Tharo_Systems
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Cisco Failover Config
I have a Cisco 2620 with an NM-4E 4-port Ethernet card in it and IOS version 12.2. I have a DSL modem with a dynamic IP in bridge mode (PPPOE settings are taken care of on the modem, so it's essentially just ethernet) and a T1 connection that goes through another router, so this is also just ethernet. The local network is on NAT (192.168.5.0/24). We want to use the DSL all the time unless it is down, then switch over to the T1. I had planned on just setting the administrative distance higher on the T1, but I've been told that this will only work if the DSL modem itself goes down because it won't be able to detect any other problems. Is this correct? Can somebody recommend a better solution or help me figure out how to get this working the way I want? Also, will the dynamic IP be a problem? Thanks!
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show ver says I'm on Version 12.1(3r)T2. It's not letting me enter 'IP SLA 1' from the 'config t' mode. Is this not supported in my IOS or did I miss something? Is there another way? Thanks!
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I have it working, but only using administrative distances. It seems my IOS does not support SLA. Thanks anyway!
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