[c-nsp] Netflow Collector shows minimal bandwidth from 6509

[Justin Krejci]

Thanks,

ip flow ingress is already defined on my setup

We are trying to avoid sampling (currently we're not seeing any contention
or other load issues)

Apparently when putting in "ip route-cache flow" it changes the syntax to
"ip flow ingress"

conf t
int g5/1
no ip flow ingress
no ip route-cache flow
ip route-cache flow
end
show run | section interface GigabitEthernet5/1

yields: 
ip flow ingress


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Peter Kranz
Sent: Monday, July 06, 2009 2:25 PM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Netflow Collector shows minimal bandwidth from 6509

We needed the following to see all of the flow data (we use sampling as
well):

int x/x
 ip flow ingress
 ip route-cache flow
 mls netflow sampling

Peter Kranz
Founder/CEO - Unwired Ltd
www.UnwiredLtd.com
Desk: 510-868-1614 x100
Mobile: 510-207-0000
pkranz at unwiredltd.com


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Andreas Bourges
Sent: Monday, July 06, 2009 7:39 AM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Netflow Collector shows minimal bandwidth from 6509

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Hi,

On Monday 06 July 2009 16:01:42 Justin Krejci wrote:
>
>
> interface GigabitEthernet5/1
>
>  ip flow ingress
>
>  ip flow egress

...ip flow egress will only catch the software-processed flows. So you will 
need to modify your netflow setup to enable ip flow ingress on all layer3 
interfaces to catch all output traffic for gig5/1.

which doesn't explain why you're still missing 50% of your ingress flows ?!


Regards,

Andy

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