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Cisco Bug: CSCus19792 - "show fcns database", "show fcs ie" not correctly populated after ISSU

Last Modified

Jan 29, 2017

Products (7)

  • Cisco Nexus 5000 Series Switches
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 6004 Switch
  • Cisco Nexus 6001 Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5596T Switch

Known Affected Releases


Description (partial)

After upgrading 6.0(2)N2(5a) on Nexus switch, outputs from "show fcns database" on NPV devices changed: the following fields are reporting:

connected interface         :Virtual Device 
switch name (IP address)    :Not Available

Instead of the previous release output:
connected interface         :fcx/y
switch name (IP address)    :NPV1 (

This is affecting NPV devices from Cisco or 3rd party vendor.

ISSU to 6.0(2)N2(5a) on Nexus 5k acting as NPIV device for connected NPV in following topology:

NPIV coreNPIV intermediate  npv-device
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