
Spanning Tree - STP
Spanning Tree - View - STP Port Status
Microsemi PDS-408G Web Management User Guide Ver. 1.0.1, 03-2019
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Root Por
t - The switch port currently assigned the root port role.
Root Cost
- Root Path Cost. For the Root Bridge it is zero. For all other Bridges, it is the sum of the
Port Path Costs on the least cost path to the Root Bridge.
Topology Flag
- The current state of the Topology Change Flag of this Bridge instance.
Topology Change Last
- The time since last Topology Change occurred.
8.5
Spanning Tree - View - STP Port Status
This page displays the STP CIST port status for physical ports of the switch
Figure 8-5: View STP Port Status
Port
- The switch port number of the logical STP port.
CIST Role
- The current STP port role of the CIST port. The port role can be one of the following
values:
•
AlternatePort
•
BackupPort
•
RootPort
•
DesignatedPort
•
Disabled.
CIST State
- The current STP port state of the CIST port. The port state can be one of the following
values: Discarding Learning Forwarding.
Uptime
- The time since the bridge port was last initialized.
8.6
Spanning Tree - View - STP Port Statistics
This option displays the STP port statistics counters of bridge ports in the switch. The STP port
statistics counters are described below.
Figure 8-6: View STP Port Statistics
Port
- The switch port number of the logical STP port.
MSTP
- The number of MSTP BPDUs received/transmitted on the port.
RSTP
- The number of RSTP BPDUs received/transmitted on the port.