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Cisco Bug: CSCup47168 - Port Channel flap moves interface to down (Internal-Fail errDisable)

Last Modified

Feb 02, 2017

Products (5)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 9396PX Switch
  • Cisco Nexus 9504 Switch
  • Cisco Nexus 9508 Switch
  • Cisco Nexus 93128TX Switch

Known Affected Releases

6.1(2)I2(2.52) 6.1(2)I2(2.53) 6.1(2)I2(2.61) 6.1(2)I2(3)

Description (partial)

Symptom:
Interface will be in down state with the below error message.

(Internal-Fail errDisable)

sh int ethernet1/3

Ethernet1/3 is down (Internal-Fail errDisable)
admin state is up, Dedicated Interface
  Belongs to Po102
  Hardware: 1000/10000 Ethernet, address: 0022.bdf8.a7e6 (bia 0022.bdf8.a7e6)
  MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usec
  reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, medium is broadcast
  Port mode is fex-fabric
  auto-duplex, 10 Gb/s, media type is 10G
  Beacon is turned off
  Auto-Negotiation is turned on
  Input flow-control is off, output flow-control is off
  Auto-mdix is turned off
  Rate mode is dedicated
  Switchport monitor is off 
  EtherType is 0x8100 
  EEE (efficient-ethernet) : n/a
  Last link flapped 00:17:57
  Last clearing of "show interface" counters 01:21:40
  1 interface resets
  30 seconds input rate 0 bits/sec, 0 packets/sec
  30 seconds output rate 0 bits/sec, 0 packets/sec
  Load-Interval #2: 5 minute (300 seconds)
    input rate 0 bps, 0 pps; output rate 0 bps, 0 pps
  RX
    205000 unicast packets  1240 multicast packets  164002 broadcast packets
    370242 input packets  27159519 bytes
    0 jumbo packets      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
    260220 unicast packets  43389 multicast packets  208980 broadcast packets
    512589 output packets  39545870 bytes
    0 jumbo packets
    0 output error  0 collision  0 deferred  0 late collision
    0 lost carrier  0 no carrier  0 babble  0 output discard
    0 Tx pause

Conditions:
port channel flap
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