From: Piotr (usaccie@gmail.com)
Date: Wed Dec 03 2008 - 23:11:01 ARST
It looks like this is the correct order:
For outbound updates the order of preference is:
1. prefix-list, distribute-list
2. filter-list
3. route-map
On Wed, Dec 3, 2008 at 7:10 PM, Hobbs <deadheadblues@gmail.com> wrote:
> Hello,
>
> Please reference:
>
> http://www.ciscosystems.com/en/US/tech/tk365/technologies_q_and_a_item09186a00800949e8.shtml#
>
> As far as I can tell the order of operations for route filtering are (This
> is the 3rd question on the FAQ):
>
> For inbound updates the order of preference is:
> 1. route-map
> 2. filter-list
> 3. prefix-list, distribute-list
>
> For outbound updates the order of preference is:
> 1. prefix-list, distribute-list
> 2. filter-list
> 3. route-map
>
> However, further down is this question and answer (5th from the bottom):
>
> Q. How can I filter all IP routes advertised to a BGP neighbor except the
> default route 0.0.0.0/0?
> A. The specific routes can be filtered if you use inbound filter-list,
> distribute-list, prefix-list and route-map all at the same time for the
> same
> bgp neighbor. This is the order of operation:
> 1. Filter-list
> 2. Router-map
> 3. Distribute-list (or) prefix-list
>
> Is this last question conflicting the previous one?
> What's the difference between only allowing a default route as opposed to
> only allowing certain other routes?
>
> thank you
>
>
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>
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