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Installation Manual
H3C AR 18-22-24 Router

Chapter 4 Installation

Troubleshooting

4-1

Chapter 4 Installation Troubleshooting

4.1 Troubleshooting the Power Supply

1) Symptom

The Power LED is OFF.

2) Solution

Please check

If the router power switch is turned on.

If the site power supply is turned on.

If the power cord is properly connected.

If the required power supply is used.

Caution:

Never hot swap the power cord. If the Power LED remains OFF after

these checkups, please contact the agent.

4.2 Troubleshooting the Console Terminal

If everything is OK, the console terminal shall display booting

information on the screen after the router is powered on. Otherwise,

the console terminal may display nothing or illegible characters.

Summary of Contents for AR 18-22-24

Page 1: ...cting the Ground Wire 2 4 2 4 Connecting the Power Cord 2 4 2 5 Connecting the Router to a Console Terminal 2 6 2 6 Connecting the Router to LAN 2 7 2 7 Verifying Installation 2 9 Chapter 3 Configuring and Maintaining the Router 3 1 3 1 Configuring the Router 3 1 3 1 1 Setting up Configuration Environment 3 1 3 1 2 Powering On the Router 3 5 3 2 Maintaining the Router 3 6 3 2 1 Boot Menu 3 6 3 2 2...

Page 2: ...le of Contents ii 3 2 5 Upgrading the Application Program through Networks 3 19 Chapter 4 Installation Troubleshooting 4 1 4 1 Troubleshooting the Power Supply 4 1 4 2 Troubleshooting the Console Terminal 4 1 4 3 Handling Lost Boot Rom Password 4 3 ...

Page 3: ...MB and Flash memory of 8MB AR 18 22 24 provides the fixed interfaces two 10 100 Mbps WAN interfaces 24 10 100 Mbps LAN interfaces and one console port AR 18 22 24 supports diverse VPN services such as L2TP VPN IPSec VPN GRE VPN and Huawei dynamic VPN It can access remote users in tunnel mode following specific customer needs and set up Internet Intranet Access and other types of VPNs AR 18 22 24 s...

Page 4: ... 5 6 1 Power LED PWR 2 LAN LEDs LAN1 LAN24 3 WAN LED WAN0 WAN1 4 LAN interfaces LAN1 LAN24 5 WAN interface WAN0 6 WAN interface WAN1 7 Console port CONSOLE Figure 1 1 AR 18 22 24 front panel 1 2 3 4 5 1 2 3 4 5 1 Screw hole 2 Air exhaust 3 Power socket 4 Grounding screw 5 Power switch Figure 1 2 AR 18 22 24 rear panel ...

Page 5: ... 10 100 Mbps LAN interfaces Flash 8 MB SDRAM 64 MB Dimensions H W D 42 435 205 mm 1 7 17 1 8 1 in Weight 3 0 kg 6 6 lb Power supply Rated voltage range 100VAC to 240VAC 50 or 60 Hz Maximum tolerance 90VAC to 264VAC 50 or 60 Hz Power consumption 30W Operating temperature 0 C to 40 C 32 F to 104 F Operating humidity noncondensing 10 to 90 III LEDs AR18 22 24 provides 51 LEDs on its front panel See t...

Page 6: ...n 10 Mbps mode LAN1 LAN24 SPEED ON The link is in 10 Mbps mode OFF The router is powered off PWR ON The router is powered on OFF No link is present ON A link is present WAN0 WAN1 Blinking Packets are transmitted or received on the interface IV Interface attributes AR 18 22 24 provides 24 10 100 Mbps LAN interfaces two 10 100 Mbps WAN interfaces and one console port 1 Console port Table 1 3 Attribu...

Page 7: ...the serial port on a local PC and running emulation program on the PC As command line interface CLI 2 Ethernet interfaces Table 1 4 Attributes of Ethernet interfaces Attribute 10 100BASE Tx WAN interface 10 100BASE Tx LAN interface Connector RJ 45 Interface type MDI MDIX auto sensing Operating mode 10 100 Mbps auto negotiation Full half duplex 10 100 Mbps auto negotiation Full half duplex Only Lay...

Page 8: ...d high frequency devices Use electromagnetic shielding if necessary z Do not place the router on an unstable table or platform z Make sure that the rack workbench has a good ventilation system and is properly grounded z Wear an ESD preventive wrist strap during installation making sure that it has good skin contact z Reserve adequate clearance at the air inlet and exhaust ports for proper ventilat...

Page 9: ...obtain the permission of your sales agent z Correctly connect the interface cables z Do not hot swap any cable 2 2 Installing the Router You can place your router on a sturdy tabletop or workbench or mount it in a rack 2 2 1 Placing the Router on a Tabletop Workbench When placing the router on a tabletop or workbench z Make sure that the tabletop or workbench is sturdy enough z Allow 10 cm 3 9 in ...

Page 10: ...tep 2 Put the router in a rack tray Depending on the actual situation slide the router along the chassis guides to an appropriate place Step 3 Fasten the mounting ears with the recess screws to secure the router in the rack horizontally and firmly The specifications of recess screws should satisfy the installation requirements and the surface of the screws should be anti rust 1 Mounting ear 2 Guid...

Page 11: ... the connected device from getting damaged during periods of lightning activities The grounding screw of the chassis is located on the rear panel Connect this screw to the earth ground with a ground wire The grounding resistance must not be greater than 5 ohm 2 4 Connecting the Power Cord I AC input power supply The required AC input voltage range 100 VAC to 240 VAC 50 60 Hz The AC input power soc...

Page 12: ...ring Make sure that the building ground is OK before connecting the AC power cord III Connecting the AC input power cord Step 1 Make sure that the grounding screw of the router has been connected to the earth ground Step 2 Put the power switch of the router in OFF position Connect the output of the power supply to the power input on the rear panel of the router and then insert the input connector ...

Page 13: ...r to a console terminal Step 1 Select a console terminal The console terminal can be either a standard ASCII terminal with an RS 232 serial interface or more commonly a PC Step 2 Connect the console cable Power off the router and the console terminal and then connect the RS 232 serial port on the console terminal to the console port on the router using the console cable Verify the connection and p...

Page 14: ...ernet cables fit into two categories straight through and crossover z Straight through cable The wires at both ends are crimped in the same sequence in the RJ 45 connectors The cable is used for connecting different types of devices such as a terminal device PC for example or router to a Hub or LAN switch z Crossover cable The wires at both ends are crimped in different sequence in the RJ 45 conne...

Page 15: ...Ethernet cable Caution Observe carefully the mark above the port before making connection to make sure it is the right port The 10 100BASE Tx interfaces on AR 18 22 24 support auto MDI MDIX so you can use either the straight through cable or crossover cable to connect a PC router HUB or LAN switch z Connect the cable to the Ethernet port on the router z Connect the other end of the cable to the pe...

Page 16: ... 2 Product Installation 2 9 2 7 Verifying Installation After you complete installation verify that z The required power supply is used z The ground wire of the router is correctly connected z The console cable and the power cord are correctly connected ...

Page 17: ...outer and the DB9 connector to the serial port on the console terminal a PC for example as shown in Figure 3 1 PC Router Console cable To console port t Figure 3 1 Local configuration through the console por II Setting up the console terminal Step 1 Start the console terminal and create a new connection Run on the terminal the emulation the Terminal on Windows3 1 the HyperTerminal on Windows95 Win...

Page 18: ...24 Router 3 2 Figure 3 2 Create a new connection Step 2 Define terminal parameters using the HyperTerminal on Windows98 as an example 1 Select the serial port to be used from the Connect using drop down list The serial port must be the port physically connected with the console cable ...

Page 19: ...H3C AR 18 22 24 Router 3 3 Figure 3 3 Choose connection port 2 Define port parameter In the page as shown in Figure 3 4 make these settings z Bits per second 9600 z Data bits 8 z Parity None z Stop bits 1 z Flow control None Click OK to return to the HyperTerminal window ...

Page 20: ...ining the Router H3C AR 18 22 24 Router 3 4 Figure 3 4 Define port parameters 3 Set emulation type Choose Properties Settings to enter the corresponding page and select the emulation as VT100 or Auto detect Click OK to return to the HyperTerminal window ...

Page 21: ...r H3C AR 18 22 24 Router 3 5 Figure 3 5 Set emulation type 3 1 2 Powering On the Router After the router is powered on the Boot Rom program runs first and the following system information appears on the terminal screen Router starts booting V2 00 Starting at 0x1500000 ...

Page 22: ...1 0 Press Ctrl B to enter Boot Menu System is self decompressing OK System is starting Starting at 0x10000 Press Enter and the screen displays providing that no login authentication is set H3C Now the router has entered the user view and is ready for your configuration 3 2 Maintaining the Router 3 2 1 Boot Menu Start the router When the prompt Press Ctrl B to enter Boot Menu appears on the termina...

Page 23: ...rrect password and press Enter If no Boot Rom password is configured just press Enter The system accesses the Boot menu as follows Boot Menu 1 Download application program with XMODEM 2 Download application program with NET 3 Start up and ignore configuration 4 Enter debugging environment 5 Boot Rom Operation Menu 6 Do not check the version of the software 7 Exit and reboot Enter your choice 1 7 1...

Page 24: ...ng information is prompted for this option Change Boot Parameter clear field go to previous field D quit boot device fei0 processor number 0 host name 8040 file name M8240ram arj inet on ethernet e 169 254 10 10 inet on backplane b host inet h 169 254 10 11 gateway inet g user u 8040 ftp password pw blank use rsh flags f 0x0 target name tn startup script s other o Note You just enter the new param...

Page 25: ...oftware Upgrade the software of your AR 18 22 24 with the assistance of technicians and when absolutely needed Make sure the version of the Boot Rom matches that of the application 3 When selecting the Boot Rom Operation Menu option the screen displays Boot Rom Download Menu 1 Download Boot ROM with XModem 2 Download Extended Segment of Boot Rom with XModem 3 Restore Extended Segment of Boot Rom f...

Page 26: ...option however works only once the system checks software version all the same at reboot 3 2 2 Upgrading Software through XModem When upgrading software through XModem you can simply use the console port without building up another configuration environment I Upgrading the application program Step 1 Enter Boot menu and press 1 The following download speeds are available with the router Downloading...

Page 27: ...speed 115200 bps in this example After that select Dial in Disconnect and then Dial in Dialing to disconnect and reconnect the terminal Press Enter to start downloading During course of downloading the console screen displays Downloading CCCCC Note To validate the new baud rate setting on the console terminal you must disconnect and then reconnect the terminal emulation program Step 4 Select Trans...

Page 28: ...file to be downloaded and then select XModem from the Protocol drop down list Then click Send The following interface pops up Figure 3 7 Sending file interface Step 6 After completing the downloading the system begins writing to Flash memory You will be prompted with the following message when the writing process finishes Download completed Writing to flash memory Please wait it needs a long time ...

Page 29: ...Step 2 Select 1 in the menu to download the Boot Rom program through XModem The subsequent steps are the same as those described in the Upgrading the application program section Caution Failures during upgrading the entire Boot Rom cannot be recovered on site so upgrade the entire Boot Rom with the assistance of a technician when absolutely needed III Upgrading the extended segment of the Boot Rom...

Page 30: ... Boot Rom Program I Backing up the extended segment to Flash memory Follow these steps to back up the extended segment of the Boot Rom program Step 1 Enter the Boot menu and then select 5 to enter the Boot Rom download menu Step 2 Select 4 in Boot Rom download menu to back up the extended segment of the Boot Rom program in use to Flash memory For a successful backup the console screen displays Wri...

Page 31: ...ole screen displays Writing to Boot Rom Please wait Restoring Boot Rom program successed Step 3 When Boot Rom download menu appears again select 5 to exit and reboot the router 3 2 4 Upgrading Boot ROM at CLI After the router starts normally you can upgrade and back up application programs and backup and restore the configuration at the command line interface CLI I Upgrading Boot ROM Through TFTP ...

Page 32: ...iffer Figure 3 8 TFTP server program interface 3 Configure the router to download the Boot ROM upgrade file from the TFTP server H3C tftp 1 1 1 1 get bootromfull As shown in the above display 1 1 1 1 is the IP address of the TFTP server and bootromfull is the Boot ROM upgrade file 4 Execute the following command on the router to upgrade Boot ROM H3C system view H3C upgrade bootrom full ...

Page 33: ...e current Boot ROM version or directly enter the Boot ROM menu so as to verify the upgrade operation II Upgrading Boot ROM Through FTP 1 Connect the FTP server to the router on which Boot ROM is to be upgraded so that they can communicate with each other An FTP server is a device running the FTP server program 2 Specify the path on the FTP server to the folder that contains the Boot ROM upgrade fi...

Page 34: ...t ROM upgrade file from the FTP server H3C ftp 1 1 1 1 Trying 1 1 1 1 Press CTRL K to abort Connected to 1 1 1 1 220 3Com 3CDaemon FTP Server Version 2 0 User 1 1 1 1 none guest Enter the username configured on the FTP server 331 User name ok need password Password Enter the corresponding password 230 User logged in The connection is established successfully ftp get bootromfull ...

Page 35: ...he upgrade succeeds 5 After the upgrade operation is complete restart the router so that the upgrade made to the Boot ROM takes effect After the router is restarted you can use the display version command to display the current Boot ROM version or directly enter the Boot ROM menu so as to verify the upgrade operation 3 2 5 Upgrading the Application Program through Networks When downloading applica...

Page 36: ...ver or FTP server on the PC connected to the Ethernet interface on the router and set the path for getting the source file User name and password are required for the FTP server 2 Enter the Net port download menu In Boot menu select 3 to enter Net port download menu 3 Enter the Change Download Parameter page In Net port download menu select 1 to change the download parameters z In TFTP mode you ne...

Page 37: ...rd pw blank use rsh Password which must be consistent with that on the FTP server flags f You must enter 0x0 for FTP mode After you configure these parameters the system saves them automatically 4 The upgrading succeeds and the router reboots Press Enter and the system returns to Net port download menu Select 2 and the system displays boot device fei unit number 0 processor number 0 host name 8040...

Page 38: ...ining the Router 3 22 Attaching network interface lo0 done Loading NET download completed read len 04378489 Please wait it needs a long time Writing Comwaresoftware File Succeeds Press Enter key to reboot the system Then the upgrade succeeds Press Enter and the router reboots ...

Page 39: ... the site power supply is turned on z If the power cord is properly connected z If the required power supply is used Caution Never hot swap the power cord If the Power LED remains OFF after these checkups please contact the agent 4 2 Troubleshooting the Console Terminal If everything is OK the console terminal shall display booting information on the screen after the router is powered on Otherwise...

Page 40: ...If no problem is found in the checkups examine the console cable itself and parameters settings of the terminal such as HyperTerminal II Illegible characters on the terminal screen 1 Symptom The console terminal displays illegible characters on the screen after the router is powered on 2 Solution Check parameters settings for the terminal such as HyperTerminal z Bits per second 9600 z data bits 8 ...

Page 41: ...hapter 4 Installation Troubleshooting 4 3 4 3 Handling Lost Boot Rom Password Please contact the local Huawei 3Com agent if your Boot Rom password of the router is lost Then you can get assistance to enter the router again and set a new password ...

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