The top line of the display identifies the characters to distinguish among the entry types.

The following command displays all entries that begin with the MAC address glob 00:

DWS-1008#show fdb 00:*

 

 

* = Static Entry. + = Permanent Entry. # = System Entry.

VLAN TAG Dest MAC/Route Des

[CoS]

Destination Ports [Protocol Type]

-----------------------------------------------------------------------------------------------------------------------

1

00:01:97:13:0b:1f

1

[ALL]

1

00:0b:0e:02:76:f5

1

[ALL]

Total Matching FDB Entries Displayed = 2

 

 

The table below describes the fields in the show fdb output.

Field

Description

VLAN

VLAN number.

 

 

TAG

VLAN tag value. If the interface is untagged, the TAG field is blank.

 

 

Dest MAC/Route Des

MAC address of this forwarding entry’s destination.

 

 

 

Type of entry. The entry types are explained in the first row of the ommand

CoS

output.

Note: This Class of Service (CoS) value is not associated with MSS

 

 

quality of service (QoS) features.

 

 

Destination Ports

Switch port associated with the entry. A switch sends traffic to the

destination MAC address through this port.

 

 

 

Protocol Type

Layer 3 protocol address types that can be mapped to this entry.

 

 

Total Matching FDB Entries Displayed

Number of entries displayed by the command.

 

 

show fdb agingtime

Displays the aging timeout period for forwarding database entries.

Syntax: show fdb agingtime [vlan vlan-id]

vlan vlan-idVLAN name or number. If you do not specify a VLAN, the aging timeout period for each VLAN is displayed.

Defaults: None.

Access: All.

Examples: The following command displays the aging timeout period for all VLANs:

DWS-1008#show fdb agingtime

VLAN 2 aging time = 600 sec

VLAN 1 aging time = 300 sec

Because the forwarding database aging timeout period can be configured only on an individual VLAN basis, the command lists the aging timeout period for each VLAN separately.

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D-Link dws-1008 manual Show fdb agingtime, DWS-1008# show fdb, Syntax show fdb agingtime vlan vlan-id