3Com WX4400 3CRWX440095A User Manual
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C
HAPTER
17: C
ONFIGURING
AND
M
ANAGING
S
PANNING
T
REE
P
ROTOCOL
7
up
down
auto
network
10/100BaseTx
8
up
down
auto
network
10/100BaseTx
2 Configure a backbone VLAN and verify the configuration change. Type
the following commands:
WX1200# set vlan 10 name backbone port 1-2
success: change accepted.
WX1200# display vlan config
Admin
VLAN
Tunl
Port
VLAN Name
Status State Affin Port
Tag
State
---- --------------- ------ ----- ----- --------------- ----- -----
1 default
Up
Up
5
1 none
Up
10 backbone
Up
Down
5
1
none
Down
2
none
Down
4094 web-aaa Up Up 0
2 4094 Up
3 Enable STP on the backbone VLAN and verify the change. Type the
following commands:
WX1200# set spantree enable vlan backbone
success: change accepted.
WX1200# display spantree vlan 10
VLAN
10
Spanning tree mode
PVST+
Spanning tree type
IEEE
Spanning tree enabled
Designated Root
00-0b-0e-00-04-0c
Designated Root Priority
32768
Designated Root Path Cost
0
We are the root
Root Max Age
20 sec
Hello Time 2 sec
Forward Delay 15 sec
Bridge ID MAC ADDR
00-0b-0e-00-04-0c
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
10
Disabled
4
128
Disabled
2
10
Disabled
4
128
Disabled