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DES-3028 DES-3028P DES-3052 DES-3052P  Layer 2 Fast Ethernet Switch CLI Reference Manual 

The layer 2 forwarding database commands in the Command Line Interface (CLI) are listed (along with the appropriate 
parameters) in the following table. 

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 

 

Each command is listed, in detail, in the following sections. 

Purpose 

Used to create a static entry to the unicast MAC address forwarding 
table (database). 

Syntax 

Description 

This command will make an entry into the Switch’s unicast MAC 
address forwarding database. 

Parameters 

− The name of the VLAN on which the MAC 

address resides. 
<macaddr> 

− The MAC address that will be added to the forwarding 

table. 
port <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: 

 

 

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