From: Gary Duncanson (gary.duncanson@googlemail.com)
Date: Mon Mar 10 2008 - 12:07:52 ARST
It's something to do with the cisco implementation of MED as opposed to the
RFC and other vendors. From what I recall reading a certificationzone
tutorial a couple of years ago.
HTH
Gary
----- Original Message -----
From: <Keegan.Holley@sungard.com>
To: "'Cisco certification'" <ccielab@groupstudy.com>
Sent: Sunday, March 09, 2008 11:35 PM
Subject: Juniper vs. Cisco Med
> Hello all,
>
> On page 336 - 337 of the JNCIS study guide it describes the portion of the
> BGP route selection process pertaining to MED and then attempts to
> describe the behavior of a cisco systems router in making the same
> decision. The examples used are a little confusing. They use the same
> three routes in both examples two coming from the same AS with differing
> MED values and another coming from a different AS. With the Juniper method
> the router choose the iBGP route with a lower MED. With the cisco method
> the router chooses the eBGP route because eBGP is preferred. However, the
> eBGP route is only preferred by the cisco router because of administrative
> distance. The next decision in the path selection process of both vendors
> is eBGP over iBGP, so Juniper router would have chosen the eBGP route as
> well. My question is what is the difference between the cisco and juniper
> treatment of MED?
>
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