AI2524 Router Card User’s Manual
Page 7-12 August 1997
2524UM
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 co nfig ura ti on fi le 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 Boo t Field
zSpecify the Startup Configuration Fil
Enter Configuration Mode and Select a Configuration
Source
To enter configuration mode, e nter 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 th e active
copy of the configuration file, comments do not appear when you list
the active configuration with th show running-config EXEC
command. Also, when the startup configuration is NVRAM, com-
ments do not show up when you list the startup configuration with th
show startup-config EXEC command. Comments are stripped
out of the configuration file when it is loaded onto the router. How-