[c-nsp] Output drops on WS-X6348-RJ-45

[Robert Hass]

On 6/30/07, Peter Salanki <peter.salanki at bahnhof.net> wrote:
> Try show queueing interface fa 1/1, probably you are running out of
> buffer space with bursty traffic.

Hi
I attached below output of 'show queueing interface ...' commands (for
Fa1/1 and Fa1/3 - which had output drops). Can I do something with
this issue - some QoS configuration or other thing ?

#sh queueing interface fa1/1
Interface FastEthernet1/1 queueing strategy:  Weighted Round-Robin
  Port QoS is enabled
  Port is untrusted
  Extend trust state: not trusted [COS = 0]
  Default COS is 0
    Queueing Mode In Tx direction: mode-cos
    Transmit queues [type = 2q2t]:
    Queue Id    Scheduling  Num of thresholds
    -----------------------------------------
       1         WRR low             2
       2         WRR high            2

    WRR bandwidth ratios:  100[queue 1] 255[queue 2]
    queue-limit ratios:     70[queue 1]  30[queue 2]

    queue tail-drop-thresholds
    --------------------------
    1     80[1] 100[2]
    2     80[1] 100[2]

    queue thresh cos-map
    ---------------------------------------
    1     1      0 1
    1     2      2 3
    2     1      4 5
    2     2      6 7

    Queueing Mode In Rx direction: mode-cos
    Receive queues [type = 1q4t]:
    Queue Id    Scheduling  Num of thresholds
    -----------------------------------------
       1         Standard            4


    queue tail-drop-thresholds
    --------------------------
    1     100[1] 100[2] 100[3] 100[4]

    queue thresh cos-map
    ---------------------------------------
    1     1
    1     2
    1     3      0 1 2 3 4 5 6 7
    1     4


  Packets dropped on Transmit:
    BPDU packets:  0

    queue thresh    dropped  [cos-map]
    ---------------------------------------------------
    1     1            4884  [0 1 ]
    1     2               0  [2 3 ]
    2     1               0  [4 5 ]
    2     2               0  [6 7 ]

  Packets dropped on Receive:
    BPDU packets:  0

    queue thresh    dropped  [cos-map]
    ---------------------------------------------------
    1     3               0  [0 1 2 3 4 5 6 7 ]

#sh queueing interface fa1/3
Interface FastEthernet1/3 queueing strategy:  Weighted Round-Robin
  Port QoS is enabled
  Port is untrusted
  Extend trust state: not trusted [COS = 0]
  Default COS is 0
    Queueing Mode In Tx direction: mode-cos
    Transmit queues [type = 2q2t]:
    Queue Id    Scheduling  Num of thresholds
    -----------------------------------------
       1         WRR low             2
       2         WRR high            2

    WRR bandwidth ratios:  100[queue 1] 255[queue 2]
    queue-limit ratios:     70[queue 1]  30[queue 2]

    queue tail-drop-thresholds
    --------------------------
    1     80[1] 100[2]
    2     80[1] 100[2]

    queue thresh cos-map
    ---------------------------------------
    1     1      0 1
    1     2      2 3
    2     1      4 5
    2     2      6 7

    Queueing Mode In Rx direction: mode-cos
    Receive queues [type = 1q4t]:
    Queue Id    Scheduling  Num of thresholds
    -----------------------------------------
       1         Standard            4


    queue tail-drop-thresholds
    --------------------------
    1     100[1] 100[2] 100[3] 100[4]

    queue thresh cos-map
    ---------------------------------------
    1     1
    1     2
    1     3      0 1 2 3 4 5 6 7
    1     4


  Packets dropped on Transmit:
    BPDU packets:  0

    queue thresh    dropped  [cos-map]
    ---------------------------------------------------
    1     1           12172  [0 1 ]
    1     2               0  [2 3 ]
    2     1               0  [4 5 ]
    2     2               0  [6 7 ]

  Packets dropped on Receive:
    BPDU packets:  0

    queue thresh    dropped  [cos-map]
    ---------------------------------------------------
    1     3               0  [0 1 2 3 4 5 6 7 ]