aren't the 2 7206 dual homed, 2 connections to each ISP? why not run hsrp on the 7206 and let those routers make decisions for all internal routers?
>From: "Ouellette, Tim" >Reply-To: "Ouellette, Tim" >To: [EMAIL PROTECTED] >Subject: RE: BGP question [7:40525] >Date: Thu, 4 Apr 2002 18:39:17 -0500 > >This can be simplified in the following way. > >If you want your internal routers to be able to make a routing decision >based on an external bgp route that is somewhere on the net that I'd think >your internal router (3660) has to have that route in it's routing table >(maybe redistributed into some IGP from BGP). Maybe not the best way. > >Or, you could inject default routes from each BGP speaker (your 7200's) >into >your IGP. If let's say one of your 3600's send a packet to it's default >gateway (one of the 7200)'s which in turn could pass it over ethernet to >the >other 7200 if you setup some policy routing etc. > >I'd say you might want have your 2600/3600's connected to both 7200's for >redundancy in case one box completely fails it'll use the other. This >could >be done be accepting the default routes from each 7200 or by creating a >floating static that way if the primary route to the internet fails, it'll >use a backup. These are just a couple of ideas. If you provide some >specifics of the layout, I may be able to help out a bit more. Also, I'm >sure some of the experts here will provide much better detail of how >they've >implemented such a design. > >In short, I'm thinking that if you want a 2600/3600 to make a decision on >which 7200 to go out of for a specific route, it has to know about it. > >Tim > >-----Original Message----- >From: Steven A. Ridder [mailto:[EMAIL PROTECTED]] >Sent: Thursday, April 04, 2002 4:29 PM >To: [EMAIL PROTECTED] >Subject: BGP question [7:40525] > > >If I had 2 7206 routers dual homed to two different ISP's for redundancy, I >know I don't NEED the full bgp table, but if I were to accept them for >optimal routing within my network, how would I tell my internal routers who >don;t run BGP which of the two 7206 routers to go to for a specific route >oout to the internet? I assume doing a redistribution into the IGP is a >big >no-no, so how do small 3600's and 2600's inside the AS know which of the >two >routers to send the traffic to based on the fact that that one router has >the better route? > >I can think of adding a third 7206 router which would run BGP, connect to >the other two routers and accept the full table as well, and the internal >routers would use that one as the gateway to the internet, but if I didn't >have that third router, is there any other way? > >-- > >RFC 1149 Compliant. >Get in my head: >http://sar.dynu.com _________________________________________________________________ Chat with friends online, try MSN Messenger: http://messenger.msn.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=40592&t=40525 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
