Clear Fdb - Allied Telesis AT-9724TS Reference Manual

clear fdb

Purpose
Syntax
Description
Parameters
Restrictions
Example usage:
To delete a permanent FDB entry:
show multicast_fdb
Purpose
Syntax
Description
Parameters
Restrictions
Example usage:
To delete a permanent FDB entry:
Allied Telesyn AT-9724TS High-Density Layer 3 Stackable Gigabit Ethernet Switch • Command Line Interface Reference Manual
Used to clear the Switch's forwarding database of all dynamically learned MAC addresses.
clear fdb [vlan <vlan_name 32> | port <port> | all]
This command is used to clear dynamically learned entries to the Switch's forwarding database.
vlan<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.The port is specified by listing the switch number and the port
number on that switch, separated by a colon. For example, 1:3 specifies switch number 1, port 3. 2:4 specifies
switch number 2, port 4.
all – Clears all dynamic entries to the Switch's forwarding database.
Only administrator-level users can issue this command.
AT-9724TS:4# clear fdb all
Command: clear fdb all
S u c c e s s .
A T - 9 7 2 4 T S : 4 #
Used to display the contents of the Switch's multicast forwarding database.
show multicast_fdb [vlan <vlan_name 32> | mac_address <macaddr>]
This command is used to display the current contents of the Switch's multicast MAC address forwarding
database.
<vlan_name 32> – The name of the VLAN on which the MAC address resides.
<macaddr> – The MAC address that is present in the forwarding database table.
None.
AT-9724TS:4# show multicast_fdb
Command: show multicast_fdb
VLAN Name : default
MAC Address : 01-00-5E-00-00-00
Egress Ports : 1:1-1:5,1:26,2:26
M o d e : Static
Total Entries : 1
A T - 9 7 2 4 T S : 4 #
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