sâmbătă, 7 aprilie 2012

Cisco CCNA 640-553 Security Exam Training - Using the 'Banner' Command

In today's article, I'm going to quickly inform you about the Cisco IOS Global configuration command named "banner".

CCNAs (like you) use the "banner" command to configure an extended authentication (Xauth) banner string under a group policy definition.

Below is the command's syntax:

banner c {banner-text}c

As you can see, the command is extremely easy to implement, and by the way, just in case if you were wondering; the letter "c" is the Delimiting character.

The "Delimiting character" can be any character that is not part of the banner-text.

And, the "banner-text" is the string of characters that makes up the banner. The maximum number of characters that can be used is 1024.

Below is an example of the command being used:

Router>enable

Router#configure terminal

Router(config)#crypto isakmp client configuration group MYVPN

Router(config-isakmp-group)#banner @ The quick fox jumped over the lazy dog @

Router(config-isakmp-group)

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