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Cisco Bug: CSCut54262 - n7k: UDP port 8001 is open after an ISSU. Feature RISE not configured

Last Modified

Feb 15, 2018

Products (8)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 4-Slot Switch
  • Cisco Nexus 7700 6-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7700 18-Slot Switch
  • Cisco Nexus 7700 10-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch

Known Affected Releases


Description (partial)

Port 8001 which belongs to RISE is not configured and we see the port is open when we do ISSU from 5.2(9) to 6.2(8a)

"show socket connection udp detail"


Local host: * (8001), Foreign host: * (0)
  Protocol: udp, type: dgram, ttl: 64, tos: 0xff, Id: 1

  Options:  | REUSEPORT, pcb flags none, state:  NBIO
  MTS: sap 4607
  Receive buffer:
    cc: 0, hiwat: 42240, lowat: 1, flags: none
  Send buffer:
    cc: 0, hiwat: 9216, lowat: 2048, flags: none
  Context: default


non-disruptive ISSU from 5.2(9) to 6.2(8a)
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