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Chapter 4: Web management
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Port statistics
The STP Statistics page displays the STP port statistics counters for physical ports in
the currently selected switch.
The page includes the following fields:
Object
Port
MSTP
RSTP
STP
TCN
Discarded Unknown
Discarded Illegal
Buttons
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Auto-refresh
refresh occurs every three seconds.
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Clear
to clear the counters for all ports.
Multicast
IGMP snooping
The Internet Group Management Protocol (IGMP) allows hosts and routers share
information about multicast groups memberships. IGMP snooping is a switch feature
128
Description
The switch port number of the logical RSTP port.
The number of MSTP Configuration BPDU's received/transmitted on the
port.
The number of RSTP Configuration BPDU's received/transmitted on the
port.
The number of legacy STP Configuration BPDU's received/transmitted on
the port.
The number of (legacy) Topology Change Notification BPDU's
received/transmitted on the port.
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.
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NS3550-8T-2S Industrial Managed Switch User Manual
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