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Cisco Bug: CSCuq46369 - Egress SPAN adds 4byte BCM Vlan ID for untagged packets

Last Modified

Dec 01, 2014

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases


Description (partial)

An extra 4byte vlan tag is added to the mirrored copy of vlan untagged packet with egress local and remote SPAN.

For an egress source configured in an erspan or local span session,  span copies of untagged packets will have an extra 4 byte vlan tag. The untagged packets exiting the port(s) are the packets belonging to the native vlan for that port(s).
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