Thanks, I didn't think it required Communities either, glad to know I'm not going crazy. I'm taking the written exam in Tampa, FL.
On Fri, Dec 10, 2010 at 10:13 AM, Jason Maynard <[email protected]>wrote: > I do not believe as-path prepending requires communities – I hope this > gets clarified if I am wrong > > > > I do not think that there is a set rule as it will always comes down to the > requirements. > > > > Ryan – Where are you taking the exam?> > > > > > > *From:* [email protected] [mailto: > [email protected]] *On Behalf Of *Ryan Jensen > *Sent:* December-10-10 9:42 AM > *To:* OSL Routing and Switching > *Subject:* [OSL | CCIE_RS] BGP AS_Path vs MED > > > > Hi all, > > In my prep for CCIE Written, I've taken a couple practice test and I'm > getting a little frustrated about MED vs AS_Path. When would you use one > over the other? I've seen questions like "You have two routers running BGP > to two different ISPs.You wish to influence the way traffic comes into your > network but your company policy prohibits the use of BGP Communities. What's > the best way to influence this traffic". > > I selected "AS_Path Prepending". It was marked wrong with an explanation > that it would require BGP Communities to be used and I should use MED. I > completely disagree with that. AS_Path comes before MED in the BGP order of > operations and it would accomplish the same end result. > > I've seen other similar questions in other tests that say AS_Path is the > best option. > > > > Is there a rule of thumb when to use AS_Path vs MED? Thanks! > > > > P.S. Finally scheduled the Exam... 1-13-11 is the big day. Any advice on > how to prepare during the final week? >
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