From: Duongla (duongla@vnn.vn)
Date: Thu Sep 08 2005 - 11:22:01 GMT-3
Hi Lee
From R3, the metric to destination Z should be 2 hop-counts (R2-R1). The
problem starts at R2, he he.
Pls review the scenario if you could help.
Thanks
Duongla
----- Original Message -----
From: "Lee Donald" <Lee.Donald@t-systems.co.uk>
To: "Duongla" <duongla@vnn.vn>; "Cisco certification"
<ccielab@groupstudy.com>
Sent: Thursday, September 08, 2005 9:15 PM
Subject: RE: IPv6 RIP metric: strange calculation
> What problem?
>
> R3 should have a metric of 3 should it not?
>
> On your topology R2 has the route with a metric of 2, passes it to R3, now
> R3 has the route with a metric of 3, hop count has increased by 1 hop,
which
> is correct.
>
> Regards
>
> Lee.
>
>
>
> -----Original Message-----
> From: Duongla [mailto:duongla@vnn.vn]
> Sent: 08 September 2005 14:54
> To: Cisco certification
> Subject: IPv6 RIP metric: strange calculation
>
> Hi group,
>
> Doing a simple IPv6 RIP lab on 3 routers:
> f0/0-R1-s0/0------s0/0-R2-s0/1------s0/0-R3-f0/0
> Suppose R1 f0/0 IPv6 address is Z.
> I noticed the following:
> R1 advertises Z with metric of 1: this is normal behaviour
> R2 receives the route Z with metric of 1. "show ipv6 route" output shows
> route Z with metric 2. R2 continues to send route Z metric 2 to R3 without
> increasing the metric.
> R3 has a route to Z with metric 3. It also sends the route out int f0/0
> with
> metric 3.
> All my routers use c2600-is-mz.122-15.T16.bin. Is this the bug of the IOS
?
>
> Has anyone got the same problem ?
>
> Regards
> Duongla
>
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