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New Member

Out Discards

Hi. I have problem with switch. 3560

Some of gi ports have outdiscards errors and switching is very slow.

ServerSwitch>show int counters errors

Port        Align-Err     FCS-Err    Xmit-Err     Rcv-Err  UnderSize  OutDiscards

Gi0/1               0           0           0           0          0         8722

Gi0/2               0           0           0           0          0          157

Gi0/3               0           0           0           0          0            0

Gi0/4               0           0           0           0          0            0

Gi0/5               0           0           0           0          0            0

Gi0/6               0           0           0           0          0          446

Gi0/7               0           0           0           0          0            0

Gi0/8               0           0           0           0          0            0

Gi0/9               0           0           0           0          0            0

Gi0/10              0           0           0           0          0            0

Gi0/11              0           0           0           0          0            0

Gi0/12              0           0           0           0          0      1705658

Gi0/13              0           0           0           0          0            9

Gi0/14              0           0           0           0          0           74

Gi0/15              0           0           0           0          0            0

Gi0/16              0           0           0           0          0            0

Gi0/17              0           0           0           0          0            9

Gi0/18              0           0           0           0          0            0

Gi0/19              0           0           0           0          0            0

Gi0/20              0           0           0           0          0            0

Gi0/21              0           0           0           0          0            0

Gi0/22              0           0           0           0          0            0

Gi0/23              0           0           0           0          0          922

Gi0/24              0           0           0           0          0            0

But in monitoring i see only 80 Mbit max bandwith utilization on gigabit links.

Help pls

ServerSwitch>sh ver

Cisco IOS Software, C3560E Software (C3560E-UNIVERSALK9-M), Version 12.2(55)SE3,                                                                               RELEASE SOFTWARE (fc1)

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2011 by Cisco Systems, Inc.

Compiled Thu 05-May-11 15:57 by prod_rel_team

Image text-base: 0x00003000, data-base: 0x02800000

ROM: Bootstrap program is C3560E boot loader

BOOTLDR: C3560E Boot Loader (C3560X-HBOOT-M) Version 12.2(53r)SE2, RELEASE SOFTW                                                                              ARE (fc1)

ServerSwitch uptime is 1 week, 5 days, 20 hours, 34 minutes

System returned to ROM by power-on

System image file is "flash:/c3560e-universalk9-mz.122-55.SE3/c3560e-universalk9                                                                              -mz.122-55.SE3.bin"

GigabitEthernet0/12 is up, line protocol is up (connected)

  Hardware is Gigabit Ethernet, address is ccef.48f9.778c (bia ccef.48f9.778c)

  Description: ***Server7***

  MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,

     reliability 255/255, txload 1/255, rxload 1/255

  Encapsulation ARPA, loopback not set

  Keepalive set (10 sec)

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

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

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

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

  Last clearing of "show interface" counters never

  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 1706302

  Queueing strategy: fifo

  Output queue: 0/40 (size/max)

  5 minute input rate 862000 bits/sec, 60 packets/sec

  5 minute output rate 62000 bits/sec, 26 packets/sec

     2286090320 packets input, 428317853128 bytes, 0 no buffer

     Received 253953 broadcasts (198694 multicasts)

     0 runts, 0 giants, 0 throttles

     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored

     0 watchdog, 198694 multicast, 0 pause input

     0 input packets with dribble condition detected

     6870724518 packets output, 8760022116799 bytes, 0 underruns

     0 output errors, 0 collisions, 1 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

Everyone's tags (1)
3 REPLIES
Hall of Fame Super Gold

Re: Out Discards

Do you have any QoS, or mls commands configured ?

New Member

Re: Out Discards

No QoS and no mls.

Hall of Fame Super Gold

Out Discards

If this is from a 3560G then this is a DUPLICATE POST. 

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