C
HAPTER
5
| Monitoring the Switch
Showing IGMP Snooping Information
– 232 –
◆ MSTP – The number of MSTP Configuration BPDU's received/
transmitted on a port.
◆ 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.
WEB INTERFACE
To display information on spanning port statistics, click Monitor, Spanning
Tree, Por t Statistics.
Figure 94: Spanning Tree Port Statistics
SHOWING IGMP SNOOPING INFORMATION
Use the IGMP Snooping page to display IGMP querier status and snooping
statistics for each VLAN, the port members of each service group, and the
ports connected to an upstream multicast router/switch.
CLI REFERENCES
◆ "IGMP Commands" on page 419
PARAMETERS
These parameters are displayed in the web interface:
Statistics
◆ VLAN ID – VLAN Identifier.
◆ Querier Status – Shows the Querier status as “ACTIVE” or “IDLE.”
When enabled, the switch can serve as the Querier, which is responsible
for asking hosts if they want to receive multicast traffic.
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