From: Olivier Martin (omartin@xxxxxxxx)
Date: Sat Sep 15 2001 - 21:47:54 GMT-3
Len,
It is my understanding that snapshot routing is not designed to provide a
backup to a link. If you try to make the dialer snapshot working on a
dialer interface that is on standby, I don't think that the interface will
be able to dial. Because it is in a standby mode. However, if you don't
put the interface in backup mode, you might be able to configure the dialer
snapshot feature. After this, you should apply a offset-list to routing
updates comming out of R5 so that the cost to get to R4 is higher on the BRI
link. May be I'm missing something ..
Olivier
-----Message d'origine-----
De : Len Tucker [mailto:tuckerfamily2@erols.com]
Envoyi : 15 septembre, 2001 20:33
@ : ccielab@groupstudy.com
Objet :
Regarding backup interface and snapshot routing. The only reason this
puzzles me is because my solution seems logical but the lab answers seem
odd. (CCIE lab practice kit Hutnick).
I have 2 routers connected via bri and serial interfaces.
The lab states to configure r4 to use the bri int as a backup to s0/0 (no
problem)
r5 to be the receiving router. Now to configure rip w/ snapshot (no problem
I
thought)
My answer was to configure r4 as the client and r5 as the server. Reason
being if r5 was the client it would try to dial an interface in standby mode
(essentially down).with r4 as the client it will only dial the server when
the bri int is up (when the serial int fails).
What's the right answer?
Any responses would be greatly appreciated.
Len Tucker
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