duplicate MAC addresses on Fa0 and VLAN1 - Why?

Unanswered Question
Oct 6th, 2008

Can anyone explain why I have duplicate MAC addresses? It is a 1711 router with NAT and should VLAN1 adopt the mac of the LAN switch interface it is plugged into?

Internet 67.234.10.95 - 0016.c791.73de ARPA FastEthernet0

Internet 192.168.1.1 - 0016.c791.73de ARPA Vlan1

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