Ablue Asked: 2011-05-24 20:59:41 +0800 CST2011-05-24 20:59:41 +0800 CST 2011-05-24 20:59:41 +0800 CST Port Mirror and 802.1Q 772 Does a port mirror send ethernet frames out of the switch-port with the 802.1Q header bytes still on the frame? cisco 802.1 ethernet port-mirroring 1 Answers Voted Best Answer Shane Madden 2011-05-24T21:27:52+08:002011-05-24T21:27:52+08:00 By default, no. However, the behavior can be controlled on the monitor command; the encapsulation argument controls this. replicate will preserve the encapsulation type that the packet had in transit, while dot1q will force the 802.1Q header.
By default, no. However, the behavior can be controlled on the
monitorcommand; theencapsulationargument controls this.replicatewill preserve the encapsulation type that the packet had in transit, whiledot1qwill force the 802.1Q header.