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Managing Network Devices

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Banners

You can set a banner on a Cisco router so that when either a user logs in to
the router or an administrator telnets into it, for example, the banner will
give them information that you want them to have. Another reason for hav-
ing a banner is to add a security notice to users dialing in to your internet-
work. There are four different banners available:

Router(config)#banner ?

LINE c banner-text c, where 'c' is a delimiting
character

exec Set EXEC process creation banner

incoming Set incoming terminal line banner

motd Set Message of the Day banner

The Message of the Day is the most used and gives a message to every per-

son dialing in or connecting to the router via Telnet, auxiliary port, or con-
sole port:

Router(config)#banner motd ?

LINE c banner-text c, where 'c' is a delimiting
character

Router(config)#banner motd #

Enter TEXT message. End with the character '#'.

$ized to be in Acme.com network, then you must disconnect
immediately.

The router wrapped the text above and inserted a dollar sign ($) to let the

administrator know this. The complete message will be used, however, as

shown in the output that follows.

Router(config)#^Z

Router#

00:25:12: %SYS-5-CONFIG_I: Configured from console by
console

Router#exit

www.sybex.com