3Com 3800 - Manual (Page 110)

7-12 C HAPTER 7: S PANNING T REE P ROTOCOL (STP)
Configuration
Example
The following example creates and enables an STPD named
Backbone_st. It assigns the Manufacturing VLAN to the STPD. It
disables STP on ports 1 through 3, and port 4.
create stpd backbone_st
config stpd backbone_st add vlan manufacturing
enable stpd backbone_st
disable stpd backbone_st port 1-3,4
Displaying STP
Settings To display STP settings, use the following command:
show stpd { | all}
This command displays the following information:
■
STPD name
■
Bridge ID
■
STPD configuration information
Sample output from the command is displayed below:
show stpd
Stpd:s0 Stp:DISABLED Number of Ports:8
Ports: 1,2,3,4,5,6,7,8
Vlans: Default
BridgeID 80:00:00:e0:2b:00:a4:00
Designated root: 00:00:00:00:00:00:00:00
RootPathCost: 0
MaxAge: 0s HelloTime: 0s ForwardDelay: 0s
CfgBrMaxAge: 20s CfgBrHelloTime: 2s CfgBrForwardDelay:15s
Topology Change Time: 35s Hold time: 1s
Topology Change Detected: FALSE Topology Change:FALSE
Number of Topology Changes: 0
Time Since Last Topology Change: 0s
To display port-specific STP information, use the following command:
show stpd port
This command displays the following:
■
STPD port configuration
■
STPD state (root bridge, and so on)
■
STPD port state (forwarding, blocking, and so on)
SW3800.BK Page 12 Tuesday, May 5, 1998 5:20 PM