[c-nsp] Bug with IOS-XR and SPAN ports?

[Saku Ytti]

On 9 November 2016 at 23:24, Hank Nussbacher <hank at efes.iucc.ac.il> wrote:

Hey Hank,

> On IOS-XR 5.1.3 - no problem with the above config.  On IOS-XR 5.3.3 we
> found that when the destination SPAN port gets overloaded, in addition
> to dropping the pkt destined to the destination port (no big deal),
> IOS-XR also silently drops the pkt from the port that was being SPANed
> (yes, a big deal).  Has anyone encountered this, or has a workaround or
> a Cisco bugid?

I doubt it truly is silent. I would encourage you to graph NPU
counters and see if some counter increments during these episodes. If
you can correlate it to some NPU counter, it will give Cisco
developers very good lead to solve your problem.

-- 
  ++ytti