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Страница 1: ...H3C MSR 20 Series Routers Installation Manual v1 00 MSR 20 20 MSR 20 21 MSR 20 40 BOM 3104A10S www 3Com com Part Number 10016319 Rev AA August 2007 ...

Страница 2: ...y as provided in DFAR 252 227 7015 Nov 1995 or FAR 52 227 14 June 1987 whichever is applicable You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or delivered to you in conjunction with this User Guide Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in ...

Страница 3: ...o date user documentation and operating software for the MSR 20 Series router point your web browser to www 3Com com and select the Support and Registration link Please note that you must register your router to receive software upgrades To register point your web browser to eSupport 3Com com Español Una versión en español de esta guía se encuentra disponible en nuestra página Web Visite www 3Com ...

Страница 4: ...4 GET THE LATEST DOCUMENTATION AND SOFTWARE FOR YOUR H3C ROUTER ...

Страница 5: ...alling the Router 22 Installing Generic Modules 24 Connecting the PGND Wire 24 Connecting the Power Cord 25 Connecting the Console Terminal 26 Fixed Interfaces 27 Interface Card Module 30 Installation and Uninstall of the Slide Rail on MSR 20 40 Router 30 Verifying Installation 31 4 STARTUP AND CONFIGURATION Startup 33 Configuration Fundamentals 37 5 SOFTWARE MAINTENANCE Introduction 41 BootROM Me...

Страница 6: ...g with Router Password Loss 61 Backing up and Restoring BootROM 62 6 HARDWARE MAINTENANCE Preparing Tools 63 Opening Closing Chassis Cover 63 Internal Structure 65 Installing Removing CF Card 66 Replacing Memory Bar 67 Installing Removing ESM VCPM Card 69 7 TROUBLESHOOTING Troubleshooting the Power System 71 Troubleshooting the Configuration System 71 Troubleshooting Application Software Upgrade 7...

Страница 7: ... 1 lists icon conventions that are used throughout this guide Table 2 lists text conventions that are used throughout this guide Table 1 Notice Icons Icon Notice Type Description n Information note Information that describes important features or instructions c Caution Information that alerts you to potential loss of data or potential damage to an application system or device w Warning Information...

Страница 8: ...nterface Card and Interface Module Manual Covers the pinouts function interface attributes panels and LEDs of all interface cards and modules available with the router LMR Series Routers Cable Manual Describes the pinouts of the cables available for LMR series routers Release Notes Contains the latest information about your product If information in this guide differs from information in the relea...

Страница 9: ... AC powered units Currently the H3C MSR 20 series includes the following models MSR 20 20 MSR 20 21 MSR 20 40 Router Model and Structure The H3C MSR 20 Series Routers include MSR 20 20 MSR 20 21 and MSR 20 40 These three models are similar in chassis structure and layout All of them can be put on the tabletop and can be mounted in 19 inch standard racks The following subsections will give you more...

Страница 10: ... 20 40 Processor PowerPC PowerPC PowerPC BootROM 4 MB 4 MB 4 MB Memory SDRAM Default 128 MB Max 384 MB SDRAM Default 128 MB Max 384 MB SDRAM Default 128 MB Max 384 MB CF Flash Default 256 MB Max 1 GB Default 256 MB Max 1 GB Default 256 MB Max 1 GB Table 4 Other specifications description of H3C MSR 20 20 20 21 20 40 Routers Item MSR 20 20 Description MSR 20 21 Description MSR 20 40 Description Dim...

Страница 11: ... switch 6 Fixed Ethernet port0 LAN0 7 Fixed Ethernet interface 1 LAN1 8 Console port CON 9 Auxiliary port AUX 10 USB interface 11 CF card LED 12 CF card interface Table 5 Front panel LEDs description of MSR 20 20 router LED Description PWR Power LED ON means power is on OFF means power is off SYS System operating LED Green and fast blinking means the system is booting Green and slow blinking means...

Страница 12: ...o link is present ON means a link is present ACT OFF means no data is being transmitted or received Blinking means data is being transmitted or received CF Steady green means a CF card is present Green and blinking means the CF card is reading writing data To prevent data corruption do not remove the running CF card Steady yellow means the present CF card is malfunctioning Steady OFF means no CF c...

Страница 13: ... blinking means the system is malfunctioning Steady OFF means the system does not operate normally ESM ESM module LED Green and slow blinking means the system is booting Steady green means ESM card is operation normally Steady yellow means ESM card is malfunctioning Steady OFF means no ESM card is present Table 8 The rear panel LEDs of H3C MSR 20 21 Router LED Description LINK OFF means no link is...

Страница 14: ...xiliary port AUX 5 USB interface 6 CF card 7 CF card LED 8 Power receptacle 9 Power switch 1 2 4 3 5 6 7 8 9 1 FE interface 0 2 FE interface 1 3 SIC slot1 4 SIC slot2 5 SIC slot3 6 SIC slot4 7 Grounding terminal 8 VCPM LED 9 VPM0 LED 10 VPM1 LED 11 ESM0 LED 12 ESM1 LED Table 9 Front panel LEDs description of H3C MSR 20 40 router LED Description PWR Power LED ON means the circuit board supplies pow...

Страница 15: ...outer Blinking green means the CF card is being accessed and cannot be removed Steady yellow means the CF card is in place but cannot be identified by the router OFF means no CF card is inserted or the CF card cannot be identified Table 10 Rear panel LEDs description of MSR 20 40 router LED Description LINK OFF means no link is present ON means a link is present ACT OFF means no data is being tran...

Страница 16: ...ption card the main control board functions to route IP packets and implement encryption enabled VPN while the encryption card functions to encrypt packets VPM and VCPM Module VPM Voice Processing Module functions to implement the encryption decryption EC and CNG of voices VCPM Voice Co Processing Module processes the voice data in combination with VPM Voice co processing module RT VCPM 8 channel ...

Страница 17: ... up aging process of the insulating materials and shorten the service life of the router The requirements on the temperature and humidity for MSR 20 Series are shown in the following table Requirements on Cleanness Dust is harmful to the safe operation of the Router Dust on the chassis may result in static absorption thus causing poor contact of the metal connection components or points Especially...

Страница 18: ...nd avoid contacting the devices on it Requirements on Electromagnetic Environments The interference sources no matter where they come from affect the routers with capacitance coupling inductance coupling radiation of electromagnetic wave common impedance including the grounding system or conducting line power line signal line and transmission line etc So the following should be considered Take eff...

Страница 19: ...dicates that this operation is incorrect and may seriously damage the router or endanger the operator Please follow the correct operation procedures for sake of safety c Caution It indicates that during the installation and usage of the router the operation needs attention If this operation is performed incorrectly it might affect the operation of the router When installing or working on the route...

Страница 20: ...nd power cord Console cable Optional cables Meters and equipment Hub or LAN switch Console terminal it could be a PC Equipment related to the selected modules Multimeter c CAUTION H3C MSR 20 series are not shipped with any installation tools meters or devices ...

Страница 21: ...ion Connect to the WAN Connect to the Ethernet Install multifunctional interface modules End Poweron Poweron Verify installation Connect to the console terminal Connect thepow er cord Connect PGND Start Mount the rack Normal NO YES Troubleshoot Install the FICs Turnoff thepower switch Turnoffthe powersw itch ...

Страница 22: ... the router Installing the Router on a Chassis Dimensions H3C MSR 20 Series Routers are designed for mounting in a 19 inch standard rack and on the tabletop The following table describes their dimensions Installation process Step 1 Check the grounding and stability of the rack Use the screws to fix the mounting ears at both sides of the front panel or the rear panel of the router Step 2 Put the ro...

Страница 23: ...Installing the Router 23 Figure 8 Installing H3C MSR 20 Series Router in a rack Figure 9 Installing ears on the rear panel of the H3C MSR 20 40 Series Router 1 Mounting ear 2 Guide 1 2 ...

Страница 24: ...ND The PGND wire must be well grounded so as to safely conduct the faradism and leaky electricity to the earth ground and thereby improve the capability of the whole device to guard against the electromagnetic interference This PGND wire can also protect the router against the lightning caused by the connection with the external network lines such as E1 T1 line ISDN PSTN line The grounding screw o...

Страница 25: ...g Still before connecting the AC input power cord you must make sure that the power supply of the building is well grounded Connecting the AC input power cord Step 1 Make sure that the PGND is securely connected to the earth ground Step 2 When the power switch of the router is in the OFF position insert one end of the power cord accompanying the router into the power socket on the chassis rear pan...

Страница 26: ...low these steps to connect the router to a console terminal Step 1 Select a console terminal It can be a standard ASCII terminal with an RS232 serial port or more commonly a PC Step 2 Connect the console cable Power down the router and the console terminal connect the RS232 serial port on the console terminal to the console port on the router through the console cable Verify the connection and pow...

Страница 27: ...es fit into the following two categories Standard cable also called straight through cable at both ends of which wires are crimped in the RJ 45 connectors in the same sequence The cable connects different categories of devices such as a terminal device PC for example or router to a Hub or LAN switch The cable accompanying the router is standard cable Crossover cable at both ends of which wires are...

Страница 28: ...y network adapters MDIX is crossover media dependent interface which is commonly found on a Hub or LAN switch Ethernet cable Ethernet interfaces usually use category 5 twisted pair cables as shown in the following figure Figure 14 Ethernet cable Ethernet cables fit into the following two categories Standard cable also called straight through cable at both ends of which wires are crimped in the RJ ...

Страница 29: ... AUX port AUX is an RS232 asynchronous serial interface which can back up a WAN interface and provide dial connection In case of console failure AUX can function as a console interface AUX cable AUX cable is an eight wire shielded cable At one end of the cable is an RJ 45 connector for connecting the console port on the router At the other end are DB 9 male connector and DB 25 male connector You c...

Страница 30: ...s are available with various types of interface card modules For detailed information refer to H3C MSR 20 30 50 Series Routers Interface Card and Interface Module Manual Installation and Uninstall of the Slide Rail on MSR 20 40 Router Slide Rail SIC slide rail Figure 16 SIC slide rail Installing the Slide Rail Figure 17 Install the slide rail Figure 18 Fix the slide rail ...

Страница 31: ...he router for heat dissipation and whether the workbench is stable enough Whether the power supply that the power cord connects to is compliant with that required by the router Whether the PGND wire of the router is correctly connected Whether the router is correctly connected to other devices such as the console terminal c CAUTION The check after installation is very important The stability groun...

Страница 32: ...32 CHAPTER 3 INSTALLATION ...

Страница 33: ...ation environment RJ 45 connector of the console cable needs to be connected to the console port on the router and DB 9 connector to the serial interface of a PC as shown in the following figure Figure 21 Local configuration through Console port Setting the parameters for console terminal 1 Opening the console terminal and setting up a new connection Select the serial interface to be connected in ...

Страница 34: ...ing terminal parameters As shown in the following figure in the properties dialog box of the serial interface set the baud rate to 9600 data bit to 8 no parity check stop bit to 1 and flow control to none Then click OK to return to the HyperTerminal window Figure 23 Setting serial interface parameters 3 Set HyperTerminal properties Select FilePropertiesSettings in the HyperTerminal to enter the pr...

Страница 35: ...sole cable is correctly connected whether the PC or terminal for configuration is open and whether the settings are done Whether the CF card is loosed w WARNING Before powering on the router the user should be aware where the switch of the power supply to the router is located so that the power supply can be disconnected in time once accidents occur Powering on the router Turn on the site power Tu...

Страница 36: ...nd the system will enter the basic BootROM menu Otherwise the system will enter the program decompression process of the extended BootROM segment n The system enters the basic BootROM menu only if Ctrl D is pressed immediately within 3 seconds after the statement Press CTRL D to stop auto boot appears otherwise the system will enter the extended BootROM decompression process Booting Normal Extend ...

Страница 37: ...75bd0 DRV_Time_GetTimeZone return 1 DRV_Time_SetTimeZone return 1 id 0x70000 proc 0xd96bfc User interface con0 is available Press ENTER or ACTIVATION KEY to get started Press Enter and the screen will display H3C This prompt indicates that the router has entered the user view and now the router can be configured Configuration Fundamentals In general the configuration steps are as follows Step 1 Be...

Страница 38: ...n commands which can be used to configure and manage the router The command line interface has the following characteristics Performs the local configuration through Console port Performs the local or remote configuration through telnet command which can be used to directly log on and manage other routers Users can enter anytime to get online help Provides network diagnostic tools such as Tracert ...

Страница 39: ...ronous port The following describes how these interfaces are numbered Figure 25 Slot arrangement on the MSR 20 20 Figure 26 Slot arrangement on the MSR 20 21 Figure 27 Slot arrangement on the MSR 20 40 Interface numbering The MSR 20 Series Router interface adopts two dimension numbering rules shown in the following 1 Slot0 2 Slot1 3 Slot2 1 Slot0 2 Slot1 3 Slot2 1 Slot0 2 Slot1 3 Slot2 4 Slot3 5 S...

Страница 40: ...umber X For every interface Y starts from 0 and Y indicates the interface sequence on the interface module from left to right If you install an SIC 1FEA and an SIC 4FSW respectively in SLOT1 and SLOT2 on the AR MSR 20 20 the Ethernet interfaces are numbered as follows Fixed Ethernet interfaces are Ethernet 0 0 and Ethernet 0 1 The Ethernet interface on the SIC 1FE is Ethernet 1 0 The Ethernet inte...

Страница 41: ...ve another M or B file If you change the file type of another file to B the M B file becomes a type M file You can modify the file name of an application file in CF card using the command after it boots You cannot modify the file type of a type S application image file but you can modify the file type of type M B and N application program files in the BootROM menu or using commands after the appli...

Страница 42: ... change the file type of another file to B the M B file becomes a type M file c CAUTION The file name cannot be longer than 64 characters including drive letter and a string terminator If the drive letter is CF the file name can be at most 64 1 4 59 characters in length or errors will occur in file operation Typically the file name is recommended to be not more than 16 characters The extension ASC...

Страница 43: ...graded through binding with the Comware version You do not need to upgrade it separately The system automatically upgrades BootROM to be the latest version while upgrading Comware Check the current version of BootROM and application program before upgrading For the association between Comware version and BootROM program see the corresponding Release Notes Figure 28 Upgrade BootROM and Comware unde...

Страница 44: ... the system prompts system start booting Version 2 11 Press CTRL D to stop auto boot Booting Normal Extend BootRom Decompressing done Ensure the baudrate is set to 9600bps Starting at 0xa00000 H3C MSR20 21 BOOTROM Version 2 11 Copyright c 2004 2007 Hangzhou H3C Technologies Co Ltd Compiled date Apr 09 2007 08 52 28 CPU type MPC8248 CPU L1 Cache 16KB CPU Clock Speed 400MHz Memory Type SDRAM Memory ...

Страница 45: ... serial submenu SERIAL SUB MENU Note the operating device is CF Card 1 Download Application Program To SDRAM And Run 2 Update Main Application File 3 Update Backup Application File Table 22 Main BootROM menu Menu item Description 1 Boot From CF Card Boot from the CF card 2 Enter Serial SubMenu Enter serial submenu Refer to Enter serial submenu on page 45 or details 3 Enter Ethernet SubMenu Enter E...

Страница 46: ... type in memory modify file name and delete files The prompt is shown below Table 23 BootROM serial submenu Menu item Description 1 Download Application Program To SDRAM And Run Download the application program to SDRAM and run it 2 Update Main Application File Upgrade the main application file 3 Update Backup Application File Upgrade the backup application file 4 Update Secure Application File Up...

Страница 47: ...Extended Basic BootRom they are the same file Enter your choice 1 6 The submenu is defined as follows Table 25 File control submenu Menu item Description 1 Display All File Display all files 2 Set Application File type Set application file type 3 Set Configuration File type Set configuration file type 4 Delete File Delete files 5 Exit To Main Menu Exit to the main BootROM menu Table 26 BootROM ope...

Страница 48: ...SET Note Change The HyperTerminal s Baudrate Accordingly Press Enter to exit with things untouched Baudrate Available 1 9600 Default 2 19200 3 38400 4 57600 5 115200 6 Exit Enter Your Choice 1 6 Select a baud rate 5 for 115200 bps for example The following prompt appears Change the baudrate on PC side first Since the router serial baud rate is modified to 115200 bps whereas the terminal baud rate ...

Страница 49: ...estore the baud rate in the HyperTerminal to 9600 bps the default after upgrading the BootROM This is to ensure that information can be displayed on the console screen after system boot or reboot Upgrading BootROM First enter 7 in the main BootROM menu refer to Main BootROM Menu on page 43 to enter the BootROM operation submenu under which all BootROM operations are completed Refer to BootROM oper...

Страница 50: ... up Figure 32 Send File dialog box In the displayed Send file dialog box click Browse to select the application program file to be downloaded and select XModem for the Protocol field Then click Send The following interface appears Figure 33 Sending File interface After completing download the following information appears on terminal interface to indicate download and upgrade success Download succ...

Страница 51: ... Upgrading BootROM on page 49 for details n Generally an application program is more than 10M in size Even if the baud rate is changed to 115200 bps the upgrading takes about 30 minutes Therefore it is recommended you upgrade through Ethernet interface UpgradingApplication Program Through Ethernet Interface Enter 3 under the main BootROM menu to enter the Ethernet interface submenu Refer to Enter ...

Страница 52: ...e the reset IP address Do not modify the device name of the router otherwise the system prompts Boot device should not be modified and skips to the next configuration item Only FE0 port can be used in MSR 20 router and GE0 port in MSR 30 and MSR 50 routers Upgrading Application Program Through Ethernet Interface TFTP Trivial File Transfer Protocol is a protocol of the TCP IP suit that is used to t...

Страница 53: ...fter the download is done input the file name and begin to update Updating File main bin Update Success Step 4 Enter 6 to exit to the main BootROM menu Enter 1 to boot from the CF card Step 5 Set the updated application program to be the main boot file i e the default boot file of the system Application program does not exist Now starting to download application program EXTEND BOOTROM MENU 1 Boot ...

Страница 54: ...n memory is sufficient Or the system prompts insufficient space Updating File main bin Insufficient CF Card space or failed device writing operation The file updated will directly replace the original file of this type to become the only application program The main bin file downloaded here will replace the original M file directly to become the main boot program Refer to Files on page 41 for deta...

Страница 55: ...uilding perform the following operations View the files included in current file system with the dir command H3C dir Directory of cf 0 rw 14323376 Apr 03 2006 15 36 48 main bin 1 drw Mar 20 2006 09 55 28 logfile 2 rw 909 Apr 04 2006 10 54 38 configbak cfg 3 rw 1045 Apr 04 2006 11 31 36 config cfg 4 rw 14323376 Mar 31 2006 17 50 22 backup bin 63340 KB total 20928 KB free File system type of cf FAT3...

Страница 56: ...ication layer protocol in the TCP IP suit It mainly transfers files among remote hosts Born over TCP it provides reliable and connection oriented data transfer service but does not provide access authorization and authentication mechanism The FTP service provided by the router is FTP Server that is to say the router serves as the FTP Server You can run FTP Client to log onto the router and access ...

Страница 57: ...strator ftp ftp The system prompts ftp ftp open 192 168 0 2 Connected to the router IP Connected to 192 168 0 2 220 FTP service ready User 192 168 0 2 none guest Enter the user name configured on the router 331 Password required for guest Password Enter the password 123456 230 User logged in Successfully connected to the server Now we can use the following command to perform maintenance of the rou...

Страница 58: ... to the console port as follow H3C ftp 192 168 0 1 Trying 192 168 0 1 Press CTRL K to abort Connected to 192 168 0 1 220 3Com 3CDaemon FTP Server Version 2 0 User 192 168 0 1 none guest Enter the user name configured on the router 331 User name ok need password Password Enter the corresponding password 230 User logged in Connect successfully ftp Use the command as follows to maintain the router He...

Страница 59: ...14323376 Mar 23 2006 11 47 cf main bin 1 14144592 Mar 17 2006 19 39 cf d13 bin 2 935 Mar 23 2006 15 39 cf config cfg 3 160 Mar 20 2006 09 55 cf private data txt 4 14323456 Mar 25 2006 10 38 cf secure bin 5 238664 Mar 27 2006 10 50 cf logfile logfile log Set application file type Enter 2 under the file control submenu to enter the set application file type menu Please set application file type in c...

Страница 60: ...mplete file name press ENTER and then the system prompts to modify the file type Enter File Name cf router cfg Modify this file Attribute 1 Main 2 Main 3 Backup 4 Backup 5 Exit Enter your choice 1 5 You can set the operation file to the types of M Cancel M B and Cancel B by entering 1 4 Refer to Configuration file on page 41 for details Delete files Enter 4 under the file control submenu to delete...

Страница 61: ...ew password under the system view after rebooting H3C user interface console 0 H3C ui console0 authentication mode password H3C ui console0 set authentication password simple 123456 This indicates that the password authentication is adopted at the Console port and the password is set to 123456 and stored in plain text n After rebooting the system runs with the initial default configuration The ori...

Страница 62: ...m the operations requiring higher right Enter 8 under the main BootROM menu to clear the Super Password Select this option quit the menu and reboot the router You can directly enter the system view Only after the first rebooting will the setting take effect the Super Password restores after the second rebooting Backing up and Restoring BootROM Enter 7 under the main BootROM menu to enter the BootR...

Страница 63: ...es on the back panel keep the ground cable connected Step 3 Put the router on level ground and have the back panel face you Loosen the captive screws fastening the back panel with Phillips screwdriver Step 4 Put two straight screwdrivers into the holes on the two sides of the chassis and turn them until the tab on the front edge is separated from the front panel Step 5 Drag the chassis levelly a l...

Страница 64: ...open the chassis yourself but with permission of your sales agent and must operate following the related rules The company is not liable for any damage or consequence resulted from users operation without permission Do not replace the hardware unless necessary and under the guidance of technical staff Ensure that no electricity is present before servicing the device to avoid bodily injuries Wear a...

Страница 65: ...re of MSR 20 20 20 21 Figure 43 Internal structure of MSR 20 40 1 Power module 2 Memory bar slot 3 ESM slot 4 Fan module 5 SIC slot1 6 SIC slot2 1 Power module 2 CF card slot 3 SDRAM slot 4 ESM slot0 5 ESM slot1 6 SIC slot 7 Fan 8 VCPM slot 1 2 4 5 3 5 4 3 2 1 9 8 7 6 ...

Страница 66: ... outside force Figure 45 Press the CF card into the slot n Make sure the CF card with correct application program is properly installed in the slot or the system cannot boot Removing CF Card Remove the CF card following these steps Step 1 Check the CF card LED to make sure it is not blinking and then proceed Step 2 Press the spring button to release the internal spring clip making the card out of ...

Страница 67: ...o do that in the following situations More memory is required for the updated application program maintaining a large routing table or processing tasks that consume large memory The existing memory bar is damaged c CAUTION Hold the memory bar by its edge and avoid touching the components on its surface An improper operation might result in damage End Locate the memory bar on the main board Remove ...

Страница 68: ...r structure Installing Removing Memory Bar Follow the steps below to install the memory bar Step 1 Make sure all power interfaces are shut down and then proceed Step 2 Align the memory bar golden finger with the slot on the main board Step 3 Make the memory bar to form an angle of 45 degrees with the main board and insert it into the slot Step 4 Press the memory bar vertically until you hear a cli...

Страница 69: ...nd pull outwards levelly until the memory bar separates with the spring clips and forms an angle of 45 degrees with the main board Step 3 Remove the memory bar Figure 51 Remove memory bar from the slot Installing Removing ESM VCPM Card Follow the steps below to install the ESM VCPM card Step 1 Make sure all power interfaces are shut down and then proceed Step 2 Open the chassis cover refer to Open...

Страница 70: ... and press down vertically to install the card on the board Then align the screw eye with the card bracket Step 5 Fasten the card on the bracket with dedicated screws making sure the card is level and firm Step 6 Install the cover and power it on Figure 52 Install card bracket Figure 53 Fasten the card on the bracket with screws n Perform the steps inversely to remove the card ...

Страница 71: ... console screen displays the startup banner if faults occur to the configuration system the console screen displays nothing or only illegible characters Symptom 1 After the router is powered on the console screen displays nothing Solution Step 1 Check that The power system is normal The console cable is correctly connected Step 2 Check the console cable and the terminal HyperTerminal for example s...

Страница 72: ... Loading Done 0 bytes downloaded Something wrong with the file Solution Fault occurs because the source file does not exist the network cable is not connected or the IP address of the PC is incorrect Make sure that the source file is in the TFTP root directory the cable is connected securely and the IP address is set correctly Symptom 2 When upgrading the software using TFTP the system displays bo...

Страница 73: ...m file n The bar code labels on the chassis and the FICs contain information about production and servicing Before you ask your agent for servicing provide its bar code If you do not set the parameters such as the host name and gateway they will not be displayed when you upgrade the router Therefore the terminal display will be different from the above symptoms ...

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