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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) 

Symptom:
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)

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

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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