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

About Brian Dennis, CCIE #2210:

Brian Dennis has been in the networking industry for more than 22 years, with a focus on Cisco networking for the past 16 years. Brian achieved his first CCIE in Routing & Switching in 1996, and is currently the only ten year CCIE that holds five CCIE certifications. Prior to working with INE, Brian taught and developed CCIE preparation courses for various well known training organizations. Brian not only brings his years of teaching experience to the classroom, but also years of real world enterprise and service provider experience.

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2 Responses to “BGP Order of Preference”

  1. [...] when performing certain tasks (QoS Order of Operations, IOS Egress and Ingress Order of Operations, BGP Order of Preference), but I can’t find any references for order with regards to this problem. Anybody else [...]

  2. Well…. The book “BGP Design and Implementation” suggests otherwise:

    Filter List, Route Map, Distribute List/Prefix List

    Distribute List/Prefix List, Prefix List via ORF, Filter List, Route Map

    This is one of the things I’ve added to my “Labs to do” list :)



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