PLANET IGS-10020HPT - Manual (Page 179)

User’s Manual
179
4.7.9 Port Statistics
This Page displays the STP port statistics counters for port physical ports in the currently selected switch.
The STP Port Statistics screen in Figure 4-7-12 appears.
Figure 4-7-12: STP Statistics Page Screenshot
The Page includes the following fields:
Object Description
The switch port number of the logical RSTP port. 
Port
The number of MSTP Configuration BPDU's received/transmitted on the port.  MSTP
The number of RSTP Configuration BPDU's received/transmitted on the port. 
RSTP
The number of legacy STP Configuration BPDU's received/transmitted on the
port.

STP
The number of (legacy) Topology Change Notification BPDU's
received/transmitted on the port.

TCN

Discarded Unknown The number of unknown Spanning Tree BPDU's received (and discarded) on the
port.
The number of illegal Spanning Tree BPDU's received (and discarded) on the
port.
 Discarded Illegal
Buttons
Auto-refresh : Automatic refresh occurs every 3 seconds.
: Click to refresh the Page immediately.
: Clears the counters for all ports.