[c-nsp] NPE-G2 Gigabit Ignored Errors

[Clayton Zekelman]

No luck... didn't fix it. Is it fixed in a subsequent release?  Are 
there any other parameters I can tune?

GigabitEthernet0/1 is up, line protocol is up
   Hardware is MV64460 Internal MAC, address is 001a.6d30.091b (bia 
001a.6d30.091b)
   Description: to gig-fastiron Ethernet11
   MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
      reliability 255/255, txload 23/255, rxload 48/255
   Encapsulation 802.1Q Virtual LAN, Vlan ID  1., loopback not set
   Keepalive set (10 sec)
   Full-duplex, 1000Mb/s, media type is RJ45
   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 00:10:09
   Input queue: 0/4096/533/0 (size/max/drops/flushes); Total output drops: 0
   Queueing strategy: fifo
   Output queue: 0/40 (size/max)
   30 second input rate 189692000 bits/sec, 30246 packets/sec
   30 second output rate 91448000 bits/sec, 27197 packets/sec
      18432915 packets input, 1555851456 bytes, 0 no buffer
      Received 65 broadcasts, 0 runts, 0 giants, 0 throttles
      1117 input errors, 0 CRC, 0 frame, 0 overrun, 1117 ignored
      0 watchdog, 1034 multicast, 0 pause input
      0 input packets with dribble condition detected



At 02:16 PM 9/12/2008, Rodney Dunn wrote:
>Can you bump up your input queue depth:
>
>hold-queue 4096 in
>
>and see if they stop.
>
>I don't suspect that is going to help because the ignores
>are not increasing that would point to:
>
>CSCse05447
>Externally found moderate defect: Resolved (R)
>7200 ethernet interfaces should not throttle on input queue full drops
>
>Most likely you are seeing micro burst that are coming in faster
>than the CPU can drain the rx ring.
>
>Rodney
>
>
>
>On Fri, Sep 12, 2008 at 12:50:29PM -0400, Clayton Zekelman wrote:
> >
> > I'm running a Cisco 7206/VXR with an NPE G2,  Version 12.4(4)XD4
> > acting as an LNS.
> >
> > I'm getting input errors consistently incrementing on the Gig
> > interface (ignored errors)
> >
> > Any way to fix this?  I saw some discussion a while back about this,
> > and it seemed to have to do with buffers - but I can't find any
> > definitive recommendations on what the settings should be.
> >
> >
> >
> > GigabitEthernet0/1 is up, line protocol is up
> >   Hardware is MV64460 Internal MAC, address is 001a.6d30.091b (bia
> > 001a.6d30.091b)
> >   Description: to gig-fastiron Ethernet11
> >   MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
> >      reliability 255/255, txload 22/255, rxload 46/255
> >   Encapsulation 802.1Q Virtual LAN, Vlan ID  1., loopback not set
> >   Keepalive set (10 sec)
> >   Full-duplex, 1000Mb/s, media type is RJ45
> >   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 00:22:17
> >   Input queue: 0/75/1191/0 (size/max/drops/flushes); Total output drops: 0
> >   Queueing strategy: fifo
> >   Output queue: 0/40 (size/max)
> >   30 second input rate 181384000 bits/sec, 29001 packets/sec
> >   30 second output rate 86319000 bits/sec, 26045 packets/sec
> >      38605963 packets input, 4274358612 bytes, 1 no buffer
> >      Received 230 broadcasts, 0 runts, 0 giants, 0 throttles
> >      2677 input errors, 0 CRC, 0 frame, 0 overrun, 2677 ignored
> >      0 watchdog, 2196 multicast, 0 pause input
> >      0 input packets with dribble condition detected
> >      34556615 packets output, 1656923135 bytes, 0 underruns
> >      0 output errors, 0 collisions, 0 interface resets
> >      0 babbles, 0 late collision, 0 deferred
> >      0 lost carrier, 0 no carrier, 0 pause output
> >      0 output buffer failures, 0 output buffers swapped
> > out
> >
> >
> >
> > ---
> > Clayton Zekelman
> > Managed Network Systems Inc. (MNSi)
> > 344-300 Tecumseh Rd. E.
> > Windsor, Ontario
> > N8X 5E8
> >
> > tel. 519-985-8410
> > fax. 519-985-8409
> >
> > _______________________________________________
> > cisco-nsp mailing list  cisco-nsp at puck.nether.net
> > https://puck.nether.net/mailman/listinfo/cisco-nsp
> > archive at http://puck.nether.net/pipermail/cisco-nsp/

---
Clayton Zekelman
Managed Network Systems Inc. (MNSi)
344-300 Tecumseh Rd. E.
Windsor, Ontario
N8X 5E8

tel. 519-985-8410
fax. 519-985-8409