Configure Switching Information
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M4300 Series and M4300-96X Fully Managed Switches User Manual
View STP Statistics
You can view information about the number and type of bridge protocol data units (BPDUs)
transmitted and received on each port.
To view Spanning Tree statistics:
1. Launch a web browser.
2. In the address field of your web browser, enter the IP address of the switch.
The login window opens.
3. Enter the user name and password.
The default admin user name is
admin and the default admin password is blank, that is,
do not enter a password.
4. Click the Login button.
The System Information page displays.
5. Select Switching > STP >
Advanced > STP Statistics.
Port Uptime Since Last Clear
Counters
Time since the counters were last cleared, displayed in Days, Hours,
Minutes, and Seconds.
Port Mode Spanning Tree Protocol Administrative mode associated with the port
or port channel. The possible values are
Enable or Disable.
Port Forwarding State The Forwarding State of this port.
Port Role Each MST Bridge Port that is enabled is assigned a Port Role for each
spanning tree.
The port role is one of the following values:
Root Port,
Designated Port, Alternate Port, Backup Port, Master Port or
Disabled Port.
Designated Root Root Bridge for the selected MST instance. It is made up using the
bridge priority and the base MAC address of the bridge.
Designated Cost Path Cost offered to the LAN by the Designated Port.
Designated Bridge Bridge Identifier of the bridge with the Designated Port. It is made up
using the bridge priority and the base MAC address of the bridge.
Designated Port Port Identifier on the Designated Bridge that offers the lowest cost to
the LAN. It is made up from the port priority and the interface number of
the port.
Table 79. MST Port Status (continued)
Field Description
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