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The Cisco Router Web Setup (CRWS) utility can be used to configure your router. The following devices are supported:
CRWS is loaded in Flash memory or webflash memory, depending on the version of the IOS the router is running. It can also be uploaded to your router to add or update the utility.
This document describes CRWS version 3.2, how to update the files by using the CLI, and how to launch the application if it fails to launch automatically. It includes the following sections:
CRWS is also available at Cisco.com. See the "Obtaining Technical Assistance" section in this document for more information.
CRWS runs on a PC that is using the Microsoft Windows 98, Windows 98SE, Windows Me, Windows 2000, Windows XP, or Windows NT 4.0 operating system. The following are the system requirements for all operating systems:
CRWS is the recommended means for configuring your router. A command-line interface (CLI) is also available for configuring the routers. The CLI is used for custom configurations that are not available through the use of CRWS. Refer to the IOS documentation for detailed instructions.
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Note To communicate with CRWS, the PC must be on the same subnetwork as the router and must be configured for dynamic host configuration protocol (DHCP). For example, if the router subnet mask is 255.255.255.0 (the default), the PC subnet mask must also be 255.255.255.0. See the "Adjusting the PC to Communicate with the Router" section for additional information. |
Follow these steps to configure the router:
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Note If you are restarting CRWS, you must begin with the Web browser shut down. Make sure all browser windows are closed. |
Step 2 Power on the router.
Step 3 Open a browser window.
Step 4 Enter the URL 10.10.10.1, or if the router IP address has been changed, the new IP address of the router.
Step 5 Follow the instructions that appear in the window.
The CRWS utility leads you through the process of configuring your router. The help system describes the individual windows and should answer all your questions once you launch the utility. If you have trouble launching the utility, see the "Troubleshooting" section in this document for information that will help you resolve any problems.
This section provides suggestions for resolving common problems. If CRWS is not launched or the windows are not displayed, check the following:
The command line interface (CLI) is helpful for troubleshooting the router.
To display the CLI, follow these steps:
Step 2 Start a configuration session. Open a configuration window by using a terminal emulation software, such as HyperTerminal, and logging in to the router. The terminal port settings are as follows:
A prompt appears. For example, Router>. Note that Router is the name of the router and that it can be changed. Your router might have a different name if it was previously configured. The "greater than" sign (>) indicates that you have entered exec mode. In this mode, some show commands are available. For example, the show interface command displays the IP address of an interface.
To go to privileged mode, enter the enable command. If an enable password is not set, the router changes to privileged mode without asking for a password. If this is the first time the router is being configured, the router prompts you for the enable password. Enter the enable password, if a password is set. The prompt changes to Router#. The pound sign (#) indicates that you are in privileged mode.
To go to global configuration mode, enter the configure terminal command. The prompt changes to Router(config)#. In this mode, you can change the router configuration. However, unless you are familiar with the IOS and have experience using the CLI, this method of router configuration is not recommended.
If one or more CRWS files are missing from Flash memory, problems can result. The application might not display correctly or the application might not launch. You must have the correct IOS and the correct CRWS files in Flash memory. Although the filenames and number of files vary, depending on the router model, release, and features, the following files might be loaded on the router:
To verify the files, enter the show flash: command to display the files in Flash memory. (Or, enter the show webflash: command to display the files in webflash memory.) For example:
Compare the files required to run CRWS on your router to the files located in Flash memory. If the files are not present, they must be copied into Flash memory or webflash memory. To add or replace the files, follow the procedure in the "Copy the CRWS Files to Memory" section.
To verify the IP address, enter the show interface e0 command on the command line. For example:
If the IP address is not correct, change it by using the procedure in the "Set the Router Ethernet IP Address" section.
The Ethernet connection from the PC to the router can be tested by using the Command window, or it can be tested from the router to the PC by using the Terminal window.
Test the connection from the PC Ethernet port to the router by using the ping command as follows:
Step 2 Enter command in the Open field. A Command window displays.
Step 3 Enter ping 10.10.10.1 at the command prompt. For example:
If you cannot ping the router, it is likely that there is a problem with the Ethernet cable or that the router port is not configured correctly. Verify that the Ethernet ports are connected correctly. To check the router IP address, follow the procedure in the "Verify the IP Address of the Router Ethernet Port" section.
Test the connection from the router Ethernet port to the PC by using the ping command as follows:
Step 2 Enter the ping command on the CLI to test the connection from the router Ethernet port to the PC. For example:
Although you are using the terminal (or a HyperTerminal window on a PC) to view the CLI, it is simply a device for transmitting router commands and receiving the results. In the previous example, 10.10.10.2 is an IP address assigned to the PC by a DHCP server. (The DHCP option is sometimes shown as, "automatically obtain an IP address.")
If you successfully pinged the router by using the Command window but you could not ping the PC by using the CLI, it is likely that the PC is not set for communications with CRWS. To check the PC IP address, follow the procedure provided with your Windows operating system. To check the router IP address, follow the instructions in the "Verify the IP Address of the Router Ethernet Port" section.
CRWS is already loaded on most routers, and it is available on Cisco.com. If an old version of the utility is loaded on your router, launch CRWS and use the Upgrade feature to update the files.
If your version of the utility does not have an upgrade feature, or the utility is not loaded on your router, follow the instructions in this section.
The following are the basic steps for loading the CRWS files:
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Note This procedure assumes that the router is cabled (including the console cable) and powered on, and that you can ping the Ethernet port. Refer to the Cisco 800 Series Router Hardware Installation Guide or the Cisco 800 Series Router Quick Start Guide for instructions. |
Setting the router Ethernet IP address establishes communications through the router Ethernet port. If the router is preconfigured, it is likely that the router Ethernet port has been set up, and CRWS will make the rest of the adjustments to the configuration. If you cannot launch CRWS, it might be the router Ethernet port IP address is missing or incorrect, or the port might be shut down.
To configure the router Ethernet port, follow these steps:
Step 2 Enter the enable command to change to privileged mode. The router prompts you for the enable password. If this is the first time the router is being configured, an enable password might not be set. The router changes to privileged mode without asking for a password, and you can skip to Step 4.
Step 3 If an enable (secret) password is set, enter the enable password. The prompt changes to Router# to indicate that you are in privileged mode.
Step 4 Enter the configure terminal command to enter global configuration mode. The prompt changes to Router(config)#.
Step 5 Enter the interface ethernet0 command to configure the Ethernet interface:
The prompt changes to Router(config-if)#.
Step 6 Enter the IP address by using the command ip address 10.10.10.1 255.255.255.0.
Step 7 Enter the no shutdown command to bring up the port.
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Note The port is administratively shut down by default. If the port is already up, this command does not change the status of the port. |
Step 8 Enter the end command to terminate the configuration session and return to privileged mode.
Step 9 Enter the ping command to make sure that the connection to the router is up. The ping command is described in the "Verify the Ethernet Connection" section.
A TFTP server allows you to copy files from your PC to the router over the Ethernet connection, by using the CLI. Start the TFTP server by following these steps:
Step 2 Copy the CRWS files to the root directory of the TFTP server.
Step 3 Start the TFTP server.
If the CRWS utility is loaded on your router, and you want to update your version of the software, use the Refresh feature in your current version of CRWS.
If the CRWS utility is not loaded on your router, follow the instructions in this section.
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Note This procedure assumes that the router is cabled (including the console cable), and powered on, and that you can ping the Ethernet port. Refer to the Cisco 800 Series Router Hardware Installation Guide or the Cisco 800 Series Router Quick Start Guide for instructions. |
Step 2 Uncompress the ZIP file. The files that are extracted onto your hard disk are:
Step 3 Delete the ZIP file.
Step 4 If you have a Cisco 806 router, Cisco 831 router, Cisco SOHO 71 router or a Cisco SOHO 91 router, delete the following files and continue with Step 5. Otherwise, skip to Step 6.
Step 5 Rename ConfigExp_806.cfg to ConfigExp.cfg and skip to Step 7.
Step 6 If you have a Cisco 826 router, Cisco 827 router, Cisco 828 router, Cisco SOHO 76 router, Cisco SOHO 77 router, or Cisco SOHO 78 router, delete the following files and continue with Step 7.
Step 7 Start a TFTP server. Instructions for starting a TFTP server is provided in the "Start a TFTP Server" section.
Step 8 Copy the CRWS files to the root directory of the TFTP server.
Step 9 Open a configuration window by using a terminal emulation software, such as HyperTerminal. A prompt displays; for example, Router>. Note that Router is the name of the router and that it can be changed. Your router might have a different name. The "greater-than" sign (>) indicates that you have entered exec mode.
Step 10 Enter the enable command to change to privileged mode.
The router might prompt you for the enable password. If an enable password is set, your are prompted for the password. If this is the first time the router is being configured or if an enable password has not been set, the router changes to privileged mode without asking for a password, and you can skip
to Step 12.
Step 11 If a password is set, enter the enable password. The prompt changes to Router# to indicate that you are in privileged mode.
Step 12 Enter the configure terminal command.
The prompt changes to Router(config)# to indicate that you are in global configuration mode.
Step 13 Enter the IP address. Instructions for entering a router Ethernet IP address are provided in the "Set the Router Ethernet IP Address" section.
Step 14 Copy the files to memory. If you are copying the files to webflash memory, enter the copy tftp: webflash: command. (Note, the colon is a required part of the command.) If you are copying the files to Flash memory, enter the copy tftp: flash: command. The router prompts you for the TFTP server IP address.
Step 15 Enter the IP address of the PC. Typically, the IP address is 10.10.10.2; for example:
The router prompts you for the source filename.
Step 16 Enter the source filename to be copied. For example, home.html:
The router prompts you for the destination filename.
Step 17 Press Enter, without entering a filename to accept the source filename, home.html, as the destination file name. If a home.html file already exists in memory, you are asked if the file can be overwritten. Enter YES.
The router prompts you to erase Flash memory.
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Caution The IOS image is stored in Flash memory. If you are copying a file to Flash memory and enter YES, all the files in Flash memory, including the IOS image, are deleted and cannot be recovered. Note that erasing webflash memory does not erase the IOS image stored in Flash memory. |
Step 18 tRespond to the prompt as follows:
The router displays exclamation points (!) to indicate that the file is being transferred from the PC to the router. When this process is complete, the router prompt appears.
Step 19 Repeat Step 16 through Step 18 to copy all the CRWS files to memory.
Step 20 Copy the ConfigExp.cfg file to the router startup-config file and reload (restart) the router. For instructions on copying the ConfigExp.cfg to the startup-config file, see the "Copy the CRWS Configuration to the Router" section.
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Caution When you are prompted to save the running configuration to startup configuration, enter NO. |
After the ConfigExp.cfg file is copied, launch CRWS from a browser window by following the procedure in the "Starting CRWS" section.
A configuration that supports CRWS, ConfigExp.cfg, is provided with the utility. This configuration file must match the running-config file.
If CRWS is already loaded on the router, the router has probably been preconfigured to use the utility. You can skip this section.
If CRWS is loaded on the router, but the router has not been preconfigured to use the utility, the CRWS configuration can be copied from Flash memory or webflash memory to the router configuration. A router Ethernet port connection is not required to perform this procedure.
If CRWS is not loaded on the router, the CRWS configuration can be copied from the PC to the router configuration. See the "Copy the CRWS Files to Memory" section.
To copy the CRWS configuration from Flash memory or webflash memory to the router startup configuration, follow these steps:
Step 2 Enter the enable command to change to privileged mode.
The router might prompt you for the enable password. If an enable password is set, your are prompted for the password. If this is the first time the router is being configured or if an enable password has not been set, the router changes to privileged mode, and you can skip to Step 4.
Step 3 If a password is set, enter the enable password. The prompt changes to Router#. This prompt indicates that you are in privileged mode.
Step 4 Copy the CRWS configuration to the router startup configuration. If your router supports webflash memory, enter the copy webflash:ConfigExp.cfg startup-config command. If your router does not support webflash memory, enter the copy ConfigExp.cfg startup-config command. The configuration is saved to NVRAM.
Step 5 Enter the reload command to reboot the router. You are prompted to save the running configuration to the startup configuration, as follows:
Step 6 Enter NO. You are prompted to proceed with the reload.
Step 7 Press Enter. The router restarts. You can communicate with the router through the Ethernet port.
This section provides instructions for configuring a PC to communicate with the router through an Ethernet LAN for the purpose of running CRWS. To establish communications with the router, the PC must be set as a DHCP client and must lease an IP address from the router before invoking the utility. In most cases, you do not need to change any settings to communicate with the router.
We recommend that you try communicating with the router by bringing up your browser (Internet Explorer or Netscape) and entering the URL http://10.10.10.1 . If this does not work and the router configuration is correct, follow the instructions in one of the following sections, appropriate for your operating system:
If you did not install TCP /IP when you installed Windows XP, you must add the protocol and configure your PC for TCP/IP automatic addressing. Typically, TCP/IP is installed by default in Windows XP systems.
In case TCP/IP is not installed by default, do the following:
Step 2 Enter Installing TCP/IP in the keyword entry field of the search tab and press Enter or click List Topics button.
Step 3 Select Installing TCP/IP from the listed topics, and press Enter or click Display button.
Step 4 Follow the instructions in the help window to install TCP/IP.
To configure TCP/IP settings in your PC, do the following:
Step 2 Enter Configuring TCP/IP in the search box and press Enter or click List Topics button.
Step 3 Select Configuring TCP/IP settings from the listed topics, and press Enter or click Display button.
Step 4 Follow the instructions in the help window to configure TCP/IP.
If you did not install TCP /IP when you installed Windows 2000, you must add the protocol and configure your PC for TCP/IP automatic addressing. Typically, TCP/IP is installed by default in Windows 2000 systems.
In case TCP/IP is not installed by default, do the following:
Step 2 Enter Installing TCP/IP in the keyword entry field of the search tab and press Enter or click List Topics button.
Step 3 Select Installing TCP/IP from the listed topics, and press Enter or click Display button.
Step 4 Follow the instructions in the help window to install TCP/IP.
To configure TCP/IP settings in your PC, do the following:
Step 2 Enter Configuring TCP/IP in the search box and press Enter or click List Topics button.
Step 3 Select Configuring TCP/IP settings from the listed topics, and press Enter or click Display button.
Step 4 Follow the instructions in the help window to configure TCP/IP.
If you did not install TCP /IP when you installed Windows NT, you must add the protocol and change the settings on your PC so that the protocol will work with your new router.
Follow these steps to load the TCP/IP protocol:
Step 2 Double-click the Network icon. The Network window appears.
Step 3 Click the Protocol tab in the Network window.
Step 4 If TCP/IP is listed under Network Protocols, go to Step 5. If TCP/IP is not shown, install TCP/IP as follows:
b. Double-click Protocol in the Select Network Component Type window. The Select Network Protocol window appears.
c. Choose Microsoft for the manufacturer.
Step 5 Change the TCP/IP settings to use DHCP as follows:
b. In the IP Address tab, make sure the Obtain an IP address from a DHCP server option is selected and that the IP Address and Subnet Mask fields are grayed out.
Step 6 Add the DNS server given to you by your ISP or network administrator:
b. Enter your host name in the Host field.
c. Enter your domain name in the Domain field.
d. Click Add under the DNS Server Search Order window if the DNS server IP address is provided by your service provider. Otherwise, skip to Step f.
e. Enter the IP address of the DNS server in the DNS Server Search Order field.
f. Remove any DNS server IP address that is not provided by your service provider. If your service provider did not provide any IP addresses, all IP addresses should be removed. The DNS IP addresses will be automatically leased from the router.
Step 7 Click OK to accept the changes and exit this window.
Step 8 Click OK to exit the Network window. The Control Panel appears.
Step 9 If it is necessary to reboot the system to make your changes effective, a dialog box prompts you to reboot the PC. Click Yes to reboot the PC. Click No to continue without rebooting; the settings are changed the next time the PC is rebooted.
If you did not install TCP/IP when you installed Windows 98, you must add the protocol and change the settings on your PC so that the protocol will work with your new router.
Follow these steps to load the TCP/IP protocol:
Step 2 Double-click the Network icon. The Network window appears.
Step 3 If TCP/IP is listed, continue to the next step. If TCP/IP is not listed, install TCP/IP as follows:
b. Double-click Protocol in the Select Network Component Type window. The Select Network Protocol window appears.
c. Choose Microsoft for the manufacturer.
Step 4 Change the TCP/IP settings to use DHCP as follows:
a. Double-click the first TCP/IP cable icon. The TCP/IP Properties window appears.
b. Make sure that the IP Address tab has Obtain an IP address automatically is selected and that the IP Address and Subnet Mask fields are grayed out.
Step 5 Add the DNS server given to you by your ISP or network administrator:
a. Click the DNS Configuration tab.
c. Enter your host name in the Host field.
d. Enter your domain name in the Domain field.
e. Enter the IP address of the DNS server in the DNS Server Search Order field.
f. Click Add. The IP address shows in the window below the field.
Step 6 If your network administrator has instructed you to use DHCP to obtain a WINS address, complete this step. Otherwise, go to Step 7.
Step 7 Click OK to accept the changes and exit this window.
Step 8 Click OK to exit the Network window. The Control Panel appears.
Step 9 If it is necessary to reboot the system to make your changes effective, a dialog box prompts you to reboot the PC. Click Yes to reboot the PC. Click No to continue without rebooting; the settings are changed the next time the PC is rebooted.
This section provides the latest information about the limitations and restrictions of the Cisco Router Web Setup.
The following documents provide information about installing and configuring the Cisco 800 series routers and the Cisco SOHO 77, and SOHO 78 series routers:
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Posted: Mon Nov 10 12:18:33 PST 2003
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