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Command-Line Interface

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a banner will give them the information you want them to have. 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

Message of the day (MOTD) is the most extensively used banner. It gives

a message to every person dialing into or connecting to the router via Telnet,
auxiliary port, or through a console 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 '#'.

$ Acme.com network, then you must disconnect immediately.

Router(config)#^Z

Router#

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

console

Router#exit

Router con0 is now available

Press RETURN to get started.

If you are not authorized to be in Acme.com network, then

you must disconnect immediately.

Router>

The preceding MOTD banner tells anyone connecting to the router that

if they're not on the guest list, get lost! The part to understand is the delim-
iting character--the thing that's used to tell the router when the message
is done. You can use any character you want for it, but you can't use the

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