3-74 Sun Fire B1600 Blade System Chassis Switch Administration Guide •June 2003
Command-line Interface: Configuring Basic STA Settings

The following command displays global STA settings, followed by settings for each

port.

Note – The current root port and current root cost display zero when the switch is

not connected to the network.

The following example sets the spanning tree mode to RSTP,enables the spanning

tree, and then sets the indicated attributes.

Console#show spanning-tree
Spanning-tree information
--------------------------------------------------------------
Spanning tree mode :RSTP
Spanning tree enable/disable :enable
Priority :32768
Bridge Hello Time (sec.) :2
Bridge Max Age (sec.) :20
Bridge Forward Delay (sec.) :15
Root Hello Time (sec.) :2
Root Max Age (sec.) :20
Root Forward Delay (sec.) :15
Designated Root :32768.0000E8666672
Current root port :0
Current root cost :0
Number of topology changes :0
Last topology changes time (sec.):9142
Transmission limit :3
Path Cost Method :4308020
.
.
.
Console(config)#spanning-tree mode rst
Console(config)#spanning-tree
Console(config)#spanning-tree priority 40000
Console(config)#spanning-tree hello-time 5
Console(config)#spanning-tree max-age 40
Console(config)#spanning-tree forward-time 20
Console(config)#