[c-nsp] Sampled netflow on 6500/7600

[Bill Nash]

Yeah, I'm not coming close to that level of utilization, so maybe I'm just 
not pushing enough traffic to see your particular issue.

- billn

On Fri, 30 Jun 2006, Richard A Steenbergen wrote:

> On Fri, Jun 30, 2006 at 06:24:03PM -0400, Bill Nash wrote:
>>
>> I'm not going to even pretend to have your level of expertise here, but
>> I'm only seeing one or two percent tcam utilization on a moderately loaded
>> 6509. I suppose it's also possible that even though I'm configured in
>> such a manner that I'm still pulling 15 to 16 gigs of raw flows out of my
>> network on a daily basis, I'm still doing it wrong.
>
> Well just to clarify, by moderate load I mean something like:
>
>     Forwarding engine load:
>                     Module       pps   peak-pps                     peak-time
>                     5        1489010    2542352  13:05:48 EDT Sun May 21 2006
>
> show fabric utilization all:
> slot    channel      speed    Ingress %     Egress %
>    1          0        20G           17            6
>    1          1        20G           15           12
>    4          0        20G            5           10
>    4          1        20G            8           16
>    5          0        20G            0            0
>
> Aka nowhere close to "large volumes of traffic", but not completely empty,
> just a typical aggregation box pushing typical internet traffic.
>
> Summary of Netflow CAM Utilization (as a percentage)
> ====================================================
> TCAM Utilization             :   72%
> ICAM Utilization             :   0%
>
> Destination flowmask only, v4 sampling only, v5 export, etc.
>
> -- 
> Richard A Steenbergen <ras at e-gerbil.net>       http://www.e-gerbil.net/ras
> GPG Key ID: 0xF8B12CBC (7535 7F59 8204 ED1F CC1C 53AF 4C41 5ECA F8B1 2CBC)
>