From: Ramasubramanian Sethuraman (snrmanian@hotmail.com)
Date: Wed Mar 10 2004 - 12:03:12 GMT-3
Cezar,
For the specific route, you have administrative distance(AD) as 180 for the
neighbor 10.160.100.1, but for the other neighbor(10.160.30.3),
you have the default AD value which is 90.
Metrics comes into play only when the administrative distances are
equal. Since you have unequal AD for the 2 neighbors, 10.160.30.3
will always be prefered for 11.11.0.0/16, even if it has higher cost
compared to 10.160.100.1. This is because lower AD is always prefered.
thanks,
subbu
>From: Cezar.SpatariuNeagu@commerzbank.com
>Reply-To: Cezar.SpatariuNeagu@commerzbank.com
>To: ccielab@groupstudy.com
>Subject: FW: EIGRP Offset-list question Date: Wed, 10 Mar 2004 15:30:07
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>
>Hello all,
>
>
>I have 3 router speaking eigrp connected as following r1---r3---r2-----back
>to----r1 I try to influence the metric on R2 to chose another path using
>offset list to the net 11.11.0.0/16
>The route in the R2 routing table look like this.
>
>D 11.11.0.0 [90/294160] via 10.160.30.3, 00:17:19, Vlan3
>
>The topology table look like this:
>
>P 11.11.0.0/16, 1 successors, FD is 294160, serno 173
> via 10.160.30.3 (294160/291600), Vlan3
> via 10.160.100.1 (286720/284160), Vlan100
>
>And the routing process on r2 look like this
>
>router eigrp 200
> redistribute eigrp 100
> offset-list 1 in 10000 Vlan3
> network 10.160.30.0 0.0.0.255
> network 10.160.100.0 0.0.0.255
> maximum-paths 6
> distance 180 10.160.100.1 0.0.0.0 1
> no auto-summary
>!
>router eigrp 100
> redistribute eigrp 200
> network 10.160.40.0 0.0.0.255
> maximum-paths 6
> no auto-summary
>!
>access-list 1 permit 11.11.0.0 0.0.255.255
>
>Can some one explain me why the eigrp select this route because the FD on
>case 10.160.100.1 is less that the RD on 10.160.30.3 ?
>
>
>Regards
>
>Cezar Spatariu Neagu
>
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