3com WXR100 3CRWXR10095A User Manual
362
C
HAPTER
17: C
ONFIGURING
AND
M
ANAGING
S
PANNING
T
REE
P
ROTOCOL
To list only the ports that are in the active (forwarding) state, enter the
active option.
active option.
To display STP information for VLAN mauve, type the following command:
WX1200# display spantree vlan mauve
VLAN
VLAN
3
Spanning tree mode
PVST+
Spanning tree type
IEEE
Spanning tree enabled
Designated Root
00-02-4a-70-49-f7
Designated Root Priority
32768
Designated Root Path Cost
19
Designated Root Port
1
Root Max Age
20 sec
Hello Time 2 sec
Forward Delay 15 sec
Bridge ID MAC ADDR
00-0b-0e-02-76-f7
Bridge ID Priority
32768
Bridge Max Age 20 sec
Hello Time 2 sec
Forward Delay 15 sec
Port
Vlan
STP-State
Cost
Prio
Portfast
------------------------------------------------------------------------------
1
1
1
Forwarding
19
128
Disabled
2
1
Blocking
19
128
Disabled
3
1
Blocking
19
128
Disabled
5
1
Forwarding
19
128
Disabled
6
1
Blocking
19
128 Disabled
In this example, VLAN mauve contains ports 1 through 3, 5 and 6. Ports 1
and 5 are forwarding traffic. The other ports are blocking traffic.
and 5 are forwarding traffic. The other ports are blocking traffic.
(For more information about the fields in the output, see the
Wireless
LAN Switch and Controller Command Reference
.)
Displaying the STP
Port Cost on a VLAN
Basis
To display a brief list of the STP port cost for a port in each of its VLANs,
use the following command:
use the following command:
display spantree portvlancost port-list
This command displays the same information as the display spantree
command’s Cost field in a concise format for all VLANs. The display
spantree command lists all the STP information separately for each VLAN.
command’s Cost field in a concise format for all VLANs. The display
spantree command lists all the STP information separately for each VLAN.
To display the STP port cost of port 1, type the following command:
WX1200# display spantree portvlancost 1
port 1 VLAN 1 have path cost 19
port 1 VLAN 1 have path cost 19