DES-3000 Series Layer 2 Switch CLI Reference Manual
show fdb
Purpose
Used to display the current unicast MAC address forwarding
database.
Syntax
show fdb {port <port> | vlan <vlan_name 32> | mac_address
<macaddr> | static | aging_time}
Description
This command will display the current contents of the Switch’s
forwarding database.
Parameters
port <port>
−
The port number corresponding to the MAC destination
address. The Switch will always forward traffic to the specified
device through this port.
<vlan_name 32>
−
The name of the VLAN on which the MAC
address resides.
<macaddr>
−
The MAC address by which the forwarding table will
be viewed.
static
−
Displays the static MAC address entries.
aging_time
−
Displays the aging time for the MAC address
forwarding database.
Restrictions None.
To display the aging time:
DES-3026:4#show fdb aging_time
Command: show fdb aging_time
Unicast MAC Address Aging Time = 300
DES-3026:4#
Example usage:
To display unicast MAC address table:
DES-3026:4#show fdb
Command: show fdb
Unicast MAC Address Ageing Time = 300
VID VLAN Name MAC Address Port Type
---- ---------------- ----------------- ------ ----------------
1 default 00-00-39-34-66-9A 10 Dynamic
1 default 00-00-51-43-70-00 10 Dynamic
1 default 00-00-5E-00-01-01 10 Dynamic
1 default 00-00-74-60-72-2D 10 Dynamic
1 default 00-00-81-05-00-80 10 Dynamic
1 default 00-00-81-05-02-00 10 Dynamic
1 default 00-00-81-48-70-01 10 Dynamic
1 default 00-00-E2-4F-57-03 10 Dynamic
1 default 00-00-E2-61-53-18 10 Dynamic
1 default 00-00-E2-6B-BC-F6 10 Dynamic
1 default 00-00-E2-7F-6B-53 10 Dynamic
1 default 00-00-E2-82-7D-90 10 Dynamic
1 default 00-00-F8-7C-1C-29 10 Dynamic
1 default 00-01-02-03-04-00 CPU Self
1 default 00-01-02-03-04-05 10 Dynamic
1 default 00-01-30-10-2C-C7 10 Dynamic
1 default 00-01-30-FA-5F-00 10 Dynamic
1 default 00-02-3F-63-DD-68 10 Dynamic
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