Specifications

DGS-3024 Layer 2 Switch CLI Reference Manual
DGS-3024:4#show fdb aging_time
Command: show fdb aging_time
Unicast MAC Address Aging Time =5
DGS-3024:4#
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:
DGS-3024:4#delete fdb default 00-00-00-00-01-02
Command: delete fdb default 00-00-00-00-01-02
Success.
DGS-3024:4#
clear fdb
Purpose Used to clear the Switch’s forwarding database of all dynamically
learned MAC addresses.
Syntax
clear fdb [vlan <vlan_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:
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