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FORWARDING DATABASE COMMANDS
The layer 2 forwarding database commands in the Command Line Interface (CLI) are listed (along with the appropriate
parameters) in the following table.
Command Parameters
create fdb <vlan_name 32> <macaddr> port <port>
create multicast_fdb <vlan_name 32> <macaddr>
config multicast_fdb <vlan_name 32> <macaddr> [add | delete] <portlist>
config fdb aging_time <sec 10-1000000>
delete fdb <vlan_name 32> <macaddr>
clear fdb [vlan <vlan_name 32> | port <port> | all]
show multicast_fdb {vlan <vlan_name 32> | mac_address <macaddr>}
show fdb {port <port> | vlan <vlan_name 32> | mac_address
<macaddr> | static | aging_time}
config multicast
port_filtering_mode
[<portlist> | all] [forward_all_groups |
forward_unregistered_groups | filter_unregistered_groups]
show multicast
port_filtering_mode
{<portlist>}
Each command is listed, in detail, in the following sections.
create fdb
Purpose Used to create a static entry to the unicast MAC address forwarding
table (database)
Syntax
create fdb <vlan_name 32> <macaddr> port <port>
Description This command will make an entry into the switch’s unicast 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.
<port> − The port number corresponding to the MAC destination
address. The switch will always forward traffic to the specified device
through this port.
Restrictions Only administrator-level users can issue this command.
Example usage:
To create a unicast MAC FDB entry: