DGS-3224TGR Layer 2 Gigabit Ethernet Switch User’s Guide
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clear fdb
Purpose
Used to clear the switch’s forwarding
database of all dynamically learned MAC
addresses.
Syntax
clear fdb [vlan <vlan_name>|port
<port>|all]
Description
This command is used to clear dynamically
learned entries to the switch’s forwarding
database.
Parameters
<vlan_name>
−
The name of the VLAN on
which the MAC address resides.
<port>
−
The port number corresponding to
the MAC destination address. The switch
will always forward traffic to the specified
device through this port.
all
−
Clears all dynamic entries to the
switch’s forwarding database.
Restrictions
Only administrator-level users can issue
this command.
Example Usage:
To clear all FDB dynamic entries
:
DGS-3224TGR:4#clear fdb all
Command: clear fdb all
Success.