[c-nsp] Sup720 & netflow

[Tim Stevenson]

The rate is not really the concern, sup720 can collect NF stats at 
line rate. The question is the number of unique flows & the 
configured flow mask. Do you care about application layer data 
(protocol & L4 ports) or just source/dest or dest IP is enough?

I think if you search the cisco-nsp archives you'll find several 
discussions of NF scalability on 6500/7600, including the balancing 
act between CPU/NF overflow/"real-time" stats.

Tim

At 02:45 PM 12/5/2006 -0500, Robert J. Adams noted:
>Hello everyone,
>
>Is anyone running netflow (on sup720) w/ a serious amount of traffic?
>We're pushing around 35-40G of traffic through a Sup720 and would like
>to get an idea on which ASN's it's heading to. I've heard that anything
>  > 1G can be problematic?
>
>Thanks,
>Robert Adams
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Tim Stevenson, tstevens at cisco.com
Routing & Switching CCIE #5561
Technical Marketing Engineer, Catalyst 6500
Cisco Systems, http://www.cisco.com
IP Phone: 408-526-6759
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