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Nexus SNMP interface error

zheepern0826
Level 1
Level 1

Hi experts, 

Recently I found there is high transmit error from few nexus 5548 interface from my monitoring system.  You may see from the attached image. 

I tried to use snmpwalk to walk and below is the result. 

IF-MIB::ifDescr.436211712 = STRING: Ethernet1/2

IF-MIB::ifOutErrors.436211712 = Counter32: 6308517

Seems there is error occur so I log in switches and check the interface: 

Ethernet1/2 is up

  Hardware: 1000/10000 Ethernet, address: xxxx.xxxx.xxxx (bia xxxx.xxxx.xxxx)

  Description: fex link to FEX-102

  MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usec

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

  Encapsulation ARPA

  Port mode is fex-fabric

  full-duplex, 10 Gb/s, media type is 10G

  Beacon is turned off

  Input flow-control is off, output flow-control is off

  Rate mode is dedicated

  Switchport monitor is off

  EtherType is 0x8100

  Last link flapped 410week(s) 4day(s)

  Last clearing of "show interface" counters 189w3d

  30 seconds input rate 1700136 bits/sec, 525 packets/sec

  30 seconds output rate 2034488 bits/sec, 725 packets/sec

  Load-Interval #2: 5 minute (300 seconds)

    input rate 3.10 Mbps, 532 pps; output rate 3.61 Mbps, 700 pps

  RX

    849545099092 unicast packets  108778327 multicast packets  222943515 broadcast packets

    849876820934 input packets  899832297687670 bytes

    508037712184 jumbo packets  0 storm suppression bytes

    0 runts  0 giants  0 CRC  0 no buffer

    0 input error  0 short frame  0 overrun   0 underrun  0 ignored

    0 watchdog  0 bad etype drop  0 bad proto drop  0 if down drop

    0 input with dribble  0 input discard

    0 Rx pause

  TX

    311597349364 unicast packets  3415269283 multicast packets  1722601701 broadcast packets

    316735220348 output packets  131141128972374 bytes

    46161511546 jumbo packets

    0 output errors  0 collision  0 deferred  0 late collision

    0 lost carrier  0 no carrier  0 babble 0 output discard

    0 Tx pause

  0 interface resets

Based on the result in the switches, I can't see any error occur. 

Can anyone give some advise on this ?

Thank you very much in advance. 

2 Replies 2

Kirk J
Cisco Employee
Cisco Employee

Greetings.

That sounds like a bug.

I found a similar one for the UCSM, but haven't found one describing your specific counter issue for the N5k.

What code level are you running?

You may want to open a TAC ticket, and see if they can ID the bug, and fixed in version (if one exists).

Thanks,

Kirk...

Hi, 

I am logging at notification level. Maybe will open a TAC case and check with support. 

Thanks for your advise. :) 

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