[isp-bgp] Re: BGP routing loop !

[Gojko Vujovic <gojko@...>]

Kave Salamatian wrote:
> Hello Folks, 
> I have a practical BGP question. I am receiving the following AS paths:=20
> 2200 5511 702 8342 29651 25515 29369 25515=20
>
> With the AS 25515 repeated two times with the AS 29369 in the middle.  = Is
> it normal?
Yes, it is normal. It's called route prepending and has nothing to do 
with routing loops. It is mostly used to choose a preferred route for 
some traffic.

Command on Cisco is 'set as-path prepend ASN ASN ASN...'. Search 
cisco.com for more info.



-Gojko







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