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HAPTER
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| Spanning Tree Algorithm
Configuring Interface Settings for STA
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◆ Root Port – The number of the port on this switch that is closest to the
root. This switch communicates with the root device through this port.
If there is no root port, then this switch has been accepted as the root
device of the Spanning Tree network.
◆ Root Path Cost – The path cost from the root port on this switch to
the root device.
◆ Configuration Changes – The number of times the Spanning Tree has
been reconfigured.
◆ Last Topology Change – Time since the Spanning Tree was last
reconfigured.
WEB INTERFACE
To display global STA settings:
1. Click Spanning Tree, STA.
2. Select Configure Global from the Step list.
3. Select Show Information from the Action list.
Figure 91: Displaying Global Settings for STA
CONFIGURING INTERFACE SETTINGS FOR STA
Use the Spanning Tree > STA (Configure Interface - Configure) page to
configure RSTP and MSTP attributes for specific interfaces, including port
priority, path cost, link type, and edge port. You may use a different
priority or path cost for ports of the same media type to indicate the
preferred path, link type to indicate a point-to-point connection or shared-
media connection, and edge port to indicate if the attached device can
support fast forwarding. (References to “ports” in this section means
“interfaces,” which includes both ports and trunks.)
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