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Catalyst 2960-S Stack Interface Packet Drop

Hi all!

I have a 2960-S stack with the following behavior:

SWITCH#sh int g1/0/26

     ***

     Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 12275

     ***

When I issue the show mls qos interface g1/0/26 statistics:

SWITCH#show mls qos interface g1/0/26 statistics

GigabitEthernet1/0/26 (All statistics are in packets)

  dscp: incoming 

-------------------------------

  0 -  4 :    35356866        0            0            0            0 

  5 -  9 :            0            0            0            2            0 

10 - 14 :           0            0            0            0            0 

15 - 19 :           0            0            0            0            0 

20 - 24 :           0            0            0            0            0 

25 - 29 :           0            0            0            0            0 

30 - 34 :           0            0            0            0            0 

35 - 39 :           0            0            0            0            0 

40 - 44 :      634354        0            0            0            0 

45 - 49 :           0     49446819      0            0            0 

50 - 54 :           0            0            0            0            0 

55 - 59 :           0            0            0            0            0 

60 - 64 :           0            0            0            0 

  dscp: outgoing

-------------------------------

  0 -  4 :     6835883         0            0            0            0 

  5 -  9 :            0             0            0     43973612      0 

10 - 14 :           0            0            0            0            0 

15 - 19 :           0            1            0            0            0 

20 - 24 :           0            0            0            0       204586 

25 - 29 :           0            0            0            0            0 

30 - 34 :           0            0            0            0            0 

35 - 39 :           0            0            0            0            0 

40 - 44 :           2            0            0            0            0 

45 - 49 :           0      2215325       0           55            0 

50 - 54 :           0            0            0            0            0 

55 - 59 :           0        29668         0            0            0 

60 - 64 :           0            0            0            0           

  cos: incoming 

-------------------------------

  0 -  4 :    35374153            2            0            0            0 

  5 -  7 :    50121685            0            0 

  cos: outgoing

-------------------------------

  0 -  4 :    12975602     43973617        85081       204622          122 

  5 -  7 :    47659950          105     34377016 

  output queues enqueued:

queue:    threshold1   threshold2   threshold3

-----------------------------------------------

queue 0:           0           0    47659935

queue 1:       92482     1222278    34432039

queue 2:           0           0    13178400

queue 3:           0           0    43982889

  output queues dropped:

queue:    threshold1   threshold2   threshold3

-----------------------------------------------

queue 0:           0           0          71

queue 1:           0        1738           0

queue 2:           0           0          20

queue 3:           0           0      375553

Policer: Inprofile:            0 OutofProfile:            0


I need some help to read this output but it seems that packets are dropped at all queues, isn't it?

Any help please?

Thanks in advance!

  • LAN Switching and Routing
1 REPLY
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Catalyst 2960-S Stack Interface Packet Drop

Please post the output to the following commands:

1.  sh interface G1/0/26; and

2.  sh controll e G1/0/26

What kind of client is connected to port Gi1/0/26?

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