[c-nsp] 6509 input queue drops

Chris Lane clane1875 at gmail.com
Wed Jul 21 14:01:25 EDT 2010


module 3 is the slot in question:

cr.nyc1.ny# sh platform hardware capacity interface
Interface Resources
  Interface drops:
    Module    Total drops:    Tx            Rx      Highest drop port:  Tx
 Rx
    1                    9024698      97525200                          11
 39
    2                        172           401                           2
2
    3                        264      64828533                           9
5

  Interface buffer sizes:
    Module                            Bytes:     Tx buffer           Rx
buffer
    1                                               112640
 6144
    2                                               442368
81920
    3                                              1081344
 147456
    8                                               442368
81920

On Wed, Jul 21, 2010 at 1:56 PM, Jared Mauch <jared at puck.nether.net> wrote:

> check:
>
> Router#show plat hard cap interface
> Interface Resources
>  Interface drops:
>    Module    Total drops:    Tx            Rx      Highest drop port:  Tx
>  Rx
>    1                 1261502177           367                           7
> 7
>
> You may be having higher-level buffering drops depending on traffic
> patterns that will be seen here.
>
> You may also want to check the output of 'show fabric'..
>
> - Jared
>
> On Jul 21, 2010, at 11:58 AM, Chris Lane wrote:
>
> > All,
> >
> > I have a 48 port 10/100/1000mb EtherModule      WS-X6148-GE-TX  on a 6509
> > running s72033-advipservicesk9_wan-mz.122-33.SXH7.bin
> > Interface built as layer3 with a p2p site to site
> > experiencing tons of Input queue drops but no other errors on port.
> > cr.nyc1.ny#sh int g3/2
> > GigabitEthernet3/2 is up, line protocol is up (connected)
> >  Hardware is C6k 1000Mb 802.3, address is
> >  Description: xxxxxxxxx
> >  Internet address is
> >  MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
> >     reliability 255/255, txload 4/255, rxload 1/255
> >  Encapsulation ARPA, loopback not set
> >  Keepalive set (10 sec)
> >  Full-duplex, 1000Mb/s, media type is 10/100/1000BaseT
> >  input flow-control is off, output flow-control is off
> >  Clock mode is auto
> >  ARP type: ARPA, ARP Timeout 04:00:00
> >  Last input 00:00:04, output 00:00:05, output hang never
> >  Last clearing of "show interface" counters 00:07:15
> > *  Input queue: 0/75/45605/0 (size/max/drops/flushes); Total output
> drops: 0
> > *
> >  Queueing strategy: fifo
> >  Output queue: 0/40 (size/max)
> >  5 minute input rate 5511000 bits/sec, 3615 packets/sec
> >  5 minute output rate 19240000 bits/sec, 5080 packets/sec
> >  L2 Switched: ucast: 68 pkt, 4484 bytes - mcast: 79854 pkt, 5112676 bytes
> >  L3 in Switched: ucast: 1116996 pkt, 233979838 bytes - mcast: 0 pkt, 0
> > bytes mcast
> >  L3 out Switched: ucast: 2138144 pkt, 982224161 bytes mcast: 0 pkt, 0
> bytes
> >     1496205 packets input, 261671862 bytes, 0 no buffer
> >     Received 358394 broadcasts (0 IP multicasts)
> >     0 runts, 0 giants, 2606 throttles
> >    * 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored*
> >     0 watchdog, 0 multicast, 0 pause input
> >     0 input packets with dribble condition detected
> >     2158283 packets output, 988796454 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
> >
> > Anybody experience such an odd error?
> >
> > --
> > //CL
> > _______________________________________________
> > 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/
>
>


-- 
//CL


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