[c-nsp] asr9k (xr 4.1.2) null 0 traffic not showing packets in packets out

Pshem Kowalczyk pshem.k at gmail.com
Sun Oct 13 19:01:41 EDT 2013


My guess is that you won't be able to see them. Each NP determines the
destination of the packet (and egress NP), I suspect if the
destination is determined to be 'Null0' the packet is plainly
discarded there and then.

kind regards

On 12 October 2013 03:20, Aaron <aaron1 at gvtc.com> wrote:
> I have a static route pointing to null 0. I know I have traffic flowing
> towards null 0, but "sh int null 0" shows no packets out.  Why not ?
> I have 7609's that I point static routes to at null 0 and I see packets out,
> and I get to mrtg traffic graph that blackholed traffic.  But I don't seem
> to see the same thing in asr9k.  is there a way to see that traffic that is
> going out null 0 on my asr9k ?
> Aaron
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