RE: EIGRP Topology Table

From: Ned (ccie2004@excite.com)
Date: Tue Dec 21 2004 - 15:52:27 GMT-3


Hi All, Thx for your responses and I guess I forgot to mention something. What if a route is redistributed into eigrp from another routing protocol say EBGP than on that particular router that router would choose BGP because of admin distance and than we redistribute the bgp into eigrp but the internal routers are already receiving an eigrp update from another router at a different locations would ALL the routes show ip in the eigrp topology table of the internal routers say 2-3 hops away on a different router. Thx--- On Mon 12/20, Brian McGahan < bmcgahan@internetworkexpert.com > wrote:From: Brian McGahan [mailto: bmcgahan@internetworkexpert.com]To: Vijaybhasker.Vuppala2@ge.com, ccie2004@excite.com, ccielab@groupstudy.comDate: Mon, 20 Dec 2004 22:54:19 -0500Subject: RE: EIGRP Topology TableThis is correct. Routes in the EIGRP topology that are not installed inthe IP routing table have a feasible distance of inaccessible(infinite). This means, like a metric of 16 in RI!
 P, that the route isnot used nor is it advertised onto other neighbors.Brian McGahan, CCIE #8593bmcgahan@internetworkexpert.com Internetwork Expert, Inc.http://www.InternetworkExpert.comToll Free: 877-224-8987 x 705Outside US: 775-826-4344 x 70524/7 Support: http://forum.internetworkexpert.comLive Chat: http://www.internetworkexpert.com/chat/>; -----Original Message-----> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On BehalfOf> Vijaybhasker.Vuppala2@ge.com> Sent: Monday, December 20, 2004 9:11 PM> To: ccie2004@excite.com; ccielab@groupstudy.com> Subject: RE: EIGRP Topology Table> > If a route to a subnet is available in the topology table but is not> installed in routing table for some reason (Eg: router has anotherroute> to> the same subnet with better admin distance like static route) itdoesn't> propogate/advertise the EIGRP route to it's neighbour...> > Others group members....correct me if i'm wrong....> > --!
 ---Original Message-----> From: Ned [mailto:ccie2004@excite!
 .com]&gt

; Sent: Monday, December 20, 2004 8:44 PM> To: ccielab@groupstudy.com> Subject: EIGRP Topology Table> > > Hi, was just reading up on some eigrp and had a doubt which I am sure> most> of you know the answers too. When viewing the show ip eigrp topologytable> on a router what routes will I see in the table?Will all routes that Isee> in a neighboring routers topology table show up in this routerstopology> table even though the neighbor might not be using that route in the> routing> table.So I think my question goes back to where if the route is notbeing> used by a router will it advertise that route to its neighbors? Thnksfor> your help.> > _______________________________________________> Join Excite! - http://www.excite.com>; The most personalized portal on the Web!> >_______________________________________________________________________> Subscription information may be found at:> http://www.groupstudy.com/list/!
 CCIELab.html> >_______________________________________________________________________> Subscription information may be found at:> http://www.groupstudy.com/list/CCIELab.html_______________________________________________________________________Subscription information may be found at: http://www.groupstudy.com/list/CCIELab.html



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