From: Michael T Storie (mts@xxxxxxxxxx)
Date: Sun Jun 25 2000 - 17:09:22 GMT-3
What document are you referring to? Doyle's book page 526 mentions
that OSPF doesn't advertise hello's out secondary interfaces because
they are treated as stub networks... so no adjacency. As for EIGRP,
hello's and updates can only be sourced from the primary IP address,
not the secondary. So it also can't build peer relationships over
secondary addresses either. However, RIP and IGRP will advertise
networks over secondary addresses (with some split-horizon
limitations).
Mike Storie
----- Original Message -----
From: John Conzone
To: ccielab
Sent: Wednesday, June 21, 2000 2:30 PM
Subject: routing and IRB
I've been doing some IRB testing in my lab and have run into a
confusing issue. The docs say that if you have different subnets on
your IRB interfaces use secondary addressing on the BVI to make those
subnets available to the routing protocol. I thinks that is almost an
exact quote as a matter of fact.
However, I cannot get any routing protocol to recognize any
address other than the primary. In my case I ran OSPF and EIGRP and
the hello's were sourced from the primary only. I could not establish
neighbor relationships with hosts on other subnets because the hellos
were sourced from from the primary only and the hosts on other nets
rejected the hellos because they were not from the same net. (I
watched this on debugs)
The only way I could establish neighbors was to create a BVI for
each net and put it in the routing protocol. What is the documentation
trying to say, and am I missing something?
Thanks!
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