Hi,
I'm having some issues with ISDN backup failover and hopefully someone has
done this before.
-Central site with a dedicated T1 through serial int. to Remote site router
-Central site also has a ISDN to Remote site to a second router
The Central serial has the BRI as a backup. Also, we are NOT using RIP
(although this is not out of the question) When we pull the T1 the ISDN
comes up and everything seems fine. But when the T1 is put back, there are
very weird things happening. I'm pretty sure its routing, so I've include
the route commands of each router. Any thoughts, ideas, suggestions would be
greatly appreciated. Thanks.
Chris
Central Router
0.0.0.0 0.0.0.0 192.168.2.10 ---This route goes to the internet
ip route 192.168.1.0 255.255.255.0 123.123.123.1 -- This goes to the Remote
site through the T1
router
ip route 192.168.1.0 255.255.255.0 Dialer1 50 -- This goes to Remote site
through ISDN router
Remote Site T1 Router
ip route 0.0.0.0 0.0.0.0 123.123.123.2 - Goes to Central T1
ip route 0.0.0.0 0.0.0.0 192.168.1.2 50 - Goes to Central through Remote
ISDN
(192.168.1.2 is LAN side of
ISDN router)
Remote site ISDN Router
ip route 0.0.0.0 0.0.0.0 192.168.2.1 - 2.1 is ethernet side of Central
router (ipunnumbered over
ISDN)
Hope this is clear enough.
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