Alternate IP Addresses

Unanswered Question
Jun 28th, 2007

Hi All,

Strange problem. I have a L3 switch that has an IP link to another switch with a primary and an alternate IP address.

When I ping off of that switch, the first hop shows as follows:

1 10.52.252.58 0 msec primary add

10.52.252.57 0 msec alt address

10.52.252.58 4 msec primary add

2 10.52.252.18 0 msec 0 msec 0 msec

Any idea why it bounces between the two?

Cheers,

Dan

I have this problem too.
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mmandel Thu, 06/28/2007 - 07:16

Check your routing table. What routing protocol are you using?

Check the route metrics for the the primary and secondary IP address on the switches, and anything in between.

daniel.bowen Thu, 06/28/2007 - 07:21

Hi,

There is nothing inbetween.

The routing protocol is OSPF and the metric to both addresses is 0.

Cheers,

Dan

spremkumar Thu, 06/28/2007 - 19:33

hi dan

can you post the config here and also the output of show ip route ?

regds

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