D-Link 3312SR Reference Manual - Page 93

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DGS-3312SR Layer 3 Gigabit Switch show fdb Purpose Used to display the current unicast MAC address forwarding database. Syntax show fdb {port | vlan | mac_address | static | aging_time} Description This command will display the current contents of the switch's forwarding database. Parameters 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 list is specified by listing the lowest switch number and the beginning port number on that switch, separated by a colon. Then the highest switch number, and the highest port number of the range (also separated by a colon) are specified. The beginning and end of the port list range are separated by a dash. For example, 1:3 specifies switch number 1, port 3. 2:4 specifies switch number 2, port 4. 1:3-2:4 specifies all of the ports between switch 1, port 3 and switch 2, port 4 − in numerical order. − The name of the VLAN on which the MAC address resides. − The MAC address that is present in the forwarding database table. static − Displays the static MAC address entries. aging_time − Displays the aging time for the MAC address forwarding database. Restrictions None. Example usage: To display unicast MAC address table: DGS-3312SR:4#show fdb Command: show fdb Unicast MAC Address Aging 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 00-01-30-10-2C-C7 10 Dynamic 1 default 00-01-30-FA-5F-00 10 Dynamic 1 default 00-02-3F-63-DD-68 10 Dynamic CTRL+C ESC q Quit SPACE n Next Page ENTER Next Entry a All 87

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DGS-3312SR Layer 3 Gigabit Switch
87
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. The port list is specified by
listing the lowest switch number and the beginning port number
on that switch, separated by a colon. Then the highest switch
number, and the highest port number of the range (also
separated by a colon) are specified. The beginning and end of
the port list range are separated by a dash. For example, 1:3
specifies switch number 1, port 3. 2:4 specifies switch number 2,
port 4. 1:3-2:4 specifies all of the ports between switch 1, port 3
and switch 2, port 4
−
in numerical order.
<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.
static
−
Displays the static MAC address entries.
aging_time
−
Displays the aging time for the MAC address
forwarding database.
Restrictions
None.
Example usage:
To display unicast MAC address table:
DGS-3312SR:4#show fdb
Command: show fdb
Unicast MAC Address Aging 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
00-01-30-10-2C-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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