Transcript
Installation Manual H3C AR 18-22-24 Router
Table of Contents
Table of Contents Chapter 1 Product Overview ........................................................1-1 1.1 Preface...............................................................................1-1 1.2 Product Specifications .......................................................1-2 Chapter 2 Product Installation .....................................................2-1 2.1 Installation Requirements ..................................................2-1 2.2 Installing the Router ...........................................................2-2 2.2.1 Placing the Router on a Tabletop/Workbench ........2-2 2.2.2 Rack-Mounting the Router ......................................2-2 2.3 Connecting 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 Upgrading Software through XModem ..................3-10 3.2.3 Backing Up and Restoring the Extended Segment of the Boot Rom Program...................................................3-14 3.2.4 Upgrading Boot ROM at CLI .................................3-15
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Installation Manual H3C AR 18-22-24 Router
Table of Contents
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
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Installation Manual H3C AR 18-22-24 Router
Chapter 1 Product Overview
Chapter 1 Product Overview 1.1 Preface H3C AR 18-22-24 Router, developed by Huawei-3Com, integrates switching functions into the router and can provides a networking solution to enterprises and branch offices with the flexibility of integrated switching and routing functions in a single device. AR 18-22-24, with 32-bit high-performance CPU, can provide high-efficient data forwarding. It has a default memory of 64MB 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 supports firewall, AAA, NAT, QoS and other security features to ensure secure, reliable private networks over the Internet. With the standard-compliant interfaces, AR 18-22-24 can interoperate with the products of other manufacturers on all levels, and protect customer investment to the utmost.
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Installation Manual H3C AR 18-22-24 Router
Chapter 1 Product Overview
1.2 Product Specifications I. Panel
(1)
(2)
(3)
(4)
(1) Power LED (PWR) (3) WAN LED (WAN0/WAN1) (5) WAN interface (WAN0) (7) Console port (CONSOLE)
(5) (6)
(7)
(2) LAN LEDs (LAN1~LAN24) (4) LAN interfaces (LAN1~LAN24) (6) WAN interface (WAN1)
Figure 1-1 AR 18-22-24 front panel
(1) (1) Screw hole (3) Power socket (5) Power switch
(2)
(3) (4) (5)
(2) Air exhaust (4) Grounding screw
Figure 1-2 AR 18-22-24 rear panel
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II. Technical specifications Table 1-1 Technical specifications of AR 18-22-24 Item
Description One console port
Interface
Two 10/100 Mbps WAN interfaces 24 × 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 the following table for details.
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Table 1-2 LEDs on AR 18-22-24 LED
Status
Link/Act
Description
OFF
No link is present.
ON
A link is present.
Blinking
Packets are transmitted or received on the interface.
OFF
The link is in 10 Mbps mode.
ON
The link is in 10 Mbps mode.
OFF
The router is powered off.
ON
The router is powered on.
OFF
No link is present.
ON
A link is present.
Blinking
Packets are transmitted or received on the interface.
LAN1~LAN24
SPEED
PWR
WAN0/WAN1
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 Attributes of the console port Attribute Connector
Description RJ-45 1-4
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Attribute
Description
Interface standard
Asynchronous RS-232
Baudrate
9600 bps (default) to 115200bps Connecting an ASCII terminal
Function
Connecting 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
Connector
RJ-45
Interface type
MDI/MDIX auto-sensing
Operating mode
10/100 Mbps auto-negotiation Full/half duplex
1-5
10/100BASE-Tx LAN interface
10/100 Mbps auto-negotiation Full/half duplex Only Layer 2 switching supported
Installation Manual H3C AR 18-22-24 Router
Chapter 2 Product Installation
Chapter 2 Product Installation 2.1 Installation Requirements
Caution: To avoid possible product damage or body injury, consider the following issues.
z
Maintain an indoor temperature of 0°C to 40°C (32°F to 104°F) and a humidity level of 10% to 90%.
z
Keep the router far away from radio transmitting stations, radar
stations,
and
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 ventilation.
z
For power supply, use a single-phase three-prong power socket with an earth contact or use a universal PC power socket, making sure that the earth contact is well connected to the building ground. 2-1
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z
Make sure the correct voltage is used.
z
Put a lightning arrester at the front end of the power input to enhance its lightning protection. To this end, put a special lightning arrester at the front end of signal cables that are led outdoors.
z
Do not open the chassis when the router is operating or when electricity hazards are present to avoid electrical shocks. Before you open the chassis, 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.) of clearance around the chassis.
z
Do not place a router on another.
2.2.2 Rack-Mounting the Router AR 18-22-24 is designed according to the dimensions of the standard 19-inch cabinet and can be installed in the rack. Follow these steps to install the router (see Figure 2-1):
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Step 1: Check the grounding and stability of the rack. Use the screws to fix the mounting ears at both sides near the front panel or the rear panel of the router. Step 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) Guide rail
Figure 2-1 Rack-mount AR 18-22-24
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2.3 Connecting the Ground Wire
Caution: Properly connect the ground wire before connecting other cables and shorten it as much as possible to prevent the router and 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 socket is illustrated in the following figure.
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~
(1)
(2)
(1) AC-input power socket
(2) Power switch
Figure 2-2 AC-input power socket of AR 18-22-24 II. Recommended AC-input power socket You are recommended to use a single-phase three-prong socket with an earth contact, which must be properly grounded. The ground of the building power system is often buried during the wiring engineering. 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 of the power supply into an AC power outlet. Step 3: Put the power switch of the router in ON position. Step 4: Check that the Power LED on the front panel is ON. ON means the power cord is connected correctly. 2-5
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2.5 Connecting the Router to a Console Terminal I. Console cable The console cable has an RJ-45 connector at one end and a DB9 (female) connector at the other end. A
A
Figure 2-3 Console cable assembly II. Connecting the console cable Follow these steps to connect the router 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 power on the router. If everything is OK, the startup information is displayed on the terminal screen. For details, refer to 3.1.2 Powering On the Router.
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2.6 Connecting the Router to LAN I. Ethernet cable A 10/100Base-TX Ethernet interface is usually connected to an Ethernet using a category 5 twisted pair cable as shown in following figure.
Figure 2-4 Ethernet cable assembly Ethernet 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 connectors. The cable is used for connecting the same type of devices, such as a PC to another PC or to a router.
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Caution: In preparing network cables, shielded cables are preferred for the sake of electromagnetic compatibility.
II. Connecting the 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 peer device.
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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.
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Chapter 3 Configuring and Maintaining the Router
Chapter 3 Configuring and Maintaining the Router 3.1 Configuring the Router 3.1.1 Setting up Configuration Environment I. Connecting a console terminal to the router Connect the RJ-45 connector of the console cable to the console port on the router, and the DB9 connector to the serial port on the console terminal (a PC for example), as shown in Figure 3-1. Router
PC
To console port
Console cable
Figure 3-1 Local configuration through the console port 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/Windows98/Windows NT for example) and create a new connection. Enter the name of the new connection in the Name field and click . See Figure 3-2.
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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.
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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 to return to the HyperTerminal window.
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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 to return to the HyperTerminal window.
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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... ******************************************** *
*
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H3C Series Routers Boot Rom, V9.00
*
* *
******************************************** Compiled at 18:00:31 , Jan 18 2005. Testing memory...OK! 64M
bytes
SDRAM
8192k
bytes
flash memory
Hardware Version is MTR 2.0 CPLD Version is CPLD 1.0 Press Ctrl-B to enter Boot Menu System is self-decompressing......................... ....................OK! System is starting... Starting at 0x10000...
Press and the screen displays (providing that no login authentication is set):
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 terminal screen, press . The system displays: Please
input Boot Rom password :
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Caution: z
To enter the Boot Menu, you must press within three seconds after the prompt “Press Ctrl-B to Enter Boot Menu...” appears. Otherwise, the system starts decompressing the program.
z
If you want to enter the Boot menu after the system starts decompressing the program, you need to reboot the router.
Type the correct password and press . (If no Boot Rom password is configured, just press .) 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)
Refer to 3.2.2
for details about “Download application
program with XModem”. 2)
If selecting the “Download application program with NET” option, you can enter the Net port download menu as follows:
Net Port Download Menu:
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1:
Change Net Parameter
2:
Download From Net
3:
Exit to Main Menu
Enter your choice(1-3):1 z
Change Net Parameter
The following information is prompted for this option: Change Boot Parameter: '.' = clear field;
'-' = go to previous field;
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 parameters after colons.
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^D = quit
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AR 18-22-24 support application program upgrade using TFTP or FTP. Refer to 3.2.5 Upgrading the Application Program through Networks for details. z
Download from Net
You can choose this option to begin the download after desired parameters are defined.
Caution: Care should be taken in deciding to upgrade router software. 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 from FLASH
4:
Backup Extended Segment of Boot Rom to FLASH
5:
Exit to Main Menu
Enter your choice(1-5):
The menu provides means to upgrade, back up and restore the Boot Rom program. Refer 3.2.2 and 3.2.3 for details.
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The “Do not check the version of the software” option is used for backward compatibility purpose during upgrade. Your upgrade attempt may fail even if you select the correct software version (the system prompts you with “invalid version” message at this time). If you are experiencing this, you can select this option to have the system skip version check during upgrade. This 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 application program from serial ... Please choose your download speed: 1: 9600 bps 2: 19200 bps 3: 38400 bps 4: 57600 bps 5: 115200 bps 6: Exit and reboot Enter your choice(1-6):
Step 2: Select an appropriate download speed, <5> for 115200 bps for example. The console screen displays: 3-10
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Download speed is 115200 bps. Change the terminal's speed to 115200 bps, and select XModem protocol. Press ENTER key when ready.
Step 3: Change the baud rate on the console terminal to a value identical to the software download speed (115200 bps in this example). After that, select [Dial-in/Disconnect] and then [Dial-in/Dialing] to disconnect and reconnect the terminal. Press 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 [Transfer/Send file…] in the HyperTerminal. The Send File dialog box appears, as shown in Figure 3-6.
Figure 3-6 Send File dialog box 3-11
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Step 5: In the Send File dialog box, click and navigate to the directory where the desired file resides to select the application file to be downloaded, and then select XModem from the Protocol drop-down list. Then click . 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 .Please wait... ####################################################### Writing FLASH Success.
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Please use 9600 bps.Press key to reboot the system.
Restore the speed of the console terminal to 9600 bps as prompted, disconnect and reconnect the terminal. The system starts up normally. II. Upgrading the Boot Rom program Step 1: Enter the Boot menu, and then select <5> to enter the Boot Rom download menu. 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 program Step 1: Enter the Boot menu, and then select <5> to enter the Boot Rom download menu. Step 2: Select <2> in Boot Rom download menu to download extended segment of Boot Rom with XModem. The subsequent steps 3-13
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are the same as those described in the Upgrading the application program section.
Caution: This approach upgrades only a portion of the Boot Rom program, so you can make a second attempt once errors occur.
3.2.3 Backing Up and Restoring the Extended Segment of the 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: Writing to FLASH.Please wait...#### Backuping Boot Rom program to FLASH successed!
Step 3: When Boot Rom download menu appears again, select <5> to exit and reboot the router.
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II. Restoring the extended segment from Flash memory In case faults occur to the extended segment or the upgrade is done inadvertent, take these steps to restore the extended segment of the Boot Rom program from Flash memory to the Boot Rom: Step 1: Enter the Boot menu, and then select <5> to enter the Boot Rom download menu. Step 2: In Boot Rom download menu, select <3> to restore the extended segment from Flash memory. For a successful restoration, the console 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 1)
Connect the TFTP server to the router on which Boot ROM is to be upgraded so that they can communicate with each other. A TFTP server is a device running the TFTP server program.
2)
Specify the path on the TFTP server to the folder that contains the Boot ROM upgrade file. That is, ensure the Boot ROM upgrade file are available in the Base Directory 3-15
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folder, as shown in Figure 3-8 (For different TFTP server software packages, the interfaces differ).
Figure 3-8 TFTP server program interface 3)
Configure the router to download the Boot ROM upgrade file from the TFTP server.
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.
system-view [H3C] upgrade bootrom full
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WARNING: This operation will update the Boot ROM. It may result in booting failure. Caution!!! upgrade bootrom [Y/N]?y Please wait, it may take a long time The 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.
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 file, and set the username and password. As shown in Figure 3-9, configure the username in the Profile text box and set a password. Make sure the currently configured path contains the Boot ROM upgrade file. (For different FTP server software packages, the interfaces differ).
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Figure 3-9 FTP server program interface 3)
Configure the router to download the Boot ROM upgrade file from the FTP server.
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
successfully. [ftp] get bootromfull
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connection
is
established
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Execute the following command on the router to upgrade Boot ROM.
system-view [H3C] upgrade bootrom full WARNING: This operation will update the Boot ROM. It may result in booting failure. Caution!!! upgrade bootrom [Y/N]?y Please wait, it may take a long time The 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 applications through networks, the router operates as a client and you need to connect to a TFTP server or FTP server through one of its fixed Ethernet interfaces.
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Caution: z
TFTP server or FTP server is not shipped with your AR18-22-24, you need to purchase and install it by yourself.
z
On AR 18-22-24 you can only upgrade the application program through the WAN0 interface.
Follow these steps to upgrade the application program through networks: 1)
Start TFTP server or FTP server.
Start TFTP server 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 need to configure these parameters:
file name: Name of the file to be loaded. inet on ethernet (e): IP address of the download interface on the router. host inet (h): IP address of the TFTP server. flags (f): You must enter 0x80 for TFTP mode. 3-20
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Chapter 3 Configuring and Maintaining the Router
In FTP mode, you need to configure these parameters:
file name: Name of the file to be loaded. inet on ethernet (e): IP address of the download interface on the router. host inet (h): IP address of the FTP server. user (u): User name, which must be consistent with that on the FTP server. ftp password (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 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
file name
: Q8040.BIN
inet on ethernet (e) : 10.110.27.235 host inet (h)
: 10.110.27.231
user (u)
: 8040
ftp password (pw)
: 8040
flags (f)
: 0x80
Attached TCP/IP interface to fei0. Subnet Mask: 0xfffff800
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Installation Manual H3C AR 18-22-24 Router
Chapter 3 Configuring and Maintaining the Router
Attaching network interface lo0... done. Loading... NET download completed... read len = [04378489] Please wait,it needs a long time ####################################################### ########################### Writing Comwaresoftware File Succeeds! Press key to reboot the system .
Then the upgrade succeeds. Press and the router reboots.
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Installation Manual H3C AR 18-22-24 Router
Chapter 4 Installation Troubleshooting
Chapter 4 Installation Troubleshooting 4.1 Troubleshooting the Power Supply 1)
Symptom
The Power LED is OFF. 2)
Solution
Please check z
If the router power switch is turned on.
z
If 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, the console terminal may display nothing or illegible characters.
4-1
Installation Manual H3C AR 18-22-24 Router
Chapter 4 Installation Troubleshooting
I. No display on the terminal screen 1)
Symptom
The console terminal displays nothing on the screen after the router is powered on. 2)
Solution
Step 1: Please check z
If the power supply is OK.
z
If the console cable is properly connected.
Step 2: 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
HyperTerminal): z
Bits per second: 9600
z
data bits: 8
z
Parity: none
z
Stop bit: 1
z
Flow control: None
z
Emulation: VT100 or auto-detect.
If they are not set to these values, modify them. 4-2
(such
as
Installation Manual H3C AR 18-22-24 Router
Chapter 4 Installation Troubleshooting
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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