IBM 8275, User Manual

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its presence on the network. The range is between 0 to 65,535. The default
value is 0. If Status is Enable, the 8275-416 participates in the Spanning
Tree Protocol.
Spanning Tree Port Configuration/Status
You can configure the Spanning Tree Protocol by ports. Select Device
Configuration Menu from the Main Menu. Then select Spanning Tree Port
Configuration/Status Menu from the Device Configuration Menu. (See Figure 33.)
The parameter values are:
Port Priority:
Decimal value which indicates the priority of the 8275-416 . This value
ranges from 0 to 255. The lower the value, the higher the priority. The
8275-416 with the lowest priority value becomes the
root (IEEE 802.1D).
The default is 128.
Port Path Cost:
This output is automatically calculated. The cost represents the shortest
distance from any switch to the root switch interval for the unit announcing
its presence on the network. The range is between 0 to 65535. The default
value starts at 0, then it is 100 for 10Mbps ports; and it is 19 for 100Mbps
ports.
Configuring Broadcast Storm Recovery
Select Device Configuration on the Main Menu. Then, from the Device
Configuration Menu, select Broadcast Storm Recovery Menu. Broadcast storm
recovery can be enabled or disabled; the default is Disable. (See Figure 34 on
page 49.)
Figure 33. Spanning Tree Port Configuration/Status
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8275-416 User’s Guide