[c-nsp] Pause Output on interface...

[Jonathan Charles]

Not an option.

ROUTER(config-if)#fl?
flow-sampler



Jonathan

On Fri, Oct 12, 2012 at 2:22 PM, Andriy Bilous <andriy.bilous at gmail.com>wrote:

> int g0/1
>  flow send off
>  flow rec off
>
> On Fri, Oct 12, 2012 at 9:05 PM, Jonathan Charles <jonvoip at gmail.com>
> wrote:
> > We have a Cisco 2921 running 15.2(3T);
> >
> > We are seeing PAUSE OUTPUT incrementing on the device, and every time it
> > does, our users experience pretty nasty jitter and silence on VOIP calls.
> >
> > The link is 1000BaseLX with a 100MB committed rate; we rarely see more
> than
> > 10-15MB of output or input traffic on the interface.
> >
> > Two questions:
> >
> > 1 - Who is originating the Pause Outputs? Cisco documentation is silent
> on
> > the subject and TAC has given us conflicting answers.
> > 2 - If generated locally, how can we stop them from doing so? The
> provider
> > is saying these are causing the issues we are experiencing.
> >
> >
> > ROUTER#sh int gi0/1
> > GigabitEthernet0/1 is up, line protocol is up
> >   Hardware is CN Gigabit Ethernet, address is 2894.0fbd.0091 (bia
> > 2894.0fbd.0091)
> >   MTU 1500 bytes, BW 100000 Kbit/sec, DLY 10 usec,
> >      reliability 255/255, txload 13/255, rxload 17/255
> >   Encapsulation 802.1Q Virtual LAN, Vlan ID  1., loopback not set
> >   Keepalive set (10 sec)
> >   Full Duplex, 1Gbps, media type is LX
> >   output flow-control is XON, input flow-control is XON
> >   ARP type: ARPA, ARP Timeout 04:00:00
> >   Last input 00:00:00, output 00:00:00, output hang never
> >   Last clearing of "show interface" counters 16:53:34
> >   Input queue: 1/4096/0/1204 (size/max/drops/flushes); Total output
> drops: 0
> >   Queueing strategy: Class-based queueing
> >   Output queue: 0/1000/0 (size/max total/drops)
> >   30 second input rate 6684000 bits/sec, 3871 packets/sec
> >   30 second output rate 5105000 bits/sec, 2906 packets/sec
> >      87183773 packets input, 3179860385 bytes, 0 no buffer
> >      Received 0 broadcasts (0 IP multicasts)
> >      0 runts, 0 giants, 0 throttles
> >      0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
> >      0 watchdog, 0 multicast, 0 pause input
> >      60076680 packets output, 4290590647 bytes, 0 underruns
> >      0 output errors, 0 collisions, 0 interface resets
> >      0 unknown protocol drops
> >      0 babbles, 0 late collision, 0 deferred
> >      0 lost carrier, 0 no carrier, 1252219 pause output
> >      0 output buffer failures, 0 output buffers swapped out
> > ROUTER#
> >
> > Thanks!
> >
> >
> >
> > Jonathan
> > _______________________________________________
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>