AIS AI2524 General Startup Task List, Enter Configuration Mode and Select a Configuration Source

AI2524 Router Card User’s Manual

Perform General Startup Tasks

When modifying your routing environment, you perform general star- tup tasks. For example, to modify a configuration file, you enter con- figuration mode. You also modify the configuration register boot field to tell the router if and how to load a system image upon startup. Also, instead of using the default system image and configuration file to start up, you can specify a particular system image and configuration file that the router uses to start up.

General Startup Task List

General startup tasks include:

zEnter Configuration Mode and Select a Configuration Source

zModify the Configuration Register Boot Field

zSpecify the Startup Configuration Fil

Enter Configuration Mode and Select a Configuration

Source

To enter configuration mode, enter th configure command at the privileged EXEC prompt. The Cisco IOS software responds with this prompt by asking you to specify the terminal or memory or a file stored on a network server (network) as the source of configuration commands:

Configuring from terminal, memory, or network [terminal]?

These methods are described in these sections:

zConfigure the Cisco IOS software from the Terminal

zConfigure the Cisco IOS software from Memory

zConfigure the Cisco IOS software from the Network

The Cisco IOS software accepts one configuration command per line.

You can enter as many configuration commands as you want.

You can add comments to a configuration file describing the com- mands you have entered. Precede a comment with an exclamation point (!). Because comments are not stored in NVRAM or in the active copy of the configuration file, comments do not appear when you list the active configuration with th show running-configEXEC command. Also, when the startup configuration is NVRAM, com- ments do not show up when you list the startup configuration with th show startup-configEXEC command. Comments are stripped out of the configuration file when it is loaded onto the router. How-

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