[c-nsp] C65K: Any significant correlation between import filter route-map complexity and BGP Router process utilization?

Łukasz Bromirski lukasz at bromirski.net
Sun Sep 5 05:49:50 EDT 2010


On 2010-09-05 04:11, Keegan Holley wrote:
> I understand turbo ACLs.  I was saying that the enhancements only apply to
> packet manipulations not routing protocols.  I'm not sure if it is causing
> the issues that started this thread, but the only way to optimize route
> filters is to use prefix lists to match the routes.  For example all the
> items in the link you sent pertain to packet filtering, QOS or natting.
>  Correct me if I'm wrong but, I don't believe the improvements in ACL
> processing applied to those used for route filters.

Right, if the ACL is used for route manipulation, CPU has to process it
and there's no added value in hardware processing even if platform
supports it. Sorry, I didn't get your point.

-- 
"Everything will be okay in the end.  |                 Łukasz Bromirski
 If it's not okay, it's not the end." |      http://lukasz.bromirski.net


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