DES-3028 DES-3028P DES-3028G DES-3052 DES-3052P Layer 2 Fast Ethernet Switch CLI Reference Manual
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delete fdb
Purpose Used to delete an entry to the Switch’s forwarding database.
Syntax
delete fdb <vlan_name 32> <macaddr>
Description This command is used to delete a previous entry to the Switch’s
MAC address forwarding database.
Parameters
<vlan_name 32> The name of the VLAN on which the MAC
address resides.
<macaddr> The MAC address that will be added to the forwarding
table.
Restrictions Only Administrator-level users can issue this command.
Example usage:
To delete a permanent FDB entry:
DES-3028P:4#delete fdb default 00-00-00-00-01-02
Command: delete fdb default 00-00-00-00-01-02
Success.
DES-3028P:4#
To delete a multicast FDB entry:
DES-3028P:4#delete fdb default 01-00-00-00-01-02
Command: delete fdb default 01-00-00-00-01-02
Success.
DES-3028P:4#
clear fdb
Purpose Used to clear the Switch’s forwarding database of all dynamically
learned MAC addresses.
Syntax
clear fdb [vlan <v
lan_name 32> | port <port> | all]
Description This command is used to clear dynamically learned entries to the
Switch’s forwarding database.
Parameters
<vlan_name 32> The name of the VLAN on which the MAC
address resides.
port <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:
DES-3028P:4#clear fdb all
Command: clear fdb all
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