DGS-1100/ME Metro Ethernet Managed Switch CLI Reference Guide
DGS-1100-24P/ME:admin#
show fdb
Purpose To display the current unicast MAC address forwarding database.
Syntax
show fdb {port <port> | vlan <vlan_name 8> | vlanid <vidlist 1-
4094> | mac_address <macaddr> | static | aging_time}
Description
The show fdb
command displays the current contents of the
Switch’s forwarding database.
Parameters
port
<por
t> − The port number corresponding to the MAC destination address. The Switch always forwards traffic to the
specified device through this port.
vlan <vlan_name 8> − The name of the VLAN on which the MAC
address resides.
vlanid <vlidlist 1-4094> - The VID of the VLAN on which the MAC
address resides.
mac_address <macaddr> − The MAC address entry in the
forwarding table.
static − Specifies that static MAC addr
displayed.
aging_time − Displays the aging time for the MAC address
forwarding database.
Restrictions None.
Example usage:
To display unicast MAC address table:
DGS-1100-24P/ME:admin#show fdb port 3
Command: show fdb port 3
VID VLAN Name MAC Address Port Type
---- ------------------------- -------------------------- ------- ---------------
1 default 00-00-01-01-02-03 3 Permanent
Total Entries : 1
DGS-1100-24P/ME:admin#
To display the aging time:
DGS-1100-24P/ME:admin#show fdb aging_time
Command: show fdb aging_time
Unicast MAC Address Aging Time = 300 sec
DGS-1100-24P/ME:admin#
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