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

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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