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Manual ZyXEL ES-305

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  • ZyXEL ES-305 - page 1

    www .zyxel.com ES-305 Intelligent Layer 2 Managed Switch User ’ s Guide Ve r s i o n 1 . 0 6/2007 Edition 1 DEFAULT LOGIN IP Address http://1 92 .168.0.1 ...

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    About This User's Guide ES-305 User’s Guide 3 About This User's Guide Intended Audience This manual is intended for people who wa nt to configure the ES-305 using the web configurator . Y ou should have at leas t a basic knowledge of TCP/IP networking concepts and topology . Related Document ation • Quick Start Guide The Quick S tart ...

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    Document Conventions ES-305 User’s Guide 4 Document Conventions W arnings and Notes These are how warnings and notes are shown in this User ’ s Guide. 1 W arnings tell you about things that could harm you or your device. " Notes tell you other important informati on (for example, other things you may need to configure or helpful tip s) or ...

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    Document Conventions ES-305 User’s Guide 5 Icons Used in Figures Figures in this User ’ s Guide may use the followi ng generic icons. The ES-305 icon is not an exact representation of your device. ES-305 Computer Notebook computer Server DSLAM Firewall T ele phone Switch Router ...

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    Safety Warnings ES-305 User’s Guide 6 Safety Warnings 1 For your safety , be sure to read and follow all warni ng notices and instructions. • Do NOT use this product near water , for example, in a wet basement or near a swimming pool. • Do NOT expose your device to dampness, dust or corrosive liquids. • Do NOT store thin gs on the device. ? ...

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    Safety Warnings ES-305 User’s Guide 7 This product is recyclable . Dispose of it properly . ...

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    Safety Warnings ES-305 User’s Guide 8 ...

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    Contents Overview ES-305 User’s Guide 9 Contents Overview Introduction .......................................... ........................................................................ .......... 19 Introducing the ES-305 ............. ................ .................... ................ ................ ................ ....... ...... 21 Int ...

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    Contents Overview ES-305 User’s Guide 10 ...

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    Table of Contents ES-305 User’s Guide 11 Table of Contents About This User's Guide ..................................................... ................................................... .. 3 Document Conventions.................................................................. ......................................... .4 Safety Warnings . ...

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    Table of Contents ES-305 User’s Guide 12 Part II: Web Configurator an d T roubleshooting .................................. 43 Chapter 4 System Screens ......................................................................................... ........................ ..... 45 4.1 The System S tatus Screen .... ................ ................. .. ...

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    Table of Contents ES-305 User’s Guide 13 Index....................................................... ................................................................... ............. 1 15 ...

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    Table of Contents ES-305 User’s Guide 14 ...

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    List of Figures ES-305 User’s Guide 15 List of Figures Figure 1 Internet Access through the ES-305 ........................... ................ ............. ................ ........... ..... 21 Figure 2 LEDs .............. ................ ................. ................ ................ ................ ................ .. ................. ...

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    List of Figure s ES-305 User’s Guide 16 Figure 39 Login Screen .. ................. ................ ................ ................ ................ ................ ..... ............... ... 71 Figure 40 SNMP Management Model ... ................ ............. ................ ................ ............. ................ .. ..... 72 Figure ...

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    List of Tables ES-305 User’s Guide 17 List of Tables T able 1 LEDs . ................ ................. ................ ................ ................ ................ ............... ........... ............. 22 T able 2 System St atus ................ ................. ................ ................ ................ ................ .... ...

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    List of Tables ES-305 User’s Guide 18 ...

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    19 P ART I Introduction Introducing the E S-305 (21) Introducing the W eb Configurator (25) T utorial (27) ...

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    20 ...

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    ES-305 User’s Guide 21 C HAPTER 1 Introducing the ES-305 This chapter introduces th e main applications and fe atures of the ES-305. It also introduces the ways you can manage the ES-3 0 5. 1.1 Overview The ES-305 is an intelligent five -port Ethernet switch. Use it to connect up to four devices to your network. The following figu re shows the ES ...

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    Chapter 1 Introducing the ES-305 ES-305 User’s Guide 22 1.3 Good Habit s for Managing the ES-305 Do the following things regularly to make th e ES-305 more secure and to manage the ES-305 more effectively . • Change the username and password. Use a p assword that’ s not eas y to guess and that consists of different types of characters, such a ...

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    Chapter 1 Introducing the ES-305 ES-305 User’s Guide 23 LAN 1 ~ 3 Amber On The LAN port has a successful Ethernet connection. Blinking The LAN port has a successful Ethernet connection, and is sending o r receiving data through the port. Off The LAN port is not connected, or the device to which it is connected is switched off. T able 1 LEDs (cont ...

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    Chapter 1 Introducing the ES-305 ES-305 User’s Guide 24 ...

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    ES-305 User’s Guide 25 C HAPTER 2 Introducing the Web Configurator This chapter describes how to access the ES-305’ s web configurator . 2.1 W eb Configurator Overview The web configur ator is an HTML-based manage ment interface that allows easy setup and management of the ES-305 via an Internet browser . Use Internet Explorer 6.0 and later or ...

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    Chapter 2 Introducing the Web Configur ator ES-305 User’s Guide 26 " It is strongly recommended that you se t a username and password for the ES- 305 as soon as possible. Ot herwise, anyone can log in and make configuration changes. Use the System > Administrator Settings screen to set up login information (see Section 4.3 on page 47 ). Y ...

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    ES-305 User’s Guide 27 C HAPTER 3 Tutorial This chapter describes how to configure your ES -305 in some example scenarios. It shows you how to do the following. • Set up the ES-305 to use V irtual LANs (see Section 3.1 on page 27 ). • Manage the ES-305 using Simple Network Management Protocol (see Section 3.2 on page 34 ). 3.1 How to Set Up V ...

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    Chapter 3 Tutorial ES-305 User’s Guide 28 Figure 4 T utorial: VLAN Group Settings Example Incoming data from VLANs 1 and 750 is not transmitted. Incoming data from VLAN 600 is forwarded, but has its VLAN ta g removed. This means that any devic e connected to LAN 1 can see the data (if the VLAN tag had been kept, only devices also config ured to b ...

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    Chapter 3 Tutorial ES-305 User’s Guide 29 3.1.1.3 Combining Group VLAN and P VID Settings When configuring VLAN settings on the ES-305, the settings in the Group VLAN Settings screen and the Port VID Settings screen must corre spond. For instance, in the Port VID Settings example abov e ( Section 3.1.1.2 on page 28 ) you would also configure a Gr ...

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    Chapter 3 Tutorial ES-305 User’s Guide 30 Figure 7 T utorial: Three VLANs 3.1.2.1 Configuring the Scenario T ake the following steps to configure this setup. 1 On a computer connected to the LAN 3 or 4 port, log into the ES-305 (see your Quick Start Guide for how to do this). Click VLAN > VLAN Group Settings . Here you can define which ports a ...

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    Chapter 3 Tutorial ES-305 User’s Guide 31 Figure 8 T utorial: VLAN Group Settings 2 The first rule is the default preset rule th at allows devices connected to any port to manage the ES-305 and freely exchange data. Do the following to modify the first rule to allow devices connected to the LAN 3 and 4 ports to communicate with one another and ma ...

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    Chapter 3 Tutorial ES-305 User’s Guide 32 • Leave LAN 2 ~ 4 at X (disable). • Select Ta g in the WA N column (there are VLAN-aware switches on that part of the network). 4 Configure the third rule to a llow devices connected to the LAN 2 port to access the V oIP service through the WA N port. • Select the Enable box, and enter 750 in the VI ...

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    Chapter 3 Tutorial ES-305 User’s Guide 33 Figure 10 T utorial: Port VID Settings 7 Enter the following settings: •I n 1x ’s PVID fie ld, ente r 600 . •I n 2x ’s PVID fie ld, ente r 750 . •I n 3x ’s PVID fie ld, ente r 1 . •I n 4x ’s PVID fie ld, ente r 1 . •I n t h e WA N port’ s PVID field, enter 600 . In this scenario there ...

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    Chapter 3 Tutorial ES-305 User’s Guide 34 3.2 Using SNMP SNMP Simple Network Management Protocol) is part of the TCP/IP networking suite. It allows a network administrator to remotely collect information about devices on the network, and make changes to their conf iguration. This tutorial is an example of using SNMP to monitor and manage a ZyXEL ...

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    Chapter 3 Tutorial ES-305 User’s Guide 35 Figure 12 T utorial: SNMP New Node List 2 A dialog box appears; click Ye s . Figure 13 T utorial: SNMP Dialog Box 3 The window that appears lets you specify an IP address range to scan, based on your computer ’ s current IP address and subnet mask settings. Y ou can also modify the SNMP port number (usu ...

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    Chapter 3 Tutorial ES-305 User’s Guide 36 Figure 15 T utorial: SNMP Node Discovery Progress 4 Once scanning is complete, a list of discov ered node s displays. Identify the device you want to manage either by its IP Addr ess , Name , Locatio n , or Description . Figure 16 T utorial: SNMP Discovered Nodes 3.2.3 V iewin g SNMP Dat a Once you have d ...

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    Chapter 3 Tutorial ES-305 User’s Guide 37 Figure 17 T utorial: SNMP Info The panel on the right ( A ) shows the gathered data, and the panel on the left allows you to navigate ( B ) from one page of in formation to anoth e r , make changes to the way you acce ss the SNMP agent ( C ), and use dif ferent management tools ( D ). The following sectio ...

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    Chapter 3 Tutorial ES-305 User’s Guide 38 Figure 18 T utorial: SNMP S tatistics 3.2.3.2 V iewing Interface Information This section illustrates an example of viewing i n formation about the ZyXEL Device’ s Ethernet ports, such as operational status, speed, and transmission / reception data. Click Network > Interfaces > Basic Info . The fo ...

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    Chapter 3 Tutorial ES-305 User’s Guide 39 Figure 20 T utorial: SN MP W alk 3.2.3.4 OID Descriptions When you cli ck on an entry in the SNMP W alk list, a short description displays in the panel on the left of the screen. For example, if you click an entry with the OID “1.3.6.1.2.1.1.4.0” and the name “system.sysContact.0”, the descri ptio ...

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    Chapter 3 Tutorial ES-305 User’s Guide 40 Figure 22 T utorial: SNMP MIB-S pecific Display T ype 3.2.4 Making Changes Some fields can be modified in the SNMP mana ger , whereas others are read-only . When you modify fields, the SN MP manager issues co mmands to the ZyXEL Device’ s SNMP agent, instructing it to make configura tion changes. Fields ...

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    Chapter 3 Tutorial ES-305 User’s Guide 41 Figure 25 T utorial: SNMP New Information 3 The next time you check the in formation (using the SNMP W a lk feature, for example) you can see that the changes have been made. Figure 26 T utorial: SNMP Changes Made ...

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    Chapter 3 Tutorial ES-305 User’s Guide 42 ...

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    43 P ART II W eb Configurator and T roubleshooting System Screens (45) VLAN Screens (53) T roubleshooting (61) ...

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    44 ...

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    ES-305 User’s Guide 45 C HAPTER 4 System Screens This chapter discusses the ES-305’ s System screens. 4.1 The System S t atus Screen This screen displays details of the ES-305 User’ s Guide’ s LAN settings and management information. Click System > System S tatus . The following screen displays. Figure 27 System S tatus The following tab ...

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    Chapter 4 System Screens ES-305 User’s Guide 46 4.2 The Network Settings Screen Use this screen to configure the ES-305’ s IP settings. Click System > Network Settings . The following screen displays. Figure 28 Network Sett ings Gateway This field displays the IP addre ss of the gateway currently configured on the ES-305. The ga teway is the ...

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    Chapter 4 S ystem Screen s ES-305 User’s Guide 47 The following table describes the labels in this screen. 4.3 The Administrator Settings Screen Use this screen to change the username and pa ssword information used to access the ES-305’ s web configurator . Y ou can also set the idle timeout in this screen. Click System > Administrator Setti ...

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    Chapter 4 System Screens ES-305 User’s Guide 48 The following table describes the labels in this screen.The following tabl e describes the labels in this screen. 4.4 The Firmware Upgrade Screen Use this screen to upload new firmware to the ES-305. The firmware determines the device’ s available features and functionality . Y ou can download new ...

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    Chapter 4 S ystem Screen s ES-305 User’s Guide 49 Figure 30 Firmware Upg rade The following table describes the labels in this screen. After you see the Firmware Upload in Pr ogress screen, wait two minutes before logging into the ES-305 again. Figure 31 Firmware Upload In Progress The ES-305 automat ically restar ts in this time causing a tempor ...

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    Chapter 4 System Screens ES-305 User’s Guide 50 After two minutes, log in again an d check your new firmware version in the St a t u s screen. If the upload was not successful, the following screen will appear . Click Return to go back to the Firmwar e Upgrade sc reen. Figure 33 Error Message 4.5 The Configuration T ools Screen Use this screen to ...

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    Chapter 4 S ystem Screen s ES-305 User’s Guide 51 Backup Settings Select this to back up (save) th e ES-305’s current configuration to a file on your computer . The backup con figuration file will be useful in case you need to return to yo ur previous settings. Note: Once your ES-305 is configured and functioning properly , it is strongly recom ...

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    Chapter 4 System Screens ES-305 User’s Guide 52 ...

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    ES-305 User’s Guide 53 C HAPTER 5 VLAN Screens This chapter describes the ES-305’ s VLAN (V irtual Local Area Network) screens. 5.1 Introduction to IEEE 802.1Q T agged VLANs A tagged VLAN uses an explicit tag (VLAN ID) in the MAC header to identify the VLAN membership of a frame across bridges - they are not confined to the switch on which they ...

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    Chapter 5 VLAN Screen s ES-305 User’s Guide 54 5.1.2 Manage ment VLAN ID If you want to access the ES-305 (for configura tion, for example) yo u must connect to it through a po rt that is a member of the ma nage ment VLAN. If a port is not a member of the management VLAN, devices connected th rough it cannot access the ES-305. The management VLAN ...

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    Chapter 5 V LAN Screens ES-305 User’s Guide 55 The DSCP value determines the forwardi ng behavior , the PHB (Per-Hop Behavior), that each packet gets across the DiffServ network. Based on the marking rule, dif f e rent kinds of traffic can be marked for different kind s of forwarding. Resources can th en be allocated according to the DSCP values ...

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    Chapter 5 VLAN Screen s ES-305 User’s Guide 56 Figure 35 VLAN Group Settings The following table describes the labels in this screen. T able 7 VLAN Group Settings LABEL DESCRIPTION Enable Select this to have the ES-305 use the rul e. Leave it unselected if you do not want to use the rule. VID Enter the VLAN ID for this rule (1 ~ 4094). P1 ~ P4, W ...

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    Chapter 5 V LAN Screens ES-305 User’s Guide 57 5.3 The Port VID Screen Use this screen to configure the VLAN ID (VID ) of each port on the ES-305. The ES-305 assigns a PVID (Port VLAN ID) and IEEE 802.1p pr iority level to outgoi ng untagged traffic from each port. If the traff ic already possesses an IEEE 802.1Q VLAN tag, it is not changed. Clic ...

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    Chapter 5 VLAN Screen s ES-305 User’s Guide 58 The following table describes the labels in this screen. 5.4 The DiffServ Screen Use this screen to enable and configure DiffSe rv Code Point (DSCP) and DSCP / IEEE 802.1p priority mapping on each of the ES-305’ s ports. DSCP Code Point mapping allows you to change the priority of incoming packets ...

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    Chapter 5 V LAN Screens ES-305 User’s Guide 59 Figure 38 Dif fserv The following table describes the labels in this screen. T able 9 DiffServ LABEL DESCRIPTION Port Number Select the po rt (LAN 1x ~ 4x or WA N ) you want to configure. Dif fServ Select Enable to have t he port assign Di ffServ Code Point (DSCP) values. Leave this unselected if you ...

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    Chapter 5 VLAN Screen s ES-305 User’s Guide 60 ...

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    ES-305 User’s Guide 61 C HAPTER 6 Troubleshooting This chapter offers some sugg estions to solve problems you might encounter . The potential problems are divided into the following categories. • Power , Hardware Connections, and LEDs • ES-305 Access and L ogin • Internet Access • Resetting the ES-305 to Its Factory Defaults 6.1 Power , H ...

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    Chapter 6 Troub leshooting ES-305 User’s Guide 62 6.2 ES-305 Access and Login V I forgot the IP address for the ES-305. 1 The default IP address is 192.168.0.1 . 2 If this does not work, you have to reset the device to its factory defaults. See Section 6.4 on page 64 . V I forgot the password. 1 The ES-305 has no password or use rname by default. ...

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    Chapter 6 Troubleshooting ES-305 User’s Guide 63 V I can see the Login screen, but I cannot lo g in to the ES-305. 1 Make sure you have entered the user name and pa ssword correctly . These fields are ca se- sensitive, so make sure [Caps Lock] is not on. The ES-305 has no user name or password by default, so try just clicking OK when you are aske ...

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    Chapter 6 Troub leshooting ES-305 User’s Guide 64 V I cannot access the Internet anymore. I had access to the Internet (with the ES-305), but my Internet connect ion is not available anymore. 1 Check the hardware connections , and make su re the LEDs are be having as expected. Se e the Quick S tart Guide and Section 1.4 on page 22 . 2 Disconnect ...

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    Chapter 6 Troubleshooting ES-305 User’s Guide 65 ...

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    67 P ART III Appendices and Index Product Specification s (69) Setting up Y our Computer ’ s IP Address (81) Pop-up W indows, JavaScripts and Java Permissions (75) IP Addresses and Subnetting (91) Command Interpreter (101) Legal Information (107) Customer Support (1 1 1) Index (1 15) ...

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    68 ...

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    ES-305 User’s Guide 69 A PPENDIX A Product S pecifications The following tables summarize the ES-30 5’ s hardware and firmware features. T able 10 Hardware Specifications Dimensions (W x D x H) 125 x 85 x 25 mm Power S pecification 9V AC, 1A Ethernet Ports 5 au to-negotiating, auto-crosso ver 10/100 Mbps full- or half-duplex fast Ethernet ports ...

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    Appendix A Product Specifications ES-305 User’s Guide 70 The following list, which is not exhaustive, i llustrates the standards su pported in the ES-305. Connect to your ES-305 Using T elnet The following procedure details ho w to tel net into your ES-305. 1 In W indows, clic k St a r t (usually in the bottom left corner), Run and then type “t ...

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    Appendix A Product Specifications ES-305 User’s Guide 71 2 For your first login, just press [Enter] for the login (username) and password. If you already configured a username and password, enter them here. As you type the password, the screen displays an asterisk “*” for ea ch character you type. Figure 39 Login Screen 3 After entering the p ...

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    Appendix A Product Specifications ES-305 User’s Guide 72 Figure 40 SNMP Management Model An SNMP managed network consis ts of two main types of comp onent: ag ents and a manager . An agent is a manageme nt software module that resides in a managed device (the ES-305). An agent translates the local ma nagemen t information from the manage d device ...

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    Appendix A Product Specifications ES-305 User’s Guide 73 Some traps include an SNMP in terface index. The following ta ble maps the SNMP interface indexes to the ES-305’ s physical ports. T able 14 SNMP Interface Index to Physical and Virtual Port Mapping INTERFACE PORT eth0 WA N eth1 LAN 4 eth2 LAN 3 eth3 LAN 2 eth4 LAN 1 ...

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    Appendix A Product Specifications ES-305 User’s Guide 74 ...

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    ES-305 User’s Guide 75 A PPENDIX B Pop-up Windows, JavaScript s and Java Permissions In order to use the web configurator you need to allow: • W eb browser pop-u p windows from your device. • JavaScripts (enabled by default). • Java permissions (enabled by default). " Internet Explorer 6 screens are used here. Screens for other Interne ...

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    Appendix B Po p-up Window s, JavaScrip ts and Java Pe rmissions ES-305 User’s Guide 76 2 Clear the Block pop-ups check box in the Pop-up Block e r section of the screen. This disables any web po p-up blockers you may have enabled . Figure 42 Internet Options: Privacy 3 Click Apply to save this setting. Enable pop-up Blockers with Exceptions Alter ...

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    Appendix B Pop-u p Windows, JavaScripts and Java Permissio ns ES-305 User’s Guide 77 Figure 43 Internet Options: Privacy 3 T ype the IP address of your device (the web page that you do not want to have blocked) with the prefix “http://”. For example, http://192.168.167.1. 4 Click Add to move the IP address to the list of Allowed sites . Figur ...

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    Appendix B Po p-up Window s, JavaScrip ts and Java Pe rmissions ES-305 User’s Guide 78 5 Click Close to return to the Privacy screen. 6 Click Apply to save this setting. JavaScript s If pages of the web configura tor do not display properly in Internet Explorer , ch eck that JavaScripts are allowed. 1 In Internet Explorer , click T ools , Interne ...

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    Appendix B Pop-u p Windows, JavaScripts and Java Permissio ns ES-305 User’s Guide 79 Figure 46 Security Setting s - Java Scrip ting Java Permissions 1 From Internet Explorer , click To o l s , Internet Options and then the Security tab. 2 Click the Custom Level... button. 3 Scroll down to Microsoft VM . 4 Under Java permissions make sure that a s ...

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    Appendix B Po p-up Window s, JavaScrip ts and Java Pe rmissions ES-305 User’s Guide 80 JA V A (Sun) 1 From Internet Explorer , click To o l s , Internet Options and then the Advanced tab. 2 Make sure that Use Java 2 for <applet> under Java (Sun) is sele cted. 3 Click OK to clos e the window . Figure 48 Java (S un) ...

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    ES-305 User’s Guide 81 A PPENDIX C Setting up Y our Computer ’ s IP Address All computers must have a 10M or 100M Et hernet adapter card and TCP/IP installed. W indows 95/98/Me/NT/2000/XP , Macintosh OS 7 and later operating systems and all versions of UNIX/LINUX include the software components you need to install and use TCP/IP on your compute ...

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    Appendix C Setting up Your Computer’s IP Address ES-305 User’s Guide 82 Figure 49 WIndows 95/98/Me: Network: Co nfiguration Inst alling Components The Network window Configuration tab displays a list of installed components. Y ou need a network adapter , the TCP/IP protocol and Client for Microsoft Netwo rks. If you need the adapter: 1 In the N ...

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    Appendix C Setting up Your Computer’s IP Address ES-305 User’s Guide 83 Configuring 1 In the Network window Configuration tab, select your network adapter's TCP/IP entry and click Properties 2 Click the IP Address tab. • If your IP address is dynamic, select Obtain an IP address automatically . • If you have a static IP address, select ...

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    Appendix C Setting up Your Computer’s IP Address ES-305 User’s Guide 84 Figure 51 Windows 95/98/Me: TCP/IP Properties: DNS Configuration 4 Click the Gateway tab. • If you do not know you r gateway’ s IP addr ess, remove previously installed gateways. • If you have a gateway IP address, type it in the New gateway field and click Add . 5 Cl ...

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    Appendix C Setting up Your Computer’s IP Address ES-305 User’s Guide 85 Figure 52 Windows XP : S tart Menu 2 In the Control Panel , double-click Network Connections ( Network and Dial-up Connections in W indow s 2000/NT). Figure 53 Windows XP: Control Panel 3 Right-click Local Area Connection and then click Pr operties . ...

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    Appendix C Setting up Your Computer’s IP Address ES-305 User’s Guide 86 Figure 54 Windows XP: Control Panel: Network Connections: Properties 4 Select Internet Protocol (TCP/IP) (under the Genera l tab in W in XP) and then click Properties . Figure 55 Windows XP: Loca l Area Connection Properties 5 The Internet Protocol TCP/IP Properties window ...

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    Appendix C Setting up Your Computer’s IP Address ES-305 User’s Guide 87 Figure 56 Windows XP: Internet Protocol (TCP/IP) Prope rties 6 If you do not know your gateway's IP ad dress, remove any previously installed gateways in the IP Settings tab and click OK . Do one or more of the fo llowing if you want to configure additi onal IP address ...

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    Appendix C Setting up Your Computer’s IP Address ES-305 User’s Guide 88 Figure 57 Windows XP : Advanced TCP/ IP Properties 7 In the Internet Protocol TCP/IP Pr operties window (the General tab in W indow s XP): • Click Obtain DNS server address automatically if yo u do not know your DNS server IP address(es). • If you know your DNS server I ...

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    Appendix C Setting up Your Computer’s IP Address ES-305 User’s Guide 89 Figure 58 Windows XP: Internet Protocol (TCP/IP) Prope rties 8 Click OK to close the Internet Protocol (TCP/IP) Properties window . 9 Click Close ( OK in W i ndows 2000/NT) to close the Local Area Connecti on Properties window . 10 Close the Networ k Connections wi ndow ( N ...

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    Appendix C Setting up Your Computer’s IP Address ES-305 User’s Guide 90 ...

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    ES-305 User’s Guide 91 A PPENDIX D IP Addresses and Subnetting This appendix introduces IP addresses and subnet masks. IP addresses identify ind ividual devices on a network. Every networking device (includin g computers, servers, routers, printe rs, etc.) ne eds an IP address to communicate across the network. These networking devices a re also ...

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    Appendix D IP Addresses a nd Subnetting ES-305 User’s Guide 92 Figure 59 Network Num ber and H ost ID How much of the IP address is the network number and how much is the host ID varies according to the s ubnet mask. Subnet Masks A subnet mask is used to dete rmine which bits are part of th e network number , and which bits are part of the host I ...

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    Appendix D IP Addresses and Subnetting ES-305 User’s Guide 93 Subnet masks are expressed in dotted decimal no tation just like IP addresses. The follow ing examples show the binary and decimal not ation for 8-bit, 16-bit, 24-bit an d 29-bit subnet masks. Network Size The size of the network number determines the maximum number of possib le hosts ...

  • ZyXEL ES-305 - page 94

    Appendix D IP Addresses a nd Subnetting ES-305 User’s Guide 94 Subnetting Y ou can use subnetting to divide one network into multiple sub-networks. In the following example a network administrator creates two sub-networks to isolate a group of servers from the rest of the c ompany network for security reasons. In this example, the company network ...

  • ZyXEL ES-305 - page 95

    Appendix D IP Addresses and Subnetting ES-305 User’s Guide 95 Figure 61 Subnetting Example: After Subnetting In a 25-bit subnet the host ID has 7 bits , so each sub-network has a maximum of 2 7 – 2 or 126 possible hosts (a host ID of all zeroes is the subnet’ s address itself, all ones is the subnet’ s broadcast address). 192.168.1.0 with m ...

  • ZyXEL ES-305 - page 96

    Appendix D IP Addresses a nd Subnetting ES-305 User’s Guide 96 Example: Eight Subnet s Similarly , use a 27-bit mask to create eight subnets (000, 00 1, 010, 01 1, 100, 101, 1 10 and 111 ) . The following table shows IP address last octet values for each subnet. T able 20 Subnet 2 IP/SUBNET MASK NETWORK NUMBER LAST OCTET BI T VA L U E IP Address ...

  • ZyXEL ES-305 - page 97

    Appendix D IP Addresses and Subnetting ES-305 User’s Guide 97 Subnet Planning The following table is a summary for su bnet planning on a network with a 24-bit network number . The following table is a summary for su bnet planning on a network with a 16-bit network number . 5 128 129 158 15 9 6 160 161 190 19 1 7 192 193 222 22 3 8 224 225 254 25 ...

  • ZyXEL ES-305 - page 98

    Appendix D IP Addresses a nd Subnetting ES-305 User’s Guide 98 Configuring IP Addresses Where you obtain your netwo rk number depends on yo ur particular situation. If the ISP or your network administrator assigns yo u a bloc k of registered IP addresses, follow their instructions in selecting the IP addresses and the subnet mask. If the ISP did ...

  • ZyXEL ES-305 - page 99

    Appendix D IP Addresses and Subnetting ES-305 User’s Guide 99 IP Address Conflict s Each device on a network must have a unique IP address. Devices with duplicate IP addresses on the same network will not be ab le to access the Internet or ot her resources. The devices may also be unreachable through the network. Conflicting Computer IP Addresses ...

  • ZyXEL ES-305 - page 100

    Appendix D IP Addresses a nd Subnetting ES-305 User’s Guide 100 Conflicting Computer and R outer IP Addresses Example More than one device can not use the same IP addr ess. In the following example, the computer and the router ’ s LAN port both use 192.168.1.1 as the IP ad dress. The computer cannot access the Internet. This problem can be solv ...

  • ZyXEL ES-305 - page 101

    ES-305 User’s Guide 101 A PPENDIX E Command Interpreter The following describes how to use the command interpreter . Se e the section on T elnet in Appendix A on pa ge 69 for how to log into th e command interpreter . 1 Use of undocumented co mmands or misconfigurat ion can damage the unit and possibly render it unusable. Command Synt ax • The ...

  • ZyXEL ES-305 - page 102

    Appendix E Comm and Interpreter ES-305 User’s Guide 102 Root Directory When you first log in to the command interface, you are in the root directory . The CMD> prompt displays. From here you can access a ll of the ES-305 ’ s co mmand directories. The command directories are as follows. • cfg : these commands manage configuration settings. ...

  • ZyXEL ES-305 - page 103

    Appendix E Co mma nd Interpreter ES-305 User’s Guide 103 T able 26 Commands Summary cfg get <var> Displays the specified profile variabl e (use cfg prof show to see all profile variables). V ariable names are case-sen sitive. Example (displays current SNMP contact person data): CFG> get SNMP_SYSCONTACT SNMP_SYSCONTACT=admin@1234.com set ...

  • ZyXEL ES-305 - page 104

    Appendix E Comm and Interpreter ES-305 User’s Guide 104 net show stat Displays network monitor information and statistics for transmitted and received packets. kmem Displays kernel memory statistics. route Displays routing tables and interface statistics. eth0 Displays informati on about the WA N port. eth1 Displays informati on about the LAN4 po ...

  • ZyXEL ES-305 - page 105

    Appendix E Co mma nd Interpreter ES-305 User’s Guide 105 os thread Use this command to see details and statistics of all threads currently runnin g on the ES-3 05. mem Use this command to see the total and a vailable memory on the ES-305 rst Use this command to reboo t the ES-305. Note that this command does not reset th e device to its default c ...

  • ZyXEL ES-305 - page 106

    Appendix E Comm and Interpreter ES-305 User’s Guide 106 ...

  • ZyXEL ES-305 - page 107

    ES-305 User’s Guide 107 A PPENDIX F Legal Information Copyright Copyright © 2007 by ZyXEL Communications Corporation. The contents of this publication may not be reprod uced in any part or as a whole, transcribed, stored in a retrieval system, tran slated into any language, or transmitted in any form or by any means, el ectronic, mechanical , ma ...

  • ZyXEL ES-305 - page 108

    Appendix F L egal Information ES-305 User’s Guide 108 FCC W arning This device has been tested and foun d to comply with the limits for a Class A digital switch, pursuant to Part 15 of the FCC Rules. Thes e limits are designed to provide reasonable protection against harmful interference in a co mmercial environment. Thi s device generates, uses, ...

  • ZyXEL ES-305 - page 109

    Appendix F Legal Information ES-305 User’s Guide 109 Note Repair or replacement, as provided under this warranty , is the exclusive remedy of the purchaser . This warranty is in lieu of all other warranties, express or implied, including any implied warranty of merchantability or fitness fo r a particular use or purpose. ZyXEL shall in no event b ...

  • ZyXEL ES-305 - page 110

    Appendix F L egal Information ES-305 User’s Guide 11 0 ...

  • ZyXEL ES-305 - page 111

    ES-305 User’s Guide 111 A PPENDIX G Customer Support Please have the following information r eady when you contact customer support. Required Information • Product model and serial number . • W arranty Information. • Date that you received your de vice. • Brief description of the problem and the steps you took to solv e it. Corporate Head ...

  • ZyXEL ES-305 - page 112

    Appendix G Custo mer Support ES-305 User’s Guide 11 2 Denmark • Support E-mail: support@zyxel.dk • Sales E-mail: sales@zyxel.dk • T elephone: +45-39-55-07-00 • Fax: +45-39-55-07-07 • W eb Site: www .zyxel.dk • Re g u la r Ma i l : ZyXEL Communications A/ S, Columbusvej, 2860 Soebor g, Denmark Finland • Support E-mail: support@zyxel. ...

  • ZyXEL ES-305 - page 113

    Appendix G Custome r Support ES-305 User’s Guide 11 3 • T elephone: +7-3272-590-698 • Fax: +7-327 2-590-689 • W eb Site: www .zyxel.kz • Re g u l ar M ai l : ZyXEL Kaza khstan, 43, Dostyk ave.,Office 414, Dost yk Business Centre, 050010, Almaty , Republic of Kazakhstan North America • Support E-mail: support@zyxel.com • Sales E-mail: ...

  • ZyXEL ES-305 - page 114

    Appendix G Custo mer Support ES-305 User’s Guide 11 4 • W eb Site: www .zyxel.es • Re g ul a r M a i l: ZyXEL Communications, Arte, 21 5ª planta, 28033 Madr id, Spain Sweden • Support E-mail: support@zyxel.se • Sales E-mail: sales@zyxel.se • T elephone: +46-31-744-7700 • Fax: +46-31-744-7701 • W eb Site: www .zyxel.se • Re g ul a ...

  • ZyXEL ES-305 - page 115

    Index ES-305 User’s Guide 11 5 Index A administrator settings 47 alternative subnet mask notation 93 B back up settings 50 bandwidth control 70 blocking 55 boot code version 45 bridging 70 C certifications 107 , 10 8 notices 108 viewing 108 CFI (Canonical Fo rmat Indicator) 53 Class of Service (CoS) 54 code point 54 command interface 21 configura ...

  • ZyXEL ES-305 - page 116

    Index ES-305 User’s Guide 11 6 L LAN settings 45 layer 2 features 70 LEDs 22 M MAC address 45 management information 45 Management Information Base (MIB) 72 management VLAN 54 , 56 managing the device good habits 22 using FTP . See FT P . using SNMP . See SNMP . using T elnet. See command interface. using the command interface. See command interf ...

  • ZyXEL ES-305 - page 117

    Index ES-305 User’s Guide 11 7 U user name 47 V VID 27 , 53 , 56 number of possible VIDs 53 priority frame 53 VID (VLAN Identifier) 53 virtual netw orks 27 VLAN 27 , 53 , 56 , 70 ID 53 tagged 53 VLAN group settings 27 , 55 W warranty 108 note 109 web configurator 21 , 25 , 26 overview 25 ...

  • ZyXEL ES-305 - page 118

    Index ES-305 User’s Guide 11 8 ...

Manufacturer ZyXEL Category Router

Documents that we receive from a manufacturer of a ZyXEL ES-305 can be divided into several groups. They are, among others:
- ZyXEL technical drawings
- ES-305 manuals
- ZyXEL product data sheets
- information booklets
- or energy labels ZyXEL ES-305
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 ZyXEL ES-305.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals ZyXEL ES-305, service manual, brief instructions and user manuals ZyXEL ES-305. 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 ZyXEL ES-305.

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A complete manual for the device ZyXEL ES-305, 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 ZyXEL ES-305 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of ZyXEL ES-305.

A complete ZyXEL 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 ZyXEL ES-305 - 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 ZyXEL ES-305, 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 ZyXEL ES-305, that we can find in the current document
3. Tips how to use the basic functions of the device ZyXEL ES-305 - which should help us in our first steps of using ZyXEL ES-305
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with ZyXEL ES-305
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of ZyXEL ES-305 in a specific country, if it was not possible to solve the problem on our own.

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