From: Kay Olateru (kolateru@xxxxxxxxx)
Date: Fri Feb 02 2001 - 10:47:36 GMT-3
All,
Apologies if this does not fall within the CCIE Lab exam, however, I would
like to confirm whether the solution I am thinking is right.
Problem:
I want to backup a leased line failure between site A and B(failure meaning
all routes to B have been lost), to first dial site B and if this fails then
dial a second site C on a different subnet. How can you dial the second site
automatically after the first dial backup has failed.
Solution???
Use the normal dial backup with DDR to back up the leased line, and then use
floating static route (with higher administrative distance of course!) with
DDR to dial Site C. I presume that this will only work if there is no route
entries on A for site B, but the only viable route will be via C - the
floating static route.
Has anybody tried this before or have I missed something completely basic??
Regards
Kay. S. Olateru (Mr)
Systems Engineer, CCDP
Network Service Providers - Western Europe
ISP1
Cisco Systems, EMEA
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