3Com 9100 manual Displaying STP, Settings, Through 3, and port

96CHAPTER 6: SPANNING TREE PROTOCOL (STP)

Table 23 STP Configuration Commands (continued)

Command Description

config stpd <stpd_name> port cost <value> <portlist>

config stpd <stpd_name> port priority <value> <portlist>

Specifies the path cost of the port in this STPD.

The range is 1 through 65,535. The switch automatically assigns a default path cost based on the speed of the port, as follows:

■For a 100Mbps port, the default cost is 19.

■For a 1000Mbps port, the default cost is 4.

Specifies the priority of the port in this STPD. By changing the priority of the port, you can make it more or less likely to become the Root Port.

The range is 0 through 255. The default setting is 128. A setting of 0 indicates the lowest priority.

STP Configuration The following example creates and enables an STPD named Backbone_st. Example It assigns the Manufacturing VLAN to the STPD. It disables STP on ports 1

through 3, and port 6.

create stpd backbone_st

config stpd backbone_st add vlan manufacturing enable stpd backbone_st

disable stpd backbone_st port 1-3,6

Displaying STP	To display STP settings, use the following command:
Settings	show stpd {<stpd_name>}

This command displays the following information:

■STPD name

■Bridge ID

■STPD configuration information