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pause output

mohanraj1
Level 1
Level 1

Hi All,

i have a cisco 6509 switch and one of the interface is connected to the server. I'm seeing lot of pause output on that particular interface.

when i checked the load on the interface for the past one month , it is only 1 to 5% utilized (both input and output). Please help me on the pause output. The connectiviy to the server is facing frequent disconnection.

  Full-duplex, 1000Mb/s, media type is 10/100/1000BaseT

  input flow-control is off, output flow-control is on

  Clock mode is auto

  ARP type: ARPA, ARP Timeout 04:00:00

  Last input never, output 00:00:00, output hang never

  Last clearing of "show interface" counters 3d00h

  Input queue: 0/2000/0/0 (size/max/drops/flushes); Total output drops: 0

  Queueing strategy: fifo

  Output queue: 0/40 (size/max)

  5 minute input rate 685000 bits/sec, 178 packets/sec

  5 minute output rate 1384000 bits/sec, 245 packets/sec

     23852457 packets input, 17164191388 bytes, 0 no buffer

     Received 1087 broadcasts (8 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

     0 input packets with dribble condition detected

     27087241 packets output, 15305053462 bytes, 0 underruns

     0 output errors, 0 collisions, 0 interface resets

     0 babbles, 0 late collision, 0 deferred

     0 lost carrier, 0 no carrier, 5994 PAUSE output

     0 output buffer failures, 0 output buffers swapped out

Regards,

Mohan N

3 Replies 3

Leo Laohoo
Hall of Fame
Hall of Fame

PAUSE output normally means that the remote end client is sending PAUSE to the switch port so it can process too much incoming traffic.

Try this:

1.  Downgrade your port speed to 100 Mbps;

2.  Clear your counters; and

3.  Observer for 4 hours or a day for any counter incrementing.