What is 'changed mac' ?

In the case of multi-vlan intranet,if vlan-1 is the nearest to the internet, computers in other vlan should all link to the net via vlan-1.then the ip packets sent by the computers in other vlan to the vlan-1 through the router will have a changed of their previous adapter address in their ip packages. the changed addresses are just the 'changed mac' .

How to find out 'changed-mac' ?

Open menu item 'IP Packet Analyse tool'

Press the button 'start' to capture ip packets via the network adapter.

The Mac address (000E354B590C) Corresponds three IPs( 192.0.9 /192.168.2.6/192.168.1.2) , so  000E354B590C is 'changed mac'