[c-nsp] 6500 Netflow

Richard A Steenbergen ras at e-gerbil.net
Thu Apr 17 18:22:37 EDT 2008


On Thu, Apr 17, 2008 at 10:25:46AM -0700, Ian Cox wrote:
> This is not how per interface works. Flows are only created in the 
> netflow table for interfaces it is enabled on. Interfaces without 
> netflow enabled drive a null flow mask and this results in no entries 
> being created in the netflow table for those interfaces. If you 
> enable nde on an interface this results in a non-null flow mask being 
> used and an entry being created in the table.

I've specifically heard from people who have tested it (which hasn't been 
me, so far) that SRB/SRC added something in addition to the netflow 
enhancements in SXH/SRA so that TCAM overflow is dramatically reduced. Are 
you saying that isn't true at all, or just that this specific detail isn't 
true?

-- 
Richard A Steenbergen <ras at e-gerbil.net>       http://www.e-gerbil.net/ras
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