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Tuesday, February 1, 2011

CCNA About Administrator functions:-


-: Administrative Functions:-
The Administrator functions that you can configure on a router and switch are:-
   -            Host Names
   -            Banners
   -            Interface Descriptions

Host Names:-
   -            router(config)#hostnameftodd
   -            todd(config)#
Description:-
   -            Atlanta(config)#intfe0
   -           Atlanta(config – if)#description sales LAN

-: Banner:-
A Banner is more than just little cool one very good reason for having a Banner is to give any & all who dare attempt to Telnet or Dial into your Inter work a little security notice and we can create a Banner to give anyone who shows up on the router exactly the information. We want them to have, make sure we will familiar with these four available Banner type:-
   -            Exec process creation Banner
   -            Incoming Terminal Line Banner
   -            Login Banner
   -            Message of the Day Banner
For Example:-
   -1. Line                           C Banner – Text c, where ‘c’ a delimiting character.
   -2. Exec                           Set Exec process creation Banner.
   -3. Incoming                    Set Incoming Line Banner.
   -4. Login                          Set Login Banner.
   - 5. MOTD                       Set Message of the Day Banner.
   -6. Prompt – timeout      Set Message for login Authentication timeout.
   -7. SLIP – PPP                Set Message for SLIP/PPP.

Message of the Day (MOTD) is the most extensible used Banner. It gives a message to every person Dialling into or connecting to the router via Telnet or an Auxiliary port, or even through a console port as seen here:-
Kuldeep(config)#bannerfmotdf?
Kuldeep(config)#bannerfmotdf#getybacchas.blogspot.com Network, then you must disconnect Immediately.
Kuldeep(config)# ^Z
Kuldeep(config)#exit
Kuldeep#exit
Router Con0 is now available
Press Return to get started

The preceding MOTD Banner essentially tells anyone connecting to the router to get lost if they are not on the quest list! The part to understand is the delimiting character – the thing that used to tell the router. When the message is done, we can use any character. We want for it, but we can’t use the delimiting character in the message is complete press enter, then the delimiting character and then enter again. It’ll still work it we don’t do that but it we have more than one Banner, they’ll be combined as one message and put on a single line as shown.
     Kuldeep(config)#bannerfmotdfxfunathorizedfaccessfprohibited!fx


The Example will work just fine, but if we add another MOTD Banner message, they would end up on a single line.

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