[c-nsp] Sup2T - poor netflow performance

Roland Dobbins rdobbins at arbor.net
Fri Oct 18 10:57:09 EDT 2013

Chris Welti <chris.welti at switch.ch> wrote:

>ingress and egress on the same interface is a configuration officially 
>supported by Cisco for the Sup2T. Escpecially for the Sup2T-XL/DFC4-XL 
>which has separate netflow tables for ingress and egress, there should 
>be no overflow issues due to this.

I've not read anywhere or been told that ingress & egress is now officially supported on Sup2T, & would be grateful for any pointers you can share, thanks!  

>just as a side note, while 'match' is fine for input ifindex, output 
>ifindex should NOT be used as a match field in a netflow record for 
>ingress netflow.

Concur 100%.  The key ifindex should match the flow tabulation directionality. 

Roland Dobbins <rdobbins at arbor.net>

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