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Load Balancing T1s with the PIX

sahmad
Level 1
Level 1

PIX code 6.3(1).

I have 2 T1s through 2 2600 routers from 2 different ISPs. Can I load balance traffic through the PIX, using OSPF, over equal cost routes? I would setup the 2 fa0/0 on the routers in front of the PIX and the outside interface in the same area. One route would go out the outside interface to one router and another would go out a different interface to the other router. If this is not feasible, are there other ways to load balance the T1s other than BGP?

Thanks,

RJ

1 Reply 1

seanm
Level 1
Level 1

My initial thought is that that will wreak havoc on the PIX state table by introducing potentially assymetric routing.

Also, given two different ISPs, you defeat BGPs ability to provide optimal routing by using equal cost load balancing. If provider A has a one hop path to destination that is 5 hops via provider B, load balancing may send it the long way.

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