Cisco Bug: CSCvv77355 - Cat9k in VXLAN with directed-broadcast on egress interface duplicates broadcast traffic
Oct 11, 2020
- Cisco Catalyst 9600 Series Switches
Known Affected Releases
Symptom: Hosts downstream of a switch configured for both VXLAN and ip directed-broadcast may see an additional broadcast packet for each one sent and processed by the feature. Conditions: Seen on Cat9k switches running 17.3.1 where the switch is configured with "ip directed-broadcast" and is receiving a packet destined to a network broadcast address for a subnet it owns.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.
Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
- Known Fixed Releases
- Related Community Discussions
- Number of Related Support Cases