D
P
ISPLAYING
ORT
S
STA
TATISTICS FOR
contradictory information. Port address table is cleared, and the
port begins learning addresses.
Forwarding - Port forwards packets, and continues learning
■
addresses.
Uptime - The time since the bridge port was last initialized.
◆
W
I
EB
NTERFACE
To display information on spanning tree port status, click Monitor, Spanning
Tree, Port Status.
Figure 56: Spanning Tree Port Status
Use the Port Statistics page to display statistics on spanning tree protocol
packets crossing each port.
P
ARAMETERS
These parameters are displayed on the RSTP Port Statistics page:
Port - Port Identifier.
◆
RSTP - The number of RSTP Configuration BPDU's received/transmitted
◆
on a port.
◆
STP - The number of legacy STP Configuration BPDU's received/
transmitted on a port.
TCN - The number of (legacy) Topology Change Notification BPDU's
◆
received/transmitted on a port.
Discarded Unknown - The number of unknown Spanning Tree BPDU's
◆
received (and discarded) on a port.
Discarded Illegal - The number of illegal Spanning Tree BPDU's
◆
received (and discarded) on a port.
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| Monitoring the Switch
C
5
HAPTER
Displaying Information on the Spanning Tree