Cisco Bug: CSCun78994 - Packets seen as runts on the neighbor when decapsulating dot1q/mpls
Nov 27, 2020
- Cisco Catalyst 6000 Series Switches
Known Affected Releases
Symptom: Runt counter increase on the neighbor device connected to 6880 / 6904 port working at 1Gbps. Conditions: Packet received needs to have additional headers that need to be replaced as part of the rewrite (due to removal of dot1q / mpls etc.) by ethernet padding data and then further sent on port that operates in 1Gbps on 6880 device or 6904 linecard.
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