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Cisco Bug: CSCtd85984 - show int on fc ports does not show when the counters was last cleared

Last Modified

Aug 02, 2016

Products (1)

  • Cisco MDS 9000 Series Multilayer Switches

Known Affected Releases

4.2(3)

Description (partial)

Symptom:

show interfaces for fc interfaces does not show when the counters on that interface was last cleared.

m9513-1# sh interface fc2/1 
fc2/1 is up
    Hardware is Fibre Channel, SFP is short wave laser w/o OFC (SN)
    Port WWN is 20:41:00:0d:ec:3b:b6:40
    Admin port mode is auto, trunk mode is off
    snmp link state traps are enabled
    Port mode is F, FCID is 0x190002
    Port vsan is 300
    Speed is 4 Gbps
    Rate mode is dedicated
    Transmit B2B Credit is 16
    Receive B2B Credit is 16
    Receive data field Size is 2112
    Beacon is turned off
    5 minutes input rate 4832320 bits/sec, 604040 bytes/sec, 343 frames/sec
    5 minutes output rate 2912472 bits/sec, 364059 bytes/sec, 251 frames/sec
      63896281 frames input, 120516381740 bytes
        0 discards, 0 errors
        0 CRC,  0 unknown class
        0 too long, 0 too short
      63678157 frames output, 115028574216 bytes
        0 discards, 0 errors
      7 input OLS, 4 LRR, 0 NOS, 0 loop inits
      4 output OLS, 8 LRR, 3 NOS, 4 loop inits
      16 receive B2B credit remaining
      16 transmit B2B credit remaining
      16 low priority transmit B2B credit remaining
    Interface last changed at Tue Dec 15 11:42:10 2009


m9513-1#

On other NXOS platforms like the N5K and N7K, we have this feature on the ethernet and port-channel interfaces.

n7k-1# sh interface e1/1 | i counter
  Last clearing of "show interface" counters 05:22:05
n7k-1# 

n5k-1# sh interface e1/1 | i counter
  Last clearing of "show interface" counters 1d00h
n5k-1# 

n5k-2# sh interface e1/1 | i counter
  Last clearing of "show interface" counters never
n5k-2#


This information is very helpful for troubleshooting purposes.

Conditions:

Info on when interface counters were last cleared.
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