3 Configuring the Switch

Path Cost Method – The path cost is used to determine the best path between devices. The path cost method is used to determine the range of values that can be assigned to each interface.

Web – Click Spanning Tree, STA, Information.

Figure 3-55. Displaying Spanning Tree Information

CLI – This command displays global STA settings, followed by settings for each port.

Console#show spanning-tree

4-143

Spanning-tree information

---------------------------------------------------------------

Spanning tree mode

:RSTP

Spanning tree enable/disable

:enabled

Priority

Time (sec.)

:32768

Bridge Hello

: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

:32768.0.0000ABCD0000

Current root

port

:1

Current root

cost

:200000

Number of topology changes

:1

Last topology changes time (sec.):13380

Transmission

limit

:3

Path Cost Method

:long

.

.

.

Note: The current root port and current root cost display as zero when this device is not connected to the network.

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Image 128
SMC Networks 100BASE-TX, 16 10BASE-T manual Displaying Spanning Tree Information