin king Data is being recei ved from the stack link. A TT ...

  • Cabletron Systems STS16-20D - page 23

    9 Introduction SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide Back P anel Details The back panel of the swi tches ar e illustrated in Figure 3. The back panel of the SmartStack STS16-20 D Figure 4. The back panel of the SmartStack STS16-20 R Table 4 lists th e back panel conn ectors on the switch. Name Description ...

  • Cabletron Systems STS16-20D - page 24

    10 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Introduction Features and Specifications This section lists important switch featur es as well as technical specifications. Features P erformance and Ad vanced Features • Three switch ing modes: — Low latenc y cut through — Store and corward — Auto (Adaptiv e ...

  • Cabletron Systems STS16-20D - page 25

    11 Introduction SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide — On Sm artStack ST S16-20R up to 256 Mbps for all t he port s 1 – 20, when usin g 8 por ts. • Adv anced filtering (MA C address / Prot ocol) • VLAN (V irtual LAN) support • Support for transmission prio rities • Congest ion control • SRB ...

  • Cabletron Systems STS16-20D - page 26

    12 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Introduction • SmartSt ack STS16 -20R: Opt ional Redundant Po wer Supply Six switches can rec ei ve backu p po wer from one SmartStack STS-RPC Redundant Po wer Center equipped with six SmartStack STS-PSU Redundant Po wer Supply Un its. Installation • No special c ...

  • Cabletron Systems STS16-20D - page 27

    13 Introduction SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide Specificatio ns The tables on the followin g pages list the product specifi cations for the SmartStack STS1 6-20D/ST S16-20R. Capaci ty T able 5. Cap acity Specifications Specif ication V alue Number of T oken Ring ports SmartStack STS16-20D: 16 w orks ...

  • Cabletron Systems STS16-20D - page 28

    14 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Introduction P erformance T able 6. P erf ormance Specificati ons Specificatio n V alue Maximum frame rate per port 57,000 pps in each direc t ion (measure d wi th a frame size of 19 b ytes) Maximum aggregat e frame rate per 4 ports 200,000 pps i n each direction. Fu ...

  • Cabletron Systems STS16-20D - page 29

    15 Introduction SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide Physical Characteri stics Specifica tion V alue Rac k moun t 19" rack moun t (hardw are included) 1.5 U Dimensio ns W idth: 19" (4 8.3 cm) Depth: 15 .74" (4 0.0 cm) Height 2. 59" (6.6 cm) We i g h t 15.9 l bs. (7.2 Kg) Pow er 100 to ...

  • Cabletron Systems STS16-20D - page 30

    16 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Introduction T able 7. Sp ecificat ions of Ph ysical Characte ristics ❏ Pr otocol com patibil ity T ransparent to higher la yer pr otocols Span ning T ree Proto col sup port (On Sma rtSta ck STS16- 20D only f or ports 17 to 20) IEEE 802.1D compliant IBM Spanni ng T ...

  • Cabletron Systems STS16-20D - page 31

    17 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 2. Switc h Over vie w The SmartStack STS16-20D/STS16- 20R is an IE EE 802.5-compliant dev i ce designed to boost t hroughput on To ken Ring net works. It operates as a Media Access Control (MAC)-lay er device t hat is pro tocol indepen dent. This cha ...

  • Cabletron Systems STS16-20D - page 32

    18 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w Multiple Sim ultaneous Con versatio ns A limitation of Token Ri ng is that it supports only one packet at a time. The SmartStack STS16-20D/ST S16-20R im proves dat a thr oughput by su pporti ng multiple, simu ltaneous, full-duplex conversations. By u ...

  • Cabletron Systems STS16-20D - page 33

    19 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide The increase in thr oughput is directly p roportion al to th e number of physical token- rings that ar e interconnected thro ugh the switch. A SmartStack STS16- 20D/ STS16-20 R with 2 0 ports intercon nected prov ides up to ten concur rent paths. Wit ...

  • Cabletron Systems STS16-20D - page 34

    20 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w Address Mana g ement At power up, the s ystem address tables d o not contain an y information. When ever a SmartStack STS16-20D/STS16-20R receives a p acket with an unknown source or destination ad dress, it learns the n ew s ource address and stores ...

  • Cabletron Systems STS16-20D - page 35

    21 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Mu ltiple Br idging Modes The Sm artStack STS16- 20D/STS16- 20R supports four differe nt swit ching mo des to provide maxim um flexibility in all installatio n environments. The switching modes are source ro ute switching (S RS), source ro ute bridg ...

  • Cabletron Systems STS16-20D - page 36

    22 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w The CRF communicates v ia a logical, virtual port with the bridge relay function, which functions as a multiport (virtual ) bridge between the logical rings. The SmartStack STS16-20D/ST S16-20R can supp ort up to 63 logical ri ngs. There are two l ev ...

  • Cabletron Systems STS16-20D - page 37

    23 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide • The bridge relay function has a single bridge number and multiple ring numbers ( one per logical ri ng) SRS is used between the ports of each logical ring. The bridge relay fu nction runs the IBM Spanning Tree Protocol to eliminate parallel paths ...

  • Cabletron Systems STS16-20D - page 38

    24 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w Filtering Filtering is important for a LAN switch. Filters can be used to reduce broadcast traffic, bl ock certain p rotocols and prov ide security func tions. The SmartStack STS16-20D/STS16-20 R provides filters for: • Destination or s ource MA C ...

  • Cabletron Systems STS16-20D - page 39

    25 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Three Switching Modes This section describes the th ree switching modes available on the switch. Cut-Through In this mode the switch starts forwarding the packet to the output port as so on as the destination addr es s or the s ource route of the inc ...

  • Cabletron Systems STS16-20D - page 40

    26 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w T oken Ring P ort Operation Mo des Each Token Ri ng port may opera te in one of the following modes : • Half-duplex concentrator port The port beha ves like an acti ve MA U port for classical T oken Ring. Connects to a single station in half-dup le ...

  • Cabletron Systems STS16-20D - page 41

    27 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide RI/R O-Like Connection on SmartStac k STS16-20R A UTP RI/RO connection is available on p orts 19 and 20 on the SmartStack STS1 6-20R Switch. This feature allows the SmartStack STS16 -20R to connect to CAU/LAM systems using the RI/RO connections thus ...

  • Cabletron Systems STS16-20D - page 42

    28 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w T ransmis sion Priori ty Queues To address the needs of delay-sen sitive data, such as multimedia, the Token Ring ports of the Smart Stack STS16-20 D/STS16-20 R have two transmit queues, a high- priority queue and a low-priority q ueue. The queue for ...

  • Cabletron Systems STS16-20D - page 43

    29 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Cr ossLink Connections Two or mor e Token-R ing ports can be confi gured to comprise a CrossLi nk. A CrossLink is a collect ion of identical parallel links between two switches or between a switch and an end node, agg regated to appear as one single ...

  • Cabletron Systems STS16-20D - page 44

    30 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w For det ails about Cross Link conf iguration, please refer to the sec tion “ CrossLi nk ” on page 110 in Chapt er 6, “ Sw itch C onfigurat ion ” . Spanning T ree Pr otocol Suppor t IBM initially supp orted only source route brid ging (SRB) in ...

  • Cabletron Systems STS16-20D - page 45

    31 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide VLAN Suppor t The virtual LAN (VLAN) co ncept creates a virtual switch within a physical switch or stack of s witches. A VLAN cons ists of CRFs and has its own b ridge rel ay function attached. Frame s are not forwarded acr os s VLANs and ring number ...

  • Cabletron Systems STS16-20D - page 46

    32 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w Dynamic Sour ce Route Recovery Dynamic Source Route Recovery (DSRR) is a pro prietary protocol th at enables a group of s witches to ha ndle a lin k or swi tch fai lure witho ut session lo ss. A basic redu ndant setup must have a minimum of two swi t ...

  • Cabletron Systems STS16-20D - page 47

    33 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Figure 9. Example of Dynamic Sour ce Route Reco very, Normal State If one of the swit ches (Figure 9 ) or its link to any of the To ken-Ring s fail, (one of) the remaining active swit ch(es) will after a short interval activate its backup path to tak ...

  • Cabletron Systems STS16-20D - page 48

    34 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w Figure 10 . Example o f Dynamic Sour ce Route Reco very, Switch 1 F ailed Note that since a separate link is required f o r forwarding traf fic wi th a given Route Descriptor, one switch can only carr y backup traffic for one failed switch at a time. ...

  • Cabletron Systems STS16-20D - page 49

    35 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Management This section describ es the management opti ons for the switch. SNMP The SmartS tack STS16 -20D/STS16- 20R can be managed vi a a SNMP manag er. The SmartS tack STS16 -20D/STS16- 20R supports t en Managemen t Information Bases (MIBs ). Six ...

  • Cabletron Systems STS16-20D - page 50

    36 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w Smar tStack Manager for Windows The SmartSw itch Manager is an applicatio n that runs under Windows. It provides an intuitive graphical user in terface (GUI) that displays a view of the switch fro nt panel and suppor ts configuration , performa nce m ...

  • Cabletron Systems STS16-20D - page 51

    37 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide RMON Suppo r t RMON is an indu stry-s tandard met hod for prov iding network stat istics mon i to ring using SNMP. It also collects fault, perfo r mance, and configuration s tat istics. It can monitor continuously , even when communication with the m ...

  • Cabletron Systems STS16-20D - page 52

    38 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w 9. Event Supported. 10. T oken-R ing Support ed: — The T oken-R ing Ri ng Statio n Gro up. Only sup ported as r ead . That is, only the entr i es created as def ault can be read. The ring station table is not supported. — The T oken-R ing Ri ng S ...

  • Cabletron Systems STS16-20D - page 53

    39 Switch Overvie w SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Built-in P or t Co unter s The SmartS tack STS16 -20D/STS16- 20R supports a wi de range of port count ers, which enables you to obtain a detailed overview of the port traffic. The counters give a comprehens ive overview in the ar eas of: • MA C Lay ...

  • Cabletron Systems STS16-20D - page 54

    40 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Overvie w stack must be equipped with a STS-LM Stacker Link Module and an appropriate stacker link cable. The SmartSta ck STS-8SU External Stacker Unit works as a common backp l ane swit ching fa bric, which provi des 2. 2 Gbps of a ggregate bandwidt h. ➽ No ...

  • Cabletron Systems STS16-20D - page 55

    41 Preparing for Installation SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide 3. Prepar ing f or Inst allat ion Before installin g the SmartStack STS16-20D/STS16-20R, read th is chapter carefully. Safe ty Rec ommendations Follow these guidelin es to ensure gener al safety during and after the instal lation: • K ...

  • Cabletron Systems STS16-20D - page 56

    42 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Preparing for Installatio n • Before working on th e system, unplug the power cord. T o a void the possibili ty of electrical shock, unplug the power cord fro m the outlet before detaching the power cord f rom the switch. • Disconn ect all po wer before doing the ...

  • Cabletron Systems STS16-20D - page 57

    43 Preparing for Installation SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Site Re quirements Following are the sit e requirements for installatio n. En vir onment Choose a clean, dust-free, preferably air-conditioned locatio n. Avoid direct sunlight, heat sources, or ar eas with high lev els of EMI (Electromag ...

  • Cabletron Systems STS16-20D - page 58

    44 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Preparing for Installatio n b . The cord must be UL listed, C SA labelled, and consist of th ree conductors with a maximu m of 15 feet in length. T ype S VT or SJT co rd sets shall be used for un its which stand on a d esk or table. T ype SJT cord s ets shall b e use ...

  • Cabletron Systems STS16-20D - page 59

    45 Preparing for Installation SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Configuration Guidelines This section will hel p you unders tand the phys ical configurati on restricti ons for the SmartStack STS1 6-20D/STS16-20R. Read the guidelines in the following sections before you start installing the switch. In ...

  • Cabletron Systems STS16-20D - page 60

    46 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Preparing for Installatio n You can also use the NET 18K dialog box in the HP OpenView application. This dialog can display all the hardware modules . Note that the SSIM-H2-02 Fast Ethernet - Translational Switch SmartStack Interface Module might display 1,500 bytes, ...

  • Cabletron Systems STS16-20D - page 61

    47 Preparing for Installation SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Rin g Num bers Forwardin g frames between CR Fs in SRB mode i s onl y poss ible if the CRFs know their ring nu mbers. If you a re running the swit ch in an env ironment without other bridges/s wi tches, auto-configurati on of ri ng numbe ...

  • Cabletron Systems STS16-20D - page 62

    48 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Preparing for Installatio n Sample Use s of the SmartStac k STS16-20RM F amil y Switches The Cabletron Systems SmartStack STS16-20D/STS16-2 0 R switches allow you to increase the perfo rmance of the network b y provi ding dedi cated bandwid t h to individual workst a ...

  • Cabletron Systems STS16-20D - page 63

    49 Preparing for Installation SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Figure 11. T ypical Netwo r k without the Smar tStack STS16-20D/ STS16-20R Figure 12. Rel ieving the Ov erstressed Bac kbone 1 SRB 2 SRB 3 SRB 7 SRB 8 SRB 9 SRB 4 6 SRB SRB 5 Server Server Server Server ...

  • Cabletron Systems STS16-20D - page 64

    50 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Preparing for Installatio n Figure 13. Re placing SRBs with a SmartStac k STS16-20 RM or SmartStack STS16-20R Figure 14. De livering Dedicated Band width to Individu al W orkstations 1 2 CRF 2 3 CRF 3 7 CRF 7 8 CRF 8 9 CRF 9 Server Switch CRF 5 Server Server Server 3 ...

  • Cabletron Systems STS16-20D - page 65

    51 Preparing for Installation SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Deploy ment Scenarios SmartStack STS16-20D/STS16-20R includes a built-in s tacker link. To create a stack of SmartStack STS16 -20x switches you can use any switch in this series as an interface point for the stack. To do this, you use ei ...

  • Cabletron Systems STS16-20D - page 66

    52 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Preparing for Installatio n Figure 15. Sc enario using a Stac ker Link and a Matrix Switc h Figure 16 on t he ne xt page sho ws a network design where Smart Stack STS 16-20D/ STS16-2 0R uses network ports to connect to a remot e SmartS tack STS16- 20RM switch. In man ...

  • Cabletron Systems STS16-20D - page 67

    53 Preparing for Installation SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Figure 16. Set ting Up CrossL inks ❏ ...

  • Cabletron Systems STS16-20D - page 68

    54 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Preparing for Installatio n ...

  • Cabletron Systems STS16-20D - page 69

    55 Installation SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 4. Installation This chapter contains step-by- step instructions for installing, co nnecting and verifying th at the S martStack STS 16-20D To ken Ring Switch and/o r the SmartStack STS16-20R Token Ring Sw itch is operat ing pr operly. Ins talla tion S u ...

  • Cabletron Systems STS16-20D - page 70

    56 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide I nstallation P ac ka ge Contents Immediately after receiving the equipment, examine all shipping cont ainers and contents for damage. If any damage has occur red, notify the s hipping ca rrier. Unpack the unit by remo ving the packing material and lifting it from it ...

  • Cabletron Systems STS16-20D - page 71

    57 Installation SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Materials needed f or Instal lation To install the swi tch, you need the following items: • If the unit will be installed in a rack, you need: — A rack in ventor y chart and a cabling chart fro m your netwo rk administrator . — The supplied set of ...

  • Cabletron Systems STS16-20D - page 72

    58 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide I nstallation Mounting the Chassis The SmartStack STS16-20D/STS 16-20R can be mounted in a standard 19-inch rack or cabinet, or can be mounted on any flat surface such as a tabletop. The installation area should be near a power source and s hould have enough room aro ...

  • Cabletron Systems STS16-20D - page 73

    59 Installation SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 2. Posit ion the S martStack STS 16-20D/STS16-2 0R, with the e xposed mount ing brackets, in t he rack or cabinet and slide it up or do wn until the bracket holes line up with the rack holes. Attach the chassis brack ets to the rack u sing the Allen scre ...

  • Cabletron Systems STS16-20D - page 74

    60 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide I nstallation Cabling ➽ Note: For infor mation on connec tors, b uttons, slo ts, and LEDs, p lease see “ Front Panel Details ” on pa ge 5 an d “ Back Panel Details ” on pa ge 9 in C hapter 1. This sec tion provi des instruct ions for connecting devices (suc ...

  • Cabletron Systems STS16-20D - page 75

    61 Installation SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide device at the oth er end, a uniqu e cable identification number, the MAC address of the conn ected device, and the n u mber of the port to which the cable is attached. 4. T o con tinue installing the swit ch, go to “ Ap plyi ng Power ” on page 63. Fi ...

  • Cabletron Systems STS16-20D - page 76

    62 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide I nstallation ➽ Note: Do not connect these cables to th e Ring-In or Ring-Out port on a med ia access unit (MA U), u nless you us e ports 19 and 2 0 on STS16-20R. 4. Connect the other end of the cable to a T oken Ring port on the switch. 5. Label this cab le. 6. If ...

  • Cabletron Systems STS16-20D - page 77

    63 Installation SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Applying P ower The SmartStack S TS16-20D/ STS16-20R chassis does not ha ve an on/off switch. Power is on when the unit i s plug ged into a power sourc e . There are no us er serviceable parts inside an SmartStack STS16-20 D/STS16-20R. Any internal up gr ...

  • Cabletron Systems STS16-20D - page 78

    64 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide I nstallation Figure 22. T he back pane l of the STS16-20R 4. V erify that th e po wer LED is o n. If not, make sure the outlet is working properly . If the outlet is working, but the power LED and the fans are not on, see Chapter 10, “ T roubles hooting ” . 5. W ...

  • Cabletron Systems STS16-20D - page 79

    65 Installation SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Stac ker Link Mo dule The SmartStack STS-LM Internal Stacker Unit which is factory installed in the SmartStack STS16-20D/STS16-20R switch is a single port interface mod ule that is installed into the back slot of th e Switch. When SmartStack STS16-20R M ...

  • Cabletron Systems STS16-20D - page 80

    66 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide I nstallation Smar tStack STS -LM Connectors and LEDs The followi ng tables describe the connectors and LEDs on the STS-LM fr ont panel. Connecting the Stac ker Link Cable When connecting two or more stacker link modules together to form a stack, you must use t he pr ...

  • Cabletron Systems STS16-20D - page 81

    67 Installation SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide W orking with a Stac k When the SmartStack STS16- 20D/STS16-2 0R switch powe rs up, it runs t hrough a series of diagnost ics. Immediately after the diagnostics are complete, the SmartStack STS16-20D/STS16-20R en ters the stack discov ery mode. The disco ...

  • Cabletron Systems STS16-20D - page 82

    68 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide I nstallation T able 12. Inter- bo x P arameter s Chec king the Installation The Smart Stack STS 16-20D/S TS16-20R performs a diag nostic s elf-test during the power on cycle. Fro m a management console, check that the switch lists the SmartStack STS-LM port along wi ...

  • Cabletron Systems STS16-20D - page 83

    69 Accessing Switch Management SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 5. Acce ssing Switch Management The switches can be configured in two w ays: 1. Using the switch console . Y ou can access th e switch console interf ace — directly , by connectin g a VT100 te rminal emulator to the R S -232 por t labell ...

  • Cabletron Systems STS16-20D - page 84

    70 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Accessing Switch Ma nagement Connecting the Console The two follo wing subs ections explai n how to conn ect to the switch cons ole. You can connect directly or via a modem. For detailed information on cabling and pins, see Chapter B, “ C able and P in Info rma tio ...

  • Cabletron Systems STS16-20D - page 85

    71 Accessing Switch Management SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 3. Use the values listed in the follo wing table to set the configuration parameters on your con s ole for i nterfacing to the SmartStack STS16-20D/STS16-20R. Specificatio n V alue Baud Rate 2400, 4800, 9600 , 19200, 38400, 5 7600 Parity N ...

  • Cabletron Systems STS16-20D - page 86

    72 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Accessing Switch Ma nagement 4. At po wer on (cold boot), t he Smart Stack STS1 6-20D/STS1 6-20R perfo rms a series of self-test di agnostics v erifying that hardware comp onents are functioning. An e xample of the self-test diagnostic screen is shown later in this c ...

  • Cabletron Systems STS16-20D - page 87

    73 Accessing Switch Management SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 5. If you still can not get the connection to work, contact a support person. Diagnostic Screen The diagn ostic self-t est dis pla ys two d iffer ent scr eens , depe nding on whet her yo u perform a cold boot (power-o n cycle with full dia ...

  • Cabletron Systems STS16-20D - page 88

    74 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Accessing Switch Ma nagement 20 29 - Initializing system address table - System entering stand-alone mode - Enabling port: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 22 22 23 24 Press RETURN key to activate console... Depending u pon which tests hav e run, verif ...

  • Cabletron Systems STS16-20D - page 89

    75 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 6. Switc h Configuration This chapter explains how to set up the S martStack STS16-20D/STS16-20R and to modify the con figuration using a V T100 console attached to the switch directly or via a modem conn ection. The s witch configuration can als ...

  • Cabletron Systems STS16-20D - page 90

    76 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Genera l Gu ideline s To work within the console menus and screens, follo w these guidelines: • T o select an item on a screen or a menu, highlight it by using the arro w ke ys and then pr ess ENT ER . If you need to sp ecify additional infor ...

  • Cabletron Systems STS16-20D - page 91

    77 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide If no password is configured, just press ENTE R and the main menu is presented. T o establish a pas sword, see t he section "P assword Menu" on page 130 later in this chapter . T o open the Pass word menu, select Conf igurat ion → → ...

  • Cabletron Systems STS16-20D - page 92

    78 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Main Menu The main menu contains the following items, that give access to con sole screens and submen us: Configuration... Displays the Configuration menu, which enables you to view an d set the SmartStack STS16-20D/ST S16-20R conf iguration par ...

  • Cabletron Systems STS16-20D - page 93

    79 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Configu ration Menu Open this menu by selecting Configuration in the main menu. From the Configurat ion menu y ou can view and set the swit ch configurat ion paramete rs. This chapter describes all s ubmenus and screens. ...

  • Cabletron Systems STS16-20D - page 94

    80 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Switch Configuration Screen To open this screen fro m the main menu, select Configuration → → → → Switch Configura tion . .. . Use the Swit ch Conf igurat ion screen to view s y stem inf ormation and to view or change the system n ame, l ...

  • Cabletron Systems STS16-20D - page 95

    81 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Flash Memor y Installed Amount (in KB) of flash m emory installed. In formation in this field canno t be changed. Burn ed- in M A C Addr ess The factory- assigned base MA C address of the SmartStack STS16-20D/STS16- 20R. In formation in this fie ...

  • Cabletron Systems STS16-20D - page 96

    82 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n or preferred VLAN ’ s, i mpl ying that 63 MAC addresses need t o be re served for BRF. Summarizing each SmartStack STS16-20D/STS16-20R reser ve: Switch Base Address + 31 A ddres ses for To ken Ring ports + 63 MAC Address es for BRF s = 95, whi ...

  • Cabletron Systems STS16-20D - page 97

    83 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Syst em Con tac t Any t ext s tring of max. 64 characters that y ou have assigned for the switch. Time of Day An internal clock is used to calculate total tim e of operation and time of day. To adjust the time, select this item , press RE TURN , ...

  • Cabletron Systems STS16-20D - page 98

    84 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Remote Box Number(s) Number of switches ( in addition to this one) in the stack. Display only. Stack Time-out If a switch goes off line, the leng th of time (in seconds) during which the stack tries to reestablish co mmunication with the switch. ...

  • Cabletron Systems STS16-20D - page 99

    85 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide is listed as module 2. Status Wh ether t he mo dule is up, down, failed, or the slot i s empt y. Model Type of mod ule. The switch is listed for the base switch. For this module as well as for ot hers, th is field di splays t he product nu mber. ...

  • Cabletron Systems STS16-20D - page 100

    86 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n VLAN Configuration The Virtual LAN feature can be used to partition a SmartStack STS16-20D/STS16- 20R or a st ack of switches into several Virtual LANs , each containing its own set of ports (the te rms Virtual LAN and doma in are interchangeabl ...

  • Cabletron Systems STS16-20D - page 101

    87 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide • IP . Y ou may gi ve each do main an IP address, s ubnet mask, and gate way address def inition. • Addr ess filter s. Domains ha ve no ef fect on address f ilters. For e xample, suppos e you creat e two d omains: one contai ning p orts 1 – ...

  • Cabletron Systems STS16-20D - page 102

    88 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n VLAN Configuration Screen To open this screen fro m the main menu, select Configuration → → → → VLAN Configura tion → → → → VLAN Configuration . Use the this screen to define BRFs and C RFs for the switch. BRF/CRF ASCII name as s ...

  • Cabletron Systems STS16-20D - page 103

    89 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide View ... Zooms in a VLAN. Add... Prompts for a new ID and brings up the VLAN Parameter Configuration screen. Chan ge .. . Prompts for a n u meric ID of a B RF or C RF to change and brin gs up t he VLAN Parameter Con figuration screen. Delete Lets ...

  • Cabletron Systems STS16-20D - page 104

    90 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n VLAN ID Numeric ID o f the CRF. Possib l e val ues are 2 through 1005. Va lues 1002 through 1005 and 1 are reserved f or the default CRFs and BR Fs. VLAN Name ASCII name associated with the CR F. Up to 32 characters are allowed. The name must be ...

  • Cabletron Systems STS16-20D - page 105

    91 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide For each CRF of translation al links connected to the same logi cal Ethernet segment, a connection attribute mu st be assigned: • Primary connection — for a main connection to the Ether net Cloud (def ault v alue for each CRF). This connectio ...

  • Cabletron Systems STS16-20D - page 106

    92 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n 1005 and 1 are reserved f or the default BRFs and CR Fs. These values cannot be changed. VLAN Name ASCII name associated with the BRF. Up t o 32 characters are allowed. The name must be uniqu e. Neither BRFs nor CRFs can have identical names. St ...

  • Cabletron Systems STS16-20D - page 107

    93 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide VLAN P or t Configuration To open this screen from the main men u, select Configuration → → → → VLAN Configura tion → → → → VLAN Port Configura tion . This screen is used to view and edit current port assignments to CRFs. Po r t T ...

  • Cabletron Systems STS16-20D - page 108

    94 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n IP Configuratio n Screen To open this screen fro m the main menu, select Configuration → → → → IP Configura tion. Then select the BRF to display the scr een. This screen is use d to view or change IP inf ormation associated with a BRF, s ...

  • Cabletron Systems STS16-20D - page 109

    95 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide default for the clas s of the IP address. If a subnet mask is speci fied, it will be used as a net mask. Default: 0 .0.0.0 IP Sta te Display the follo wing choi ces by highligh ting IP State and pr essing ENTER : • IP Disabled • BootP When Ne ...

  • Cabletron Systems STS16-20D - page 110

    96 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n BootP Reque sts an d P arame te rs When using Bo otP to determine its IP ad dress, the SmartStack STS1 6-20D/STS16- 20R repeats BootP requests at regu lar intervals, beginning at one second each and eventually decreasing to every five minutes ov ...

  • Cabletron Systems STS16-20D - page 111

    97 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide SNMP Configuration Menu The next menu item in the Configuration menu is SNMP Config uration.. . This item open s a menu that is explained in Chap t er 8, “ Monitoring the Network with S NMP ” . The next section des cribes the spannin g tree p ...

  • Cabletron Systems STS16-20D - page 112

    98 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n If two ports to the root have the same path cos t, the STP device selects the one with the highest priority (lo west value), an arbitrary v al ue that you as sign. To block traffic on a particular segment, assi gn it low port priority (high valu ...

  • Cabletron Systems STS16-20D - page 113

    99 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Spanning T ree f or BRF Screen To open this screen from the main men u , do the following: 1. Select Conf i guration → → → → Spanning T r ee . A list containing a vailable BRF VLANs appears. 2. Choose a BRF from the list. The Spanning T r ...

  • Cabletron Systems STS16-20D - page 114

    100 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n ➽ Note! When usin g multiport source route bridging, the int ernal link to the CRF with the lo west ring number will be forwarding. The other links will be blocking. This is because all the oth er parameters hav e the same v alue. This m eans ...

  • Cabletron Systems STS16-20D - page 115

    101 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Default: 2 0 Brid g e F orwar d Dela y (in Secon ds) Enter the time the BRF spanning tr ee entity waits between transitions from listening to learning, and from learning to forward ing. The min imum may not be less than the larger of 4 or (( Swi ...

  • Cabletron Systems STS16-20D - page 116

    102 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n STP Mode (BRF-to-CRF) Determines the mode of the i nternal port from this CRF to th e parent BRF . Possible valu es are auto , f orwar ding , bloc ked . If set to aut o , the forwarding/blo cking state of the internal link will be determined by ...

  • Cabletron Systems STS16-20D - page 117

    103 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Hello Time (in Sec onds) The time this C RF spanning tree instance w a its before sending the ne xt Hello BPDU message when this entity is the roo t in STP . The def ault is 2. The minimum value is 1. The maximum value is the lower of 10 ...

  • Cabletron Systems STS16-20D - page 118

    104 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n P ort Spanning T ree P arameters Screen To open t his screen do the following: 1. Startin g from th e main menu, select Conf igu ratio n → → → → Spanning T ree . A list containing available BRF VLANs a ppears. 2 . Choose a BRF to open t ...

  • Cabletron Systems STS16-20D - page 119

    105 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide ➽ Note: For Smart Stack STS16- 20D n/a will be displayed for port s 1 to 16 as the y do not supp ort spanning tree p rotocol. Pa th C o s t Cost associated with the port. T he spanning tree pro tocol uses port p ath costs to determine which po ...

  • Cabletron Systems STS16-20D - page 120

    106 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n P or t Configur ation Scr een To open this screen do the following: 1. Startin g from th e main menu, select Configuration → → → → P ort Configuration . 2. Y ou will b e prompted for a port number . When you ha ve entered the port numbe ...

  • Cabletron Systems STS16-20D - page 121

    107 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Enabl ed Shows the administrative state of this port. Possible values are Yes (enabl ed) or No (disabled) . The default value is Ye s . Status This field is for informatio nal purposes only, and shows if the port is curren tly inserted into the ...

  • Cabletron Systems STS16-20D - page 122

    108 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n For c e A C Bits on SR Frames This field specifies if AC bits will be set unconditional ly when a port forwards certain LLC frames. Pos sible values are Yes and No ( default). BRF MTU (actual) Display only. The MTU the B RF uses at the moment. ...

  • Cabletron Systems STS16-20D - page 123

    109 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Medi a Speed The Token-Ring media speed. Poss ibilities are 4 or 16 Mbps or Auto . When a switch port configured with Auto discovers a connection to shared media, it will open and insert into the ring. If the open returns with an indication, tha ...

  • Cabletron Systems STS16-20D - page 124

    110 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Switc hed P or t Analyzer Men u fr om the Configuration Menu The Switched Port Analyzer s creen is accessed from the Configu ration menu. This screen and its submenu s are pr es ented in Chap ter 9, “ Moni torin g Po rt Tr affi c ” . Cr oss ...

  • Cabletron Systems STS16-20D - page 125

    111 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide • Stat istics r e porti ng. Statistics for th e CrossLink are displayed for individual ports, not for t he Cros sLink as a whole. Station add resses are distrib uted among the po rts in the CrossLink. See C hapter 7, “ Monitoring the Network ...

  • Cabletron Systems STS16-20D - page 126

    112 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Cr os sLink Me n u To open this menu from the main menu, select Conf iguration → → → → CrossLin k. Use the CrossLink menu to access the CrossLink C onfiguration and Info rmation screens. ...

  • Cabletron Systems STS16-20D - page 127

    113 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Cr ossLink Configuration Screen To open this scr een from the main menu, select Configuration → → → → Cross Link → → → → Cros sLink Configura tion . Use this screen to add , delete, and change CrossLin ks. A description o f creat ...

  • Cabletron Systems STS16-20D - page 128

    114 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Clear T able Deletes all Cro ssLinks. Setting up a CrossLink To add a CrossLink between two SmartStack STS16-20RM family switches, determine which ports to use for th e C rossLink. Use at least 2 ports, on S martStack STS16-2 0D no more than fo ...

  • Cabletron Systems STS16-20D - page 129

    115 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Current Cr ossLink Inf ormation Screen To open this scr een from the main menu, select Configuration → → → → Cross Link → → → → Current CrossLink Information . .. . Use this screen to disp lay the status of the CrossLin k. Cr oss ...

  • Cabletron Systems STS16-20D - page 130

    116 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Addre ss Filteri ng The Address Filterin g feature enables you to restrict certain users from communicati ng with oth er users. To d o this, you can sp ecify source and d estination MAC-laye r Token Ri ng addr esses to be filter ed. The advanta ...

  • Cabletron Systems STS16-20D - page 131

    117 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide ➽ Note: T o restrict access from one s egment to an entire segment — not just an address — s ee the “ VLAN Conf iguration ” sectio n in this chapter . The following address filtering menus are used to set up address filtering. Addition ...

  • Cabletron Systems STS16-20D - page 132

    118 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Pr otocol Filter s... Displays the Protocol Filters men u . Configur e Filters Scre en To open this screen from the main menu, select C onfigu ration → → → → Filters & Port Sec urit y . Then select Configure Filters . Wh en th e Add ...

  • Cabletron Systems STS16-20D - page 133

    119 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide — Any p acket with the sp ecif ied destination addr ess is pre vented from entering th e switch through t he specif ied port(s). • Allow an y packet with source addres s — Allow Src — If a packet is recei ved with a specified source addr ...

  • Cabletron Systems STS16-20D - page 134

    120 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Configure P or t Security Mode Screen This func tion di sables addres s learni ng of so urce and/or destinat ion addresses at specified ports on an SmartStack STS16 -20D/STS16-20R. Por t security totally blocks (secures) thes e ports. Port secu ...

  • Cabletron Systems STS16-20D - page 135

    121 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide View P or t Filter s Screen To open this screen , do the following: 1. From the main menu, select Configuration → → → → Filters & P ort Security . 2. Select V iew Port Filters ... 3. Y ou will be pr ompted for a port number . Enter a ...

  • Cabletron Systems STS16-20D - page 136

    122 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n • T raff i c to this address will be forced to ports (as s pecif ied ) Return Return to the main m enu. More Displays addition al entries in the filter table if the table contains multiple pages. P o r t (num be r) Se curi ty M ode The type o ...

  • Cabletron Systems STS16-20D - page 137

    123 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Pr otocol C lass Assignment... Selecting this item will open the Prot ocol Class Assi gnment screen . P or t Filtering Att rib ut es... Selecting this item will open the Port Filterin g Attributes screen. Protocol Class Assignment Screen To open ...

  • Cabletron Systems STS16-20D - page 138

    124 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n (in its 4-digit he xadecimal format) for each of the classes 1 through 8. Y ou cannot specify an Ethertype f o r protocol class es 9 through 1 5. DSAPs List of the DSAPs t hat you wan t to f ilter . Y ou can specify up to 16 DSAPs (in their hex ...

  • Cabletron Systems STS16-20D - page 139

    125 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide • None - Allow all frames in this protocol class (default value). SR T The SRT field may have th e following v al ues: • Ye s - Allow transparent bridging for frames in this protocol cl ass (default v al ue). • No - Disallo w transparent b ...

  • Cabletron Systems STS16-20D - page 140

    126 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Address Aging You can set the per-port aging value u sing the Address Aging menu. The following describes t he types of address aging. There are two types of aging: • Port aging — Any addr es s in a port's address t able that has n o t ...

  • Cabletron Systems STS16-20D - page 141

    127 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Ad dress Aging Men u To open this men u from the main menu, sel ect Configuration → → → → Address Ag ing. The screens opened from this men u are described in the following sections. P ort Address T ab le Agi ng Scr een To open this menu ...

  • Cabletron Systems STS16-20D - page 142

    128 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Po r t The port to which you want to assign an aging time. Aging Time (min.) A valid port aging time asso ciated with the port. Addresses will be discarded after reaching the set time limit. The default setting for this parameter is 5 minutes. ...

  • Cabletron Systems STS16-20D - page 143

    129 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Master Address T a ble Aging Screen Master Address Table Aging is the aging v alue of a set time, in minutes, and a set percentage level after which unused addr es ses are rem oved from its table. ➽ Not e: If a port address table does not hold ...

  • Cabletron Systems STS16-20D - page 144

    130 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Pa s s w o rd M e n u To open this menu from the main menu, select Configura tion → → → → Pas swo rd . There are two types of user righ ts, Read/Write an d Read -Onl y . Read/Write us ers have full acces s. Read-Only users will not be a ...

  • Cabletron Systems STS16-20D - page 145

    131 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide The password is saved across warm boots and power cyc l es. ➽ Note: If you ha ve forgotten the password, you can delete it b y depressing the unlabeled system request b utton on th e front panel of the switch for one second, releasing it, then ...

  • Cabletron Systems STS16-20D - page 146

    132 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Cons ole/T elnet Ses sions The following section descr ibes how to establish a console or Telnet session . Console Configurat ion Menu This menu l ists it ems for configuring cons ole and Te lnet sess ions. The Serial Link Configura tion (conso ...

  • Cabletron Systems STS16-20D - page 147

    133 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Serial Link Configuration Screen Use the Serial Link Configu ration screen to configure a SmartStack STS16 -20D / STS16-20R wh en using a modem to create a console session. To open this screen from the main men u, select Configuration → → ? ...

  • Cabletron Systems STS16-20D - page 148

    134 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n 1200, 2400 , 4800, 9600, 1920 0, 38400, 57600, o r Autobaud. The d efault valu e for this parameter is 9600. Make sure that your terminal emulator baud rate matches the console baud rate y ou set. Creating a Console S ession Using a Modem Use t ...

  • Cabletron Systems STS16-20D - page 149

    135 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide T elnet Configuration Screen To open this screen from the main men u, select Configuration → → → → Cons ole Configura tion. Then select Telnet Configuration... Return t o Previous Menu Returns t o the Console Configuration menu. Number o ...

  • Cabletron Systems STS16-20D - page 150

    136 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n T e lnet Sess ions Scre en To open this screen, do the following: 1. From th e main menu, select Configuration → → → → Console Configuration . Then select T elnet Configuration... 2. On the T elnet Configuration screen, select T elnet S ...

  • Cabletron Systems STS16-20D - page 151

    137 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Starting the T elnet Se ssion Observe the following when s tarting a Telnet ses sion to the SmartStack STS16- 20D/STS1 6-20R: • In the IP I nf ormati on screen, the IP Sta te must not b e set to IP-Disabled . An y other v alue will do for the ...

  • Cabletron Systems STS16-20D - page 152

    138 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n ➽ Note: If you are in a T eln et session and change th e IP parameters either in the IP Information Session screen or V irtual LAN IP Configu ration screen, and s a ve the changes using the Exit command from the screen, you will lose the conn ...

  • Cabletron Systems STS16-20D - page 153

    139 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Syslog Daemon Screen To open this menu f r om the main menu, select Conf igurat ion → → → → Syslog . The syslog facility is u sed to send messag es to a central place in your network where messages can b e logged. Any m essage that is en ...

  • Cabletron Systems STS16-20D - page 154

    140 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Change Entry Modifies an existin g entry. Zoom Displays more info rmation. ...

  • Cabletron Systems STS16-20D - page 155

    141 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide DSRR Configur ation Dynamic Source Ro ute Recovery enables a set of switches performing s ource route bridging b etween the sa me legacy To ken-Ring and emulated Token-Ring (or th e same pair of legacy Token-R i ngs) t o handle link or switch fa ...

  • Cabletron Systems STS16-20D - page 156

    142 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n • The traced por t and the back up for the traced port must connect to th e same legacy or em ulat ed T o ken-Ri ng. • The ports belong i ng to a DSRR group must be conn ected to the same rings as the correspon ding ports of a DSRR g roup w ...

  • Cabletron Systems STS16-20D - page 157

    143 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide DSRR Group Configuration S c reen ➽ Not e! Before entering the DSRR Gr oup Co nf i guration menu, the VLAN confi guration must be def ined. Open the men u from t he main menu by selecting Co nfiguration → → → → DSRR Group Configurat io ...

  • Cabletron Systems STS16-20D - page 158

    144 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n State Shows t he actual st ate of t he display ed DSRR gro up. View and Change Select View or Ch ange to view or edit a group. You wi l l be prompt ed for the Index (Ix) of t he group. Th e DSRR Configurat ion screen will appear. Add Select Add ...

  • Cabletron Systems STS16-20D - page 159

    145 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide inactive Disabled stop Transient state du ring enable/disable idl e Both primary and traced port down gr oupPo rtDow n Primary por t down tracedPortDown Traced port down active Operational stopO nErro r Err or condition. Check the Message Log. T ...

  • Cabletron Systems STS16-20D - page 160

    146 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n AT M A d d r e s s This is the ATM address that identif ies the Lan Emulation Client implementing the Virtual ATM Traced Port ( when applicable). You cannot chang e the value of this parameter. Return Saves the chan ges made on the screen and r ...

  • Cabletron Systems STS16-20D - page 161

    147 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Download/Upload Menu As enhancements are made to the switch, you may need to up date the software that is contained in the switch. Or you may wish to save the configuration, that is, upload the config uration files. The fi les may be needed if t ...

  • Cabletron Systems STS16-20D - page 162

    148 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n from 4.0.0 to 3 .11.0, the configuration will be deleted. It is recommended that you save the confi guration before upgr ading the software. T o open the Download/Upload menu, select Download/Upload in the main menu. Serial Link Do wnload Scree ...

  • Cabletron Systems STS16-20D - page 163

    149 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Use the following s teps to update the switch sof tware: 1. Use a term i nal emul ation pro g ram, w hich su pports the X-modem p rotocol. 2. Insert the upgr ade disk in your terminal emu lator dri ve. 3. If you h ave not already done so , start ...

  • Cabletron Systems STS16-20D - page 164

    150 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n TFTP Download/ U pload Screen Open this screen fro m the main menu by s electing Download/Upl oad → → → → TFTP Download/Upload ... The following is an example o f the TFTP Download/Upload screen. Note that this screen may con tain addit ...

  • Cabletron Systems STS16-20D - page 165

    151 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide ➽ Note! W hen upgradi ng the boot code, append t he str i ng *boo t t o the filename when entering the filename. F or example, to do wnload the 2.3 bootcode to the switch, type the following: main image download filename: STS_2 30.bt*boot Exec ...

  • Cabletron Systems STS16-20D - page 166

    152 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n Reset Screen To open this screen, select Reset... in the main menu. This screen displays the reset options available with th e switch. Number of Resets Since Diagnostic s Number of ti mes the switch ha s been reset s ince the swit ch was powere ...

  • Cabletron Systems STS16-20D - page 167

    153 Switch Configuration SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Rese t P or t Address T able Selecting this command clears all address table entries for a specified port (u ser is queried for which port to reset), sets por t traffic counters to zero, and sets Time Sinc e Last Reset for this port to zero. Cle ...

  • Cabletron Systems STS16-20D - page 168

    154 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Switch Configuratio n ...

  • Cabletron Systems STS16-20D - page 169

    155 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide 7. Monitoring the Netw ork fr om the Console Statistics Men u This chapter explains how to m onitor t he SmartS tack STS16- 20D/STS16-20R through a directly con nected VT100 console or through a VT1 00 telne ...

  • Cabletron Systems STS16-20D - page 170

    156 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Statist ics Men u To open the Statis tics menu, select Statistics... in th e main menu. For information on how to us e the console interf ace, see “ General Guidelines ” on page 76 an d “ Navigating wi ...

  • Cabletron Systems STS16-20D - page 171

    157 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Switc h Statist ics Screen To open this screen from the main men u, select St atistics → → → → Switch Statistics . The Switch Statistics screen shows statistics and inf ormation about stations connec ...

  • Cabletron Systems STS16-20D - page 172

    158 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Error Frames R eceived Number of fram es received ( by the CPU) that were corrupted or have CRC errors. Frames Lost Number of fram es dropped (by the CPU) due to exceeding the capacity o f the software b uff ...

  • Cabletron Systems STS16-20D - page 173

    159 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide P ower Suppl y In f orm ation Screen To open this screen from the main men u, select St atistics → → → → Power Supply Informat ion . This screen displays information about any installed internal or e ...

  • Cabletron Systems STS16-20D - page 174

    160 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu P ort Status Scre en To open this screen fro m the main menu, select Statistics → → → → Port Status. The Port Status screen pro v ides a summary of the status of all Token Ring ports. Po r t The port ...

  • Cabletron Systems STS16-20D - page 175

    161 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Oper Mode The port operation mod e. Possible values are: • HDX port — Half-duplex mode in which only a dedicated connection to a station is supported. The Tx/Rx pinouts are the same as a concentrator ’ ...

  • Cabletron Systems STS16-20D - page 176

    162 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu P ort Statis tics Men u To open this screen fro m the main menu, select Statistics → → → → Port Status. The Port Statistics menu p rovides access to statistical information for any particular port. T ...

  • Cabletron Systems STS16-20D - page 177

    163 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide General Statistics Screen To open this screen , do the following: 1. Starting from th e main menu, select Statistics → → → → Po rt Statistics. 2. Enter a p ort number . 3. Select General Statis tics ...

  • Cabletron Systems STS16-20D - page 178

    164 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu MA C Frames Forwarde d Number of MAC layer fram es forwar ded by the port. Note that MAC frames are not forwar ded to other port s, only to the CPU. Frames Processed Number of fram es received on th i s port ...

  • Cabletron Systems STS16-20D - page 179

    165 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Address Ch ain Overflows Number of address table chai n overflows. An overflow will result in an add ress being deleted from t he addres s table, which means a decr eas e in perf ormance. Address T able Over ...

  • Cabletron Systems STS16-20D - page 180

    166 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Ring Num ber Mismatch Indicates the number of ti mes that an incom ing frame did not co rrectly include the port ’ s ring number. That is, the ring number of the port must be the last, if it is an explorer ...

  • Cabletron Systems STS16-20D - page 181

    167 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide 802.5 Stat is tic s Scre en To open this screen , do the following: 1. Starting from th e main menu, select Statistics → → → → Po rt Statistics. 2. Enter a p ort number . Select 802.5 S tatistics ... ...

  • Cabletron Systems STS16-20D - page 182

    168 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu the destination addr ess and copied the fram e, and then recei ves ano ther SMP frame in which both the ad dress recognized bi t and the fra me copied bit are set to 0 without fir s t recei ving an AMP frame ...

  • Cabletron Systems STS16-20D - page 183

    169 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide T ransmi t Beacons The number of tim es this port has transmitted a beaco n frame. Recoveries The number of Clai m Token MAC frames received or transmitted after the p ort has received a Ring Purge MAC frame ...

  • Cabletron Systems STS16-20D - page 184

    170 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu 802.5 St ate Inf ormati on Scr een To open this screen, do the following: 1. Startin g from th e main menu, select Sta tistics → → → → Port Statistics. 2. Enter a port number . Select 802.5 Stat e In ...

  • Cabletron Systems STS16-20D - page 185

    171 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide attempt to enter the ring. Possible values are: No Open , Lobe Fa iled , Signal Loss , Inser tion Ti meout , Ring Failed , Beaconi ng , Dupli cate M AC Add ress , Request Failed , Remove Received , Open . Ri ...

  • Cabletron Systems STS16-20D - page 186

    172 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu 802.5 DTR MA C Information Menu To open this screen, do the following: 1. Startin g from th e main menu, select Sta tistics → → → → Port Statistics. 2. Enter a port number . 3. Select 802.5 DTR M A C ...

  • Cabletron Systems STS16-20D - page 187

    173 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide TXI Inf ormation Sc reen To open this screen , do the following: 1. Starting from th e main menu, select Statistics → → → → Po rt Statistics. 2. Enter a p ort number . 3. Select 802.5 DTR MA C Inf or ...

  • Cabletron Systems STS16-20D - page 188

    174 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Initialize Statio n MAC frame. Valid range is from 0x00000000 to 0xFFFF FFFF. Join State This field displays the present state of the J o in FSM. Poss ible values are Not Specified , Bypass , Reg istration , ...

  • Cabletron Systems STS16-20D - page 189

    175 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Station-CP or t Inf ormation Screen To open this screen , do the following: 1. Starting from th e main menu, select Statistics → → → → Po rt Statistics. 2. Enter a p ort number . 3. Select 802.5 DTR ...

  • Cabletron Systems STS16-20D - page 190

    176 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu It indicates the value o f the SPV(PD) variable and the value of the Phan t om subvector X'0C' used in the Regist ration Request MAC frame. This field will always disp lay Ph Drv+Wire Fault for Pha ...

  • Cabletron Systems STS16-20D - page 191

    177 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Address T ab les Men u To open this menu f r om the main menu, select Statistics → → → → Address Tables. Use this menu to sel ect which address t able stat istics you want to view. The following page ...

  • Cabletron Systems STS16-20D - page 192

    178 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Master Addres s Table Screen To open this menu from the main menu, select Stati stic s → → → → Address Tables → → → → Master Addres s Table. This screen contains MAC address es of all the por ...

  • Cabletron Systems STS16-20D - page 193

    179 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide • Kno wn-<port type> Port <nn> — A kno wn address on port nn. Th e port num ber “ nn ” can be fo llowed by SRT which mean s that the address is kno wn as source of frames that shall be sw ...

  • Cabletron Systems STS16-20D - page 194

    180 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu — Present on all p orts. • Broadcast — One of the tok en-ring broadcast addresse s. — Present on all p orts. • STP Port <nn > — The MA C Address of port nn Po r t s The ports whose address ...

  • Cabletron Systems STS16-20D - page 195

    181 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Rou te (h e x) The route d escriptor t riplet: My ring number. Bridge Number.D istant ri ng. This field will always have th e format ###.# .### (displayed in hexadecimal). R ing numbers are in the ran ge 001 ...

  • Cabletron Systems STS16-20D - page 196

    182 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu VLAN Address Table Screen To open this menu, do the following: 1. From th e main menu, select Sta tistics → → → → Address T ables. 2. Select VL AN Ad dr ess T able . 3. Select a CRF , when prompted. ...

  • Cabletron Systems STS16-20D - page 197

    183 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide VLAN Route Descriptor T able Screen To open this menu, do the following: 1. From the main menu, select Sta tistics → → → → Address T ables. 2. Select VLAN Route Descriptor T able . 3. Select a CRF , ...

  • Cabletron Systems STS16-20D - page 198

    184 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Locate MAC Address Screen To open this menu, do the following: 1. From th e main menu, select Sta tistics → → → → Address T ables. Select Locate MAC Address . Enter a MA C address. The switch softwar ...

  • Cabletron Systems STS16-20D - page 199

    185 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Current Spanning T ree Inf ormation Screen To open this screen from the main men u, select St atistics → → → → Current Spanning Tree Information. Use the Current Spanning Tree Information screens to ...

  • Cabletron Systems STS16-20D - page 200

    186 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Hello Time Time (in s econds) tha t t he root waits bet ween sending configuration mess ages. This time is advertised by the root and used by all devices an d switches in the active topology of the spanning ...

  • Cabletron Systems STS16-20D - page 201

    187 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide • A CRF that does no t connect to ot her switc hes or bridges is al ways forward i ng. • When the switch is booted, all CRFs are blocked initi ally , and then some of them change to a d if ferent state: ...

  • Cabletron Systems STS16-20D - page 202

    188 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Current Spanning T ree Information f or a CRF Screen To open this screen, do the following: 1. From th e main menu, select Sta tistics → → → → Curr ent Spanning T ree Inf ormation. 2. Selec t CRF-Spa ...

  • Cabletron Systems STS16-20D - page 203

    189 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Hello Time Time (in s econds) t hat the ro ot waits between s ending configurati on messag es. This time is advertised by the root and u sed by all devices and s witches in the active topology of the spannin ...

  • Cabletron Systems STS16-20D - page 204

    190 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Dsg SwId/BrId ( Designated Bridg e ID) A unique bridge i dentifier of the bridge t hat is assumed to be the device through which this port has determined i t must communicate with the root of the spanning tr ...

  • Cabletron Systems STS16-20D - page 205

    191 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide VLAN Statistics If you select VLAN Statis tics, y ou will be prompted for a VLAN t ype. On se lection of the VLAN type, a screen will be displayed listing available VLANs an d prompting for a selection. Foll ...

  • Cabletron Systems STS16-20D - page 206

    192 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Po r t s List of ports that belong to this CRF. VLAN Statistics for BRF Screen To open the VLAN Statistics screen for BRF, do the following: 1. From th e main menu, select Sta tistics → → → → VLAN St ...

  • Cabletron Systems STS16-20D - page 207

    193 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide DSRR Status Screens You access the DSRR related status screens by selecting by selecting Stati stics → → → → DSRR Status . This section contains information on the specific screens. DSRR Stat us T ab ...

  • Cabletron Systems STS16-20D - page 208

    194 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu DSRR Neighbor T able S creen Open this screen fro m the main menu by s electing Statistics → → → → DSRR Status . Then select View Neighbor . You wil l be pro mpted for the Ind ex (Ix) value of the gr ...

  • Cabletron Systems STS16-20D - page 209

    195 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide DSRR Acting as Bac k up T able S creen Open this men u from th e main menu by selecti ng Stat ist ics → → → → DSRR Status . Then select View Backup . You will be pr ompted for t he Index (Ix ) value ...

  • Cabletron Systems STS16-20D - page 210

    196 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Diag nostic T est Results Screen To open this screen fro m the main menu, select Statistics → → → → Diagnostic Test Results. ( If a prompt appears , enter th e box number you want to view ). The Diag ...

  • Cabletron Systems STS16-20D - page 211

    197 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Message Log Inf ormation Screen To open this screen from the main men u, select St atistics → → → → Messag e Log Informat ion. The data on this screen is us eful to t echnical experts in solving c om ...

  • Cabletron Systems STS16-20D - page 212

    198 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu Back Shows the previou s screen (if any). Start/End Move to the f irst or la st page. Clear Clear all messages. ...

  • Cabletron Systems STS16-20D - page 213

    199 Monitoring the Network f rom the Console Statistics Menu SmartStack STS16-20D/STS16-20R T oken Ring Swit c hes Installation and User Guide Displa y Summary Screen To open this screen from the main men u, select St atistics → → → → Display Su mmary. This screen gives access to the most important switch configuration param eters in a summ ...

  • Cabletron Systems STS16-20D - page 214

    200 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Netw ork from the Console Statis tic s Menu ...

  • Cabletron Systems STS16-20D - page 215

    201 Monitoring the Network with SNMP SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 8. Monitoring the Netw ork with SNM P This chapter explains how to m onitor t he SmartS tack STS16- 20D Token Ring Swi tch and t he S martS tack S TS16- 20R Tok en Ri ng Swit ch from a networ k management s ystem usi ng an appl icati ...

  • Cabletron Systems STS16-20D - page 216

    202 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Net work with SNMP SNMP Co nfiguration Use the SNM P Configurati on screen and all of its submenus to configure specific attributes related to SN MP. SNMP Configuration Screen To open this screen fro m the main menu, select Configuration → → → ? ...

  • Cabletron Systems STS16-20D - page 217

    203 Monitoring the Network with SNMP SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide SNMP over MA C... Enables or disables SNMP transport ov er the MAC pr otocol. The S NMP over MAC protoco l is used by t he Clear Sight management ap plication. N ote t hat the switch will not send SNMP traps using SNMP over MAC proto ...

  • Cabletron Systems STS16-20D - page 218

    204 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Net work with SNMP Entries are displayed in the order in which they are encountered. There is a limit of five commu nity stri ngs. Community str ing table entries are saved when you select Return . Index Sequential number of entries in the table. Comm ...

  • Cabletron Systems STS16-20D - page 219

    205 Monitoring the Network with SNMP SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide T rap Receiver s Screen To open this screen from the main men u, select Configuration → → → → SNMP Configura tion → → → → Trap Receivers. Trap receiver tables tell the SmartStack STS16-20D/STS16-20 R where to send tra ...

  • Cabletron Systems STS16-20D - page 220

    206 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Net work with SNMP Add Entry Adds a new entry to the t rap rece i ver table. Delete Entry Deletes an entry from the tr ap receiver table. Change Entry Modifies an entry in the t rap rec ei ver table. Clear T able Deletes all table entries. Zoom Displa ...

  • Cabletron Systems STS16-20D - page 221

    207 Monitoring the Network with SNMP SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide An authenticationFail ure trap signifies that the sending protocol entity is the addressee of a pr otocol message that is not properl y authenticated. Enterp rise speci fic traps - from STS16.MIB STS16StackC fgChange This trap is gen ...

  • Cabletron Systems STS16-20D - page 222

    208 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Net work with SNMP STS16Dupl icateBridg e This trap is ge nerated when a dup l icated bridge nu mber is detected on a port in a CRF. STS16Ri ngNumb erMism atch This trap is ge nerated when a mismatch in rin g numbers is detected on a po rt in a CRF. T ...

  • Cabletron Systems STS16-20D - page 223

    209 Monitoring the Network with SNMP SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide This trap is sent when one of the links in an CrossLink fail. The variable STS16 CLPorts cont ains the p orts which ar e operational in the C rossLink. ➽ Note: On SmartStack STS16-20D only ports 17 to 20 allow CrossLinks to be conf ...

  • Cabletron Systems STS16-20D - page 224

    210 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring the Net work with SNMP ...

  • Cabletron Systems STS16-20D - page 225

    211 Monitoring Port T raffic SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide 9. Monitorin g P or t T raffic The SmartStack STS16-20D/STS16-20R allows you to configu r e a Switched Port Analyzer function fo r monitoring traff ic on a po rt. An a nalyzer port is a port on which an external prob e can obs erve traffic f ...

  • Cabletron Systems STS16-20D - page 226

    212 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring Port Tr aff ic will receive all the traffic (includi ng MAC frames). If the monitored port is in FDX mode, only h alf the traffic will be receiv ed on the analyzer p ort. ➽ Note! A special probe is needed fo r using the passi ve monitoring feature. Sinc ...

  • Cabletron Systems STS16-20D - page 227

    213 Monitoring Port T raffic SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Sw itched P o r t An alyze r Sc reen To open this scr een from the m ai n menu, select Co nfiguration → → → → Switched Port Analyzer . The following info rmation is displayed on this screen: Anal yzer P ort Numb e r The port to which ...

  • Cabletron Systems STS16-20D - page 228

    214 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Monitoring Port Tr aff ic ...

  • Cabletron Systems STS16-20D - page 229

    215 Tr oubleshooting SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide 10. T r oublesho oting This chapter contains procedures that help you tro ubleshoot problems with a s witch and its con nections to other devices. Obtaining Service There are no serviceable p arts inside the SmartStack STS16-20 D /Sys16-20R. Do n ...

  • Cabletron Systems STS16-20D - page 230

    216 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide T roubleshooting 4. In T able 15, locate the symptom t hat best des cribes t he communi cation pr oblem and the LED patter n you observed. T h en, go t o the section t hat contains th e recommended act ions for r esolving the probl em and f ollo w that procedure. Ch ...

  • Cabletron Systems STS16-20D - page 231

    217 Tr oubleshooting SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide 2. Reset the switch b y disconnecting the po wer cord, waiting 1 0 seconds, an d then reconnecting it to the electrical outlet. If the problem goes away , resume using the switch. 3. If you h a ve just d ownloaded ne w microcode, clear NVRAM and ...

  • Cabletron Systems STS16-20D - page 232

    218 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide T roubleshooting — If the port INSR T LED is of f, the port is probably disabled. Check that the port conf iguration matc hes the attached de vice, and then go t o Step 3. 2. If the I NSR T LED on the failing port is on, and the attached de v ice still cannot comm ...

  • Cabletron Systems STS16-20D - page 233

    219 Tr oubleshooting SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide ➽ Not e: If a switch port is conf igured to “ speed auto sense ” mode, and is connected to shared-media where there are no activ e stations, the port will not open until another station becomes active and s ets the r ing speed. If necessar ...

  • Cabletron Systems STS16-20D - page 234

    220 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide T roubleshooting ...

  • Cabletron Systems STS16-20D - page 235

    221 Getting in T ouch with T echnical Support SmartStack STS16-20D/STS16-20R T ok en Ring Switches Installation and Us er Guide 11. Getting in T ouc h with T echnical Su ppor t For addi tional supp ort related to this device or document, contact Cabl etron Systems u sing one of the following meth ods: Before calli ng Cabletro n Systems, have the fo ...

  • Cabletron Systems STS16-20D - page 236

    222 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Getting in T ouch with T echnical Support Pr o blem Repor t For m Fill in both sid es of this Problem Repo rt Form, print out the relevant sy stem configur ation files and fax or mail to Cabletron Systems Technical Support. Y ou can also fill in and send a Problem R ...

  • Cabletron Systems STS16-20D - page 237

    223 Getting in T ouch with T echnical Support SmartStack STS16-20D/STS16-20R T ok en Ring Switches Installation and Us er Guide ❏ Problem Description Network Inst allation Sketch ...

  • Cabletron Systems STS16-20D - page 238

    224 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Getting in T ouch with T echnical Support ...

  • Cabletron Systems STS16-20D - page 239

    225 Abbreviations SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide Appendix A. Abbre viations AMP Active Monitor Present ARE All-R outes E xpl orer ARP Addres s Reso lution Protocol ATM As ynchronous Transfer Mode BLK Block ed BPDU Bridge Protocol Data Un i t BRF Bridge R elay Functio n CAU Contro lled Access Unit C ...

  • Cabletron Systems STS16-20D - page 240

    226 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Abbreviations IEEE Institute of Electrical and Electro nics Engineers LAA Local Admi nistrated A ddress LAN Local Area Network LAM Lobe Att achment Module LED Light Emitting Diode LLC Logi cal Link Co ntrol LRN Learning LSN Listening MAC Media Access Contro l MAU Me ...

  • Cabletron Systems STS16-20D - page 241

    227 Abbreviations SmartStack STS16-20D/STS 16-20R T oken Ring Swit ches Installation and User Guide SNAP Subnetwork Access Protocol SNMP Simple Networ k Mana gemen t Protoc ol SPAN Switched Por t Analyzer SRB Sour ce Route B ridging SRS Source Route Switching SRT Source Route Tr ansparent Bridging SSI M SmartStack Interface Module STE Span ning Tre ...

  • Cabletron Systems STS16-20D - page 242

    228 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Abbreviations ...

  • Cabletron Systems STS16-20D - page 243

    229 Cable and Pin Information SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Appendix B. Cab le and Pi n Inf ormation This appendix provides information on cables that can be used with the SmartStack STS16-20 D/STS16 -20R. It also prov ides mini mum pin- out information to be used to verify that th e cables are c ...

  • Cabletron Systems STS16-20D - page 244

    230 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Cable and Pin Information Management P ort Pin-Out TIA/EIA-232 Modem Cable Connections Use a standard straig ht-through modem cab le to connect the switch ’ s MANAGEMENT port t o a modem. TIA/EIA-232 Null-Modem Connections Use a null-m odem (crossover) cab l e sh ...

  • Cabletron Systems STS16-20D - page 245

    231 Cable and Pin Information SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Figure 28. TIA/EIA-232 Null-Mod em Cab le f or 25-pin Connector Use a null-modem (cros s over) cable s hown in Figure 29 to connect the MANAGEMENT port to a terminal (DTE) with a 9-pin connector. Alternatively, you can use a modem cable ...

  • Cabletron Systems STS16-20D - page 246

    232 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Cable and Pin Information T wisted-P air Cab le Pin Outs When connecting devices to the token-rin g ports on the switch, you must u s e a straight-throug h cable. Diagrams of these cables fo llow. Straight -T hrough 100-Ohm/12 0-O hm Cable The swit ch RJ-45 connecto ...

  • Cabletron Systems STS16-20D - page 247

    233 Cable and Pin Information SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Cabling Recommendations The tables in t his secti on contain t he maximum s upported lobe len gths. The maximum lengt hs refl ect the lon gest length s supported by t he transm ission characteristics of IEEE 802.5- compliant adapters. Th ...

  • Cabletron Systems STS16-20D - page 248

    234 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Cable and Pin Information if using any 4 Mbps only adapters or filters). Cable Length and Lobe Wiring Rules f or Dedicated-Medi a LAN Segments The Cabletro n Systems Token Rin g network dedicated-m edia (full-dupl ex) connections suppor t only one attached entity (w ...

  • Cabletron Systems STS16-20D - page 249

    235 Cable and Pin Information SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Cable Length and Lobe Wiring Rules f or Shared-Media LAN Segments The types of cables that can b e used in s hared-media segments (half-duplex) are the same as th ose described for dedicated-media s egments on page 2 34. ➽ Not e: The a ...

  • Cabletron Systems STS16-20D - page 250

    236 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Cable and Pin Information ...

  • Cabletron Systems STS16-20D - page 251

    index-1 Index SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Numerics 802.5 17 802.5 DT R MAC Informati on menu 172 802.5 State Informatio n screen 170 802.5 Stat istics scre en 167 A address unknow n 20 address ag ing 126 Address Ag ing menu 127 address f ilter ing 116 address tabl es 20 Address T ables menu 177 ...

  • Cabletron Systems STS16-20D - page 252

    index-2 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Inde x Dow nload /Uplo ad men u 147 DSAP 225 DSRR 32, 33 , 34 DSRR Acting as Ba ckup Tab le screen 195 DSRR co nfigurat ion 141 DSRR C onfigur ation s cre en 14 4 DSRR Grou p Configura tion screen 143 DSRR Nei ghbour Table scre en 194 DSRR status 193 DSRR S tat ...

  • Cabletron Systems STS16-20D - page 253

    index-3 Index SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide Filters and Port Security 117 navigati on 77 Password 130 Prot ocol Fi lters 122 Statistics 156 VLAN Co nfigurat ion 87 Message Log In formation scree n 19 7 MIB 226 modem creat ing a cons ole sessi on 134 modem cable c onnections 23 0 Module Informatio ...

  • Cabletron Systems STS16-20D - page 254

    index-4 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Inde x Master Address Table Aging 129 Master Route Descriptor Table 180 Message Log Info rmation 19 7 Module Inf ormation 84 Port Addr ess Table Aging 127 Port Confi guration 106 Port Filtering Attri butes 124 Port Spanning T ree Parameters 104 Port Status 160 P ...

  • Cabletron Systems STS16-20D - page 255

    index-5 Index SmartStack STS16-20D/STS16-20R T ok e n Ring Swit ches Installation and User Guide T table moun ting 59 TCP/IP 227 Techn ical Support 221 Telnet C onfigurat ion screen 135 Telnet Mana gement 36 Telnet session starti ng 137 stopping 137 Telnet Sessions 132 Telnet Sessions screen 136 termina l emulation program on consol e 72 TFTP 227 T ...

  • Cabletron Systems STS16-20D - page 256

    index-6 SmartStack STS16-20D/STS16-20R T oken Ring Switches Installation and User Guide Inde x ...

  • Cabletron Systems STS16-20D - page 257

    ...

  • Cabletron Systems STS16-20D - page 258

    * 710001812 * ...

Manufacturer Cabletron Systems Category Switch

Documents that we receive from a manufacturer of a Cabletron Systems STS16-20D can be divided into several groups. They are, among others:
- Cabletron Systems technical drawings
- STS16-20D manuals
- Cabletron Systems product data sheets
- information booklets
- or energy labels Cabletron Systems STS16-20D
All of them are important, but the most important information from the point of view of use of the device are in the user manual Cabletron Systems STS16-20D.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Cabletron Systems STS16-20D, service manual, brief instructions and user manuals Cabletron Systems STS16-20D. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Cabletron Systems STS16-20D.

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A complete manual for the device Cabletron Systems STS16-20D, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Cabletron Systems STS16-20D by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Cabletron Systems STS16-20D.

A complete Cabletron Systems manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Cabletron Systems STS16-20D - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Cabletron Systems STS16-20D, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Cabletron Systems STS16-20D, that we can find in the current document
3. Tips how to use the basic functions of the device Cabletron Systems STS16-20D - which should help us in our first steps of using Cabletron Systems STS16-20D
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Cabletron Systems STS16-20D
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Cabletron Systems STS16-20D in a specific country, if it was not possible to solve the problem on our own.

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