BGP basic question ?

Unanswered Question
Mar 1st, 2009

Suppose i am using bgp to connect to the isp so inside my AS i should use IBGP & igp also ?

explain in brief..

or if i want to use only IGP can i able to use it ?

I have this problem too.
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Jon Marshall Sun, 03/01/2009 - 12:06

Depends on what you are trying to do. How many connections are you using to the ISP. If there is only one connection then there is no need for IBGP and you can just run IGP internally.

Actually if there is only one connection you often don't need EBGP either but that wasn't your question.

If you have multiple connections and you want some traffic to go out of one connection and other traffic out of the other etc.. then yes you may well want to use IBGP.


kaustubhchavan Sun, 03/01/2009 - 17:39

Hi Jon,

Please tell me any scenario for multihoming & for single isp connectivity

it should have whole configuration.

Thanks & regards,



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