D-Link DGS-3200 SERIES - JWAC

DGS-3200 Series Layer 2 Gigabit Managed Switch CLI Manual
161
17-7 clear fdb
Purpose
Used to clear the switch’s forwarding database of all dynamically learned MAC addresses.
Format
clear fdb [vlan <vlan_name 32> | port <port> | all ]
Description
The clear fdb command clears the switch’s forwarding database of all dynamically learned MAC
addresses.
Parameters
Parameters Description
vlan_name 32
The name of the VLAN on which the MAC address resides.
The maximum length is 32.
port
The port number corresponding to the MAC destination address. The
switch will always forward traffic to the specified device through this
port.
Restrictions
You must have administrator privileges.
Examples
To clear all FDB dynamic entries:
DGS-3200-10:4#clear fdb all
Command: clear fdb all
Success.
DGS-3200-10:4#
17-8 show multicast_fdb
Purpose
Used to display the contents of the switch’s multicast forwarding database.
Format
show multicast_fdb { vlan <vlan_name 32> | mac_address <macaddr> }