[c-nsp] Monitoring failed state of DSL / Cable (Ethernet) interfaces

[Bruce Pinsky]

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Brian Feeny wrote:
| I have a configuration where I am load balancing default routes over 2
| WAN interfaces.
|
| One interface is a T1 and the other is an ethernet interface plugged
| into a DSL / Cable bridge.
|
| My concern is that if the connectivity goes down on the Cable / DSL
| then the interface
| may stay up, since the ethernet connection may still look good.
|
| I think some of you are using SAA stuff to deal with his, does anyone
| have any links on this?
|
| Basically I just want to check the next hop and if its down, then pull
| the route.
|

Check out
http://www.cisco.com/en/US/about/ac123/ac114/ac173/Q2-04/department_techtips.html

I think it covers a couple of scenarios like yours (though you probably
don't need the dialup backup portion).

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bep

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