RE: EIGRP Topology Table

From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Tue Dec 21 2004 - 16:38:33 GMT-3


Ned,

        The router that is doing the redistribution cannot prefer its
own redistributed routes.

Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com

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________________________________________
From: Ned [mailto:ccie2004@excite.com]
Sent: Tuesday, December 21, 2004 1:36 PM
To: Vijaybhasker.Vuppala2@ge.com; ccie2004@excite.com; Brian McGahan;
ccielab@groupstudy.com
Subject: RE: EIGRP Topology Table

Hi Vijay,

Sorry I thought i had mentioned it but both routes are External EIGRP.
Hence both are 170. Sorry

--- On Tue 12/21, < Vijaybhasker.Vuppala2@ge.com > wrote:
From: [mailto: Vijaybhasker.Vuppala2@ge.com]
To: ccie2004@excite.com, bmcgahan@internetworkexpert.com,
ccielab@groupstudy.com
Date: Tue, 21 Dec 2004 13:04:43 -0600
Subject: RE: EIGRP Topology Table

External Routes of EIGRP have admindistance of 170 against the internal
routes with admin distance 90....obviously internal routes are preferred
-----Original Message-----
From: Ned [mailto:ccie2004@excite.com]
Sent: Tuesday, December 21, 2004 12:52 PM
To: bmcgahan@internetworkexpert.com; Vuppala, Vijaybhasker (GE ERC,
GECIS, Contractor); ccie2004@excite.com; ccielab@groupstudy.com
Subject: RE: EIGRP Topology Table

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.com
Date: Mon, 20 Dec 2004 22:54:19 -0500
Subject: RE: EIGRP Topology Table

This is co! rrect. Routes in the EIGRP topology that are not installed
in
the IP routing table have a feasible distance of inaccessible
(infinite). This means, like a metric of 16 in RIP, that the route is
not used nor is it advertised onto other neighbors.

Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com

Internetwork Expert, Inc.
http://www.InternetworkExpert.com
Toll Free: 877-224-8987 x 705
Outside US: 775-826-4344 x 705
24/7 Support: http://forum.internetworkexpert.com
Live Chat: http://www.internetworkexpert.com/chat/

> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> 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 rout! ing table for some reason (Eg: router has another
route
> to< BR>> the same subnet with better admin distance like static route)
it
doesn'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]
> 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 topology
table
> on a router what routes will I see in the table?Will all routes that I
see
> in a neighboring routers topology table show up in this routers
topology
> 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 not
being
> used by a! router will it advertise that route to its neighbors? Thnks
for
> your help.
>
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