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Cisco Bug: CSCun69774 - VPC PC in (vpc peerlink is down) state after bouncing the interface

Last Modified

Jul 26, 2019

Products (1)

  • Cisco Nexus 7000 Series Switches

Known Affected Releases

4.2(8)S33

Description (partial)

Symptom:
bay-x7ax-cis-2b(config-if)# sh int po 1075
port-channel1075 is down (No operational members) <<<<<<<<< it says operationsl members down 
 vPC Status: vPC number: 1075 [packets forwarded via vPC peer-link]
  Hardware: Port-Channel, address: 5475.d09a.7f7e (bia 5475.d09a.7f7e)
  MTU 9100 bytes, BW 100000 Kbit, DLY 10 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA
  Port mode is trunk
  auto-duplex, 10 Gb/s
  Input flow-control is off, output flow-control is off
  Switchport monitor is off 
  Members in this channel: Eth1/7, Eth1/8
  Last clearing of "show interface" counters never
  30 seconds input rate 136 bits/sec, 0 packets/sec
  30 seconds output rate 592 bits/sec, 0 packets/sec
  Load-Interval #2: 5 minute (300 seconds)
    input rate 88 bps, 0 pps; output rate 48 bps, 0 pps
  RX
    0 unicast packets  396 multicast packets  0 broadcast packets
    396 input packets  81212 bytes
    0 jumbo packets  0 storm suppression packets
    0 runts  0 giants  0 CRC  0 no buffer
    0 input error  0 short frame  0 overrun   0 underrun  0 ignored
bay-x7ax-cis-2b(config-if)# sh int e 1/7
Ethernet1/7 is down (vpc peerlink is down) <<<<<<<<<<<<<<<<<<<<< it says vpc peer link down instead of vpc suspended 
  Hardware: 10000 Ethernet, address: 5475.d09a.7f7e (bia 5475.d09a.7f7e)
  MTU 9100 bytes, BW 10000000 Kbit, DLY 10 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA
  Port mode is trunk
  auto-duplex, 10 Gb/s, media type is 10g

Conditions:
After VPC Port got suspended and once we bounce the port the port status shows up as wrong
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