Operation Manual
VLAN Commands
VLAN Commands
6 – 77
1 00:0b:0e:02:76:f5 1 [ALL]
Total Matching FDB Entries Displayed = 3
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:
MX# 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
Table 6– 12 describes the fields in the show fdb output.
See Also
● clear fdb on page 6-67
● set fdb on page 6-71
show fdb agingtime
Displays the aging timeout period for forwarding database entries.
Syntax
show fdb agingtime [vlan vlan-id]
Defaults
None.
Access
All.
History
Introduced in MSS Version 1.0.
Examples
The following command displays the aging timeout period for all VLANs:
MX# show fdb agingtime
VLAN 2 aging time = 600 sec
VLAN 1 aging time = 300 sec
Table 6– 12. Output for show fdb
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 the forwarding entry destination.
CoS Type of entry. The entry types are explained in the first row of the command
output.
Note: This Class of Service (CoS) value is not associated with MSS
quality of service (QoS) features.
Destination Ports MX port associated with the entry. A MX 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.
vlan vlan-id VLAN name or number. If you do not specify a VLAN, the aging timeout period for
each VLAN is displayed.