Delete Fdb; Clear Fdb - D-Link xStack DGS-3120 Series Cli Reference Manual

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xStack DGS-3120 Series Layer 3 Managed Gigabit Ethernet Switch CLI Reference Guide
36-7

delete fdb

Description
This command is used to delete an entry from the forwarding database.
Format
delete fdb <vlan_name 32> <macaddr>
Parameters
<vlan_name 32> - The name of the VLAN on which the MAC address resides. The maximum
name length is 32.
<macaddr> - The multicast MAC address to be deleted from the static forwarding table.
Restrictions
Only Administrator, Operator and Power-User level users can issue this command.
Example
To delete a static FDB entry:
DGS-3120-24TC:admin# delete fdb default 00-00-00-00-01-02
Command: delete fdb default 00-00-00-00-01-02
Success.
DGS-3120-24TC:admin#
36-8

clear fdb

Description
This command is used to clear the Switch's forwarding database for dynamically learned MAC
addresses.
Format
clear fdb [vlan <vlan_name 32> | port <port> | all]
Parameters
vlan - Clears the FDB entry by specifying the VLAN name.
<vlan_name 32> - The name of the VLAN on which the MAC address resides. The maximum
name length is 32.
port - Clears the FDB entry by specifying the port number.
<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 in the Switch's forwarding database.
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