스위치 장비의 맥어드레스 포워딩 관련 MIB
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dot1dTpFdbTable (RFC 1493)
This table is indexed by MAC address.
dot1dTpFdbPort returns the port number the MAC address was seen on.
dot1qTpFdbTable (RFC 2674)
This table is indexed by VLAN and MAC address.
dot1qTpFdbPort returns the port number the MAC address was seen on,
within the given VLAN.