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Load Balancing T1's from Two Mux's

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D3006

ISP
Apr 15, 2003
1
US
I have 3 T1's that go from one router to another router. Both routers are 7206's and we use EIGRP as our routing protocol. One router is using an 8 port CSU card and the other Router has 2 DS3 Mux's connected to it via a PA-MC-T3 card. We are bringing in 28 T1's into each mux and then send two DS3's into the router. So 3 of these T1's go between these two routers, but 2 T1's are going through one MUX and the other T1 is going through the other MUX.

So my question is can I load balance all three of these T1's? We have been told in the past that it is not posible to do this as they go through 2 different mux's, but since the mux is only layer two and we are load balancing on layer 3 we think it might just work.
 
ip cef will do load balancing on a per packet destination as long as you have equal cost route. By default it's set to per-destination which won't do what are trying to do.
 
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