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Cisco Bug: CSCur12254 - Switch returns incorrect lldpLocChassisId value

Last Modified

Nov 27, 2020

Products (14)

  • Cisco 2600 Series Multiservice Platforms
  • Cisco 1000 Series Integrated Services Routers
  • Cisco Catalyst 9500 Series Switches
  • Cisco Catalyst 3850 Series Switches
  • Cisco Catalyst 3650 Series Switches
  • Cisco 4000 Series Integrated Services Routers
  • Cisco Catalyst 9800 Series Wireless Controllers
  • Cisco Catalyst 9600 Series Switches
  • Cisco Catalyst 9200 Series Switches
  • Cisco ASR 1000 Series Aggregation Services Routers
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Known Affected Releases

15.2(2.0.0) 3.6(0) 3.6(5)

Description (partial)

A switch running Cisco IOS or IOS-XE may return the wrong mac address when polled via snmp for lldpLocChassisId.

From problematic devices' neighbor the LLDP remote chassis ID is displaying correct value (lldpRemChassisId)

This is most often seen on 15.2E train, but other trains are vulnerable too.
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Bug Details Include

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