From: P729 (p729@cox.net)
Date: Tue Sep 17 2002 - 18:39:31 GMT-3
Just thinking out loud...Two classful routing protocols, one
classless...what's the major net addressing scheme?
Regards,
Mas Kato
https://ecardfile.com/id/mkato
----- Original Message -----
From: "Paglia, John (USPC.PCT.Hopewell)" <JPaglia@NA2.US.ML.com>
To: <ccielab@groupstudy.com>
Sent: Tuesday, September 17, 2002 1:08 PM
Subject: IGRP Disaster
I cam across a troublesome event today in my practices and I am at a bit of
a loss, thus I am asking for some expertise...
isdn --------r5-----eth----r4
| |
| |
| frame
| |
r2-----------frame----------r3
|
|
serial
_|__
r1
r1 to r2 - RIP
r2 to r3 to r4 - OSPF
r4 to r5 and isdn to r2 - igrp
I have rip mutually redistributing into ospf and all is well, I can ping all
loopbacks and connecting network addresses. Then I configure IGRP on r2, r4
and r5 and redistribute w/ ospf using route maps at both points, and the fun
begins!!!
Once this is done, and with the isdn still down, the network btwn r1 and r2
disappears from every router, making a ping from r1 impossible. All other
networks are present. When ISDN is up (interface backup on r5 igrp
interface), the net btwn r1 and r2 shows up on r5 only. Meanwhile, the
loopback on r5 will not show up on r1 and vice versa.
Is there some basic IGRP condition that is causing this to happen? Any
ideas???
Thanks,
Pags
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