Cisco 2524 Configuration Manual
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Cisco 2524 Configuration Manual

Cisco 2524 Configuration Manual

Chapter 4
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C H A P T E R
4
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:
•
Booting the Router for the First Time
•
Configuring the Router
•
Specifying the Boot Method
•
Checking the Configuration Settings
•
Getting More Information
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:
The router goes through power-on self-test diagnostics to verify basic operation of the
1
CPU, memory, and interfaces.
The system bootstrap software (boot image) executes and searches for a valid Cisco IOS
2
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

  • Page 1 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: • Booting the Router for the First Time •...

  • Page 2: Configuring The Router

    Use the procedure that best fits the needs of your network configuration and level of Cisco IOS experience. Timesaver Acquire the correct network addresses from your system administrator or consult your network plan to determine correct addresses before you begin to configure the router. 4-2 Cisco 2524 and Cisco 2525 Router User Guide...

  • Page 3: Using Configuration Mode

    Step 1 Connect a console terminal following the instructions in the section “Connecting 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

    Cisco IOS Release 11.1 and later releases, refer to the publication Configuration Fundamentals Configuration Guide. AutoInstall works on synchronous serial connections only. The 2-wire Note switched 56-kbps DSU/CSU module operates on switched 56-kbps circuits only; therefore, you cannot use it for AutoInstall. 4-4 Cisco 2524 and Cisco 2525 Router User Guide...

  • Page 5: Using The System Configuration Dialog

    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 Router Configuring the Cisco 2524 and Cisco 2525 Routers 4-5...
  • Page 6 System Bootstrap, Version X.X(XXXX) [XXXXX XX], RELEASE SOFTWARE Copyright (c) 1986-1992 by Cisco Systems 2500 processor with 4096 Kbytes of main memory Notice: NVRAM invalid, possibly due to write erase. F3: 5797928+162396+258800 at 0x3000060 4-6 Cisco 2524 and Cisco 2525 Router User Guide...
  • Page 7 Default settings are in square brackets '[]'. Would you like to enter the initial configuration dialog? [yes]: Press Return or enter yes to begin the configuration process. Step 3 Configuring the Cisco 2524 and Cisco 2525 Routers 4-7 Configuring the Router...
  • 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 IP-Address Method unassigned...
  • 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 Configuring the Router...

  • 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 ISDN Switch Types ISDN Switch Type...

  • 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 Router 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 Configuring the Router...

  • Page 14: Configuring Isdn

    If you have not already done so, enter the isdn switch-type command to configure 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 Configuring the Router...
  • Page 16 DSU/CSU WAN module for circuit-switched service, substituting the correct addresses and host names as appropriate for your network: Enter enable mode: Step 1 Router> enable password: enablepassword Step 2 Enter configuration mode: Router# config term Router(config)# 4-16 Cisco 2524 and Cisco 2525 Router User Guide...

  • Page 17: 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 Reference. Configuring the Router Configuring the Cisco 2524 and Cisco 2525 Routers 4-17...
  • Page 18 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 Reference. 4-18 Cisco 2524 and Cisco 2525 Router User Guide...
  • 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 Configuring the Router...

  • Page 20: Specifying The Boot Method

    TFTP server: Router> enable Password: enablepassword Router# configure terminal Router (config)# boot system tftp filename ipaddress Router (config)# Ctrl-Z Router# copy running-config startup-config Building configuration ... [OK] Router# exit Router> 4-20 Cisco 2524 and Cisco 2525 Router User Guide...
  • Page 21 No module installed for Serial Interface 1 32K bytes of non-volatile configuration memory. 8192K bytes of processor board System flash (Read ONLY) Configuration register is 0x2102 Router> Checking the Configuration Settings Configuring the Cisco 2524 and Cisco 2525 Routers 4-21...

  • Page 22: Getting More Information

    Network Protocols Command Reference These publications are available on UniverCD, Cisco’s online library of product information. To order UniverCD, or paper documentation, refer to the Cisco Information Packet publication that accompanied your router. 4-22 Cisco 2524 and Cisco 2525 Router User Guide...

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