EIGRP route filtering, use distribute-list, or ip sumary-address

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Mar 16th, 2008

I have a situation where I want to filter EIGRP routes being sent to a down stream switch (Layer 3). In this senario we have a 6513 sending routes to a down stream 3560E configured as a EIGRP stub-connected. My question is what is the preferred method to filter the EIGRP routes and only send a EIGRP default route to the downstream 3560E? Is it best to use a distribute list or the ip summary-address command? I know they pretty much do about the same thing. I have heard that a distribute-list is less risky since it does not place a default route to null0 in EIGRP topology route table.

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prakapat Wed, 03/19/2008 - 11:10

Will try summary address and then in distribute-list filter all except default using prefix-list

Filter Null entry out using distance if possible.

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