3Com 2924-PWR User Guide - Page 154
Root Guard, Default Path Cost, Path Cost, Priority, RSTP Link Type, Select Ports, Enabled, Disabled
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154 CHAPTER 11: CONFIGURING SPANNING TREE ■ Enabled - Indicates fast link is enabled on the port. ■ Auto - Enables the device to automatically establish a fast link. ■ Disabled - Indicates fast link is disabled on the port. ■ Root Guard - Restricts the interface from acting as the root port of the switch. The possible field values are: ■ Enable - Indicates Root Guard is enabled on the port ■ Disable - Indicates Root Guard is disabled on the port. ■ Default Path Cost - Specifies if Default Path Cost is enabled. The possible field values are: ■ Enable - Enables the default path cost on the port. ■ Disable - Disables the default path cost on the port. ■ Path Cost - Defines the port contribution to the root path cost. The path cost is adjusted to a higher or lower value, and is used to forward traffic when a path is re-routed. The field range is 1-200,000,000. ■ Priority - Defines the priority value of the port. The priority value influences the port choice when a bridge has two ports connected in a loop. The priority value is between 0-240. The priority value is determined in increments of 16. ■ RSTP Link Type - Specifies whether a Point-to-Point link is established, or if the device is permitted to establish a Point-to-Point link. The possible field values are: ■ Auto - Enables the device to establish automatically Point-to-Point link. ■ Point to Point - Indicates if a Point-to-Point link is currently established on the port. Ports set to Full Duplex modes are considered Point-to-Point port links. ■ Shared - Enables the device to establish a shared link. ■ Select Port(s) - Selects the ports to be defined. 2 Select the ports to be defined 3 Define the fields. 4 Click . Spanning Tree is modified on the port, and the device is updated.