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Cisco 2524 - Router - EN Configuration Manual

Configuration guide
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C H A P T E R
Configuring the Cisco 2524 and
Cisco 2525 Routers
This chapter describes how to configure the Cisco 2524 and Cisco 2525 routers and
contains the following sections:
•
•
•
•
•
This chapter provides just enough information to get the router up and running. For
Cisco IOS Release 11.0 and earlier releases, refer to the Router Products Configuration
Guide for additional configuration information. For Cisco IOS Release 11.1 and later
releases, refer to the Configuration Fundamentals Configuration Guide.
Booting the Router for the First Time
Each time you power on the router, it goes through the following boot sequence:
1
2
4
Booting the Router for the First Time
Configuring the Router
Specifying the Boot Method
Checking the Configuration Settings
Getting More Information
The router goes through power-on self-test diagnostics to verify basic operation of the
CPU, memory, and interfaces.
The system bootstrap software (boot image) executes and searches for a valid Cisco IOS
image (router operating system software). The source of the Cisco IOS image (Flash
memory or a Trivial File Transfer Protocol [TFTP] server) is determined by the
configuration register setting. The factory-default setting for the configuration register
is 0x2102, which indicates that the router should attempt to load a Cisco IOS image
from Flash memory.
Configuring the Cisco 2524 and Cisco 2525 Routers 4-1

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Summary of Contents for Cisco 2524 - Router - EN

  • Page 1 Trivial File Transfer Protocol [TFTP] server) is determined by the configuration register setting. The factory-default setting for the configuration register is 0x2102, which indicates that the router should attempt to load a Cisco IOS image from Flash memory.

  • Page 2: Configuring The Router

    Configuring the Router If after five attempts a valid Cisco IOS image is not found in Flash memory, the router reverts to boot ROM mode (which is used to install or upgrade a Cisco IOS image). If a valid Cisco IOS image is found, then the router searches for a valid configuration file.

  • Page 3: Using Configuration Mode

    Connect a console terminal following the instructions in the section “Connecting Step 1 the Console Terminal and Modem” in the chapter “Installing the Cisco 2524 and Cisco 2525 Routers,” and then power ON the router. When you are prompted to enter the initial dialog, enter no to go into the normal...

  • Page 4: Using Auto Install

    You should not attempt to use AutoInstall unless the required files have been provided on the TCP/IP host. For Cisco IOS Release 11.0 and earlier releases, refer to the publication Router Products Configuration Guide for additional information. For Cisco IOS Release 11.1 and later releases, refer to the publication Configuration...

  • Page 5: Using The System Configuration Dialog

    To accept a default answer, press Return; otherwise, enter your response. This section gives an example configuration using the System Configuration Dialog. When you are configuring your router, respond as appropriate for your network. Configuring the Cisco 2524 and Cisco 2525 Routers 4-5...
  • Page 6 After about 30 seconds, information similar to the following is displayed on the Step 2 console screen. The messages displayed vary, depending on the Cisco IOS release and feature set Note you selected. The screen displays in this section are for reference only and may not exactly reflect the screen displays on your console.
  • Page 7 IOS (tm) X000 Software (IGS-J-L), Version XX.X(XXXX) [XXXXX XXX] Copyright (c) 1986-1996 by Cisco Systems, Inc. Compiled Fri 20-Oct-95 16:02 by XXXXX Image text-base: 0x03030FC0, data-base: 0x00001000 Cisco 252X (68030) processor (revision A) with 4092K/2048K bytes of memory. Processor board ID 00000000 Bridging software.
  • Page 8 Enter enable secret: pail The enable password is used when there is no enable secret and when using older software and some boot images. 4-8 Cisco 2524 and Cisco 2525 Router User Guide...
  • Page 9 Enter the ISDN BRI switch type for the router. The ISDN switch type appropriate Step 10 for the router depends on the ISDN provider’s equipment. Table 4-1 lists the ISDN switch types. Enter ISDN BRI Switch Type [none]: basic-5ess Configuring the Cisco 2524 and Cisco 2525 Routers 4-9...

  • Page 10: Configuring The Isdn Bri Interface

    This section explains how to configure the ISDN BRI interface. If an ISDN BRI WAN module is not installed in your router, skip this section and proceed with the next section, “Configuring the Ethernet or Token Ring Interfaces.” 4-10 Cisco 2524 and Cisco 2525 Router User Guide...

  • Page 11: Configuring The Ethernet Or Token Ring Interfaces

    Configure IP on this interface? [yes]: IP address for this interface: 172.16.72.1 Number of bits in subnet field [8]: 8 Class B network is 172.16.0.0, 8 subnet bits; mask is 255.255.255.0 Configuring the Cisco 2524 and Cisco 2525 Routers 4-11...

  • Page 12: Configuring The Synchronous Serial Interfaces

    Number of bits in subnet field [8]: Class B network is 172.16.0.0, 8 subnet bits; mask is 255.255.255.0 Configure AppleTalk on this interface? [no]: yes Extended AppleTalk network? [yes]: AppleTalk starting cable range [2]: 4 4-12 Cisco 2524 and Cisco 2525 Router User Guide...
  • Page 13 Use this configuration? [yes/no]: yes Building configuration... Use the enabled mode 'configure' command to modify this configuration. Press RETURN to get started! Configuring the Cisco 2524 and Cisco 2525 Routers 4-13...

  • Page 14: Configuring Isdn

    If you have not already done so, enter the isdn switch-type command to configure Step 3 the ISDN switch type: router (config)# isdn switch-type switch-type Refer to Table 4-1 earlier in this chapter for a list of ISDN switch types. 4-14 Cisco 2524 and Cisco 2525 Router User Guide...
  • Page 15 Enter the access-list command to configure the ISDN line to come up whenever Step 7 IP packets are to be sent: Router (config-if)# access-list access-list-number permit ip sourcerouter-ipnetwork sourcerouter-subnetmask targetrouter-ipnetwork targetrouter-subnetmask Router (config)# dialer-list groupnumber list access-list-number Configuring the Cisco 2524 and Cisco 2525 Routers 4-15...
  • Page 16 56/64-kbps service or DDS. (See the next section, “Configuring DDS.”) For Cisco IOS Release 11.0 and earlier releases, refer to the Router Products Command Reference for more information about the commands in this section. For Cisco IOS Release 11.1 and later releases, refer to the Configuration Fundamentals Command...

  • Page 17: Configuring Dds

    To configure the 4-wire 56/64-kbps DSU/CSU WAN module for circuit-switched service, follow the instructions in the previous section, “Configuring Switched 56.” For Cisco IOS Release 11.0 and earlier releases, refer to the Router Products Command Reference for more information about the commands in this section. For Cisco IOS Release 11.1 and later releases, refer to the Configuration Fundamentals Command...
  • Page 18 (B8ZS), and full bandwidth as the factory default. Depending on your networking environment, you might need to change these settings. For Cisco IOS Release 11.0 and earlier releases, refer to the Router Products Command Reference for more information about the commands in this section. For Cisco IOS Release 11.1 and later releases, refer to the Configuration Fundamentals Command...
  • Page 19 1 to 20 and the speed is 64-kbps: Router(config-if)# service-module t1 timeslots 1-20 speed 64 Return to user EXEC mode: Step 6 Router(config-if)# exit Router(config)# exit Router# exit Router> Configuring the Cisco 2524 and Cisco 2525 Routers 4-19...

  • Page 20: Specifying The Boot Method

    If you enter multiple boot commands, the router executes them in the order they are entered. There are two ways to load the Cisco IOS image: from Flash memory or from a TFTP server on the network.
  • Page 21 Checking the Configuration Settings For more information about the configure terminal command, refer to the Router Products Configuration Guide publication for Cisco IOS Release 11.0 and earlier releases. Refer to the Configuration Fundamentals Configuration Guide for Cisco IOS Release 11.1 and later releases.

  • Page 22: Getting More Information

    Configuration Builder Getting Started Guide • CiscoWorks for Windows Getting Started Guide • Troubleshooting Internetworking Systems (as needed) For Cisco IOS Release 11.1 and later, refer to the following publications: • Internetworking Technology Overview • Configuration Fundamentals Configuration Guide •...

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