Cisco access list - multihomed question

[Brian Longwe <blongwe at psg.com>]

Hi,

The scenario. 

- Two upstream circuits on the same border router
- I want to use one to carry (outgoing) traffic for certain customer networks only
- I want to use the other as the standard default for all other customer traffic



   Upst #1 s0/0     [---------]
--------------------[         ]< Upst #1 should route traffic for x.y.z.0/25
                    [         ]
--------------------[         ]
   Upst #2 s1/0:16  [---------]< Upst #2 should route traffic for all others

- Both upstream connections go to the same provider
- There is no BGP with upstream provider, only static defaults (until now)

Instinctively I want to define route-maps to block traffic for #2 from #1 and block traffic for #1 from #2 with a "next-hop" statement to redirect in each route-map.

Is this the right logic? Anyone with similar experience who can give tips?

Thanks,

Brian Longwe

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