North American Network Operators Group|
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Re: The Cidr Report
| > B/ When we can easily do: | > | > "router bgp N | > proxy-aggregate route-map Lazy-Types | | I may be misunderstanding, but does this (proposed) config statement | automaticly suppress (aggregate) any prefixes that are exactly the | same as another prefix except in the length? For example given | | 126.96.36.199/16 | 188.8.131.52/24 | 184.108.40.206/24 | | the last two would not be propogated? That would be cool! Right, essentially. This is particularly easy if all the attributes are the same, notably the AS_Path. In IOS there is already a pretty good set of tools to choose what one proxy-aggregates -- and how -- that were developed several years ago; a tool to choose when to apply a set of these would also be useful. One policy that I think would be useful would be: "Does the origin AS announce more than N prefixes? If so, aggregate/drop more specifics as follows..." Sean.