[c-nsp] Total output drops

Andrey O.Sokolov arctic at alkar.net
Thu Oct 29 11:04:54 EDT 2009


В чт, 29/10/2009 в 12:28 +0100, Peter Rathlev пишет:
> On Thu, 2009-10-29 at 11:27 +0200, Andrey O.Sokolov wrote:
> > I have a problem with total output drops on the etherchannel.
> > 
> > I have the etherchannel between 
> > cisco WS-C3560E-24TD (System image file is "flash:/c3560e-universalk9-mz.122-46.SE.bin") and
> > CISCO7606 (SUP-32) (c7600s3223_rp Software (c7600s3223_rp-ADVIPSERVICESK9-M), Version 12.2(33)SRB4, RELEASE SOFTWARE (fc3))
> [...]
> > Port-channel1 is up, line protocol is up (connected) 
> [...]
> >   Members in this channel: Gi0/7 Gi0/8 Gi0/9 Gi0/10 Gi0/11 Gi0/12 Gi0/13 Gi0/14 
> >   ARP type: ARPA, ARP Timeout 04:00:00
> >   Last input never, output 00:02:19, output hang never
> >   Last clearing of "show interface" counters never
> >   Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 46509
> > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > 
> > This counter constantly increasing :(
> 
> I assume the dropping is only on the 3560E. 

You are right, Peter.

> What does "show interface
> Po1 counters errors" say? 

Port        Align-Err     FCS-Err    Xmit-Err     Rcv-Err  UnderSize
OutDiscards 
Po1                 0           0           0           0          0
47709 


> Are they all OutDiscards?

Yes.

> If they are, look at the QoS drop stats (even though QoS is disabled):
> "show platform port-asic stats drop Gi0/7" and so on.

Only:
  Queue 3
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 873


> It might be the shallow buffers discussed many times on this list.

I am very grateful, Peter ;)

-- 
 ***AOS224-RIPE***              mailto:arctic at alkar.net
 Phone +38(056)3728047



More information about the cisco-nsp mailing list