Configuration Guide 228
Configuring Spanning Tree MSTP Configurations
Internal Path Cost Displays the internal path cost. It is the root path cost from the current switch to
the root bridge in IST.
Designated Bridge Displays the bridge ID of the designated bridge in CIST.
Root Port Displays the root port of in CIST.
Latest TC Time Displays the latest time when the topology is changed.
TC Count Displays how many times the topology has changed.
The MSTP Summary section shows the information in MST instances:
Instance ID Select the desired instance.
Instance Status Displays the status of the desired instance.
Local Bridge Displays the bridge ID of the local switch. The local bridge is the current switch.
Regional Root Bridge Displays the bridge ID of the root bridge in the desired instance.
Internal Path Cost Displays the internal path cost. It is the root path cost from the current switch to
the regional root bridge.
Designated Bridge Displays the bridge ID of the designated bridge in the desired instance.
Root Port Displays the root port of the desired instance.
Latest TC Time Displays the latest time when the topology is changed.
TC Count Displays how many times the topology has changed.
3.2 Using the CLI
3.2.1 Configuring Parameters on Ports in CIST
Follow these steps to configure the parameters of the port in CIST:
Step 1 configure
Enter global configuration mode.
Step 2 interface { gigabitEthernet
port
| range gigabitEthernet
port-list
] [port-channel
port-channel
|
range port-channel
port-channel-list
}
Enter interface configuration mode.
Step 3 spanning-tree
Enable spanning tree function for the desired port.