DGS-3700 Series Layer 2 Managed Gigabit Ethernet Switch CLI Reference Guide
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config fdb aging_time
Switch will broadcast the packet to all ports, negating many of the benefits of
having a switch.
Parameters
<sec 10-1000000>
−
The aging time for the MAC address forwarding database value.
The value in seconds may be between 10 and 1000000 seconds.
Restrictions
Only Administrator and Operator-level users can issue this command.
Example usage:
To set the FDB aging time:
DGS-3700-12:5#config fdb aging_time 300
Command: config fdb aging_time 300
Success.
DGS-3700-12:5#
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 wanted be deleted from the forwarding table.
Restrictions
Only Administrator and Operator-level users can issue this command.
Example usage:
To delete a permanent FDB entry:
DGS-3700-12:5#delete fdb default 00-00-00-00-01-02
Command: delete fdb default 00-00-00-00-01-02
Success.
DGS-3700-12:5#
To delete a multicast FDB entry:
DGS-3700-12:5#delete fdb default 01-00-00-00-01-02
Command: delete fdb default 01-00-00-00-01-02
Success.
DGS-3700-12:5#
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 from the Switch’s
forwarding database.
Parameters
<vlan_name 32>
−
The name of the VLAN on which the MAC address resides.