Advanced Configuration
Multicast
Cisco SLM2008 8-Port Gigabit Smart Switch with PD and AC Power Administration Guide
47
5
•
Querier
—Indicates the IGMP router is active or idle.
•
Queries Transmitted
—Displays the number of queries that have been
transmitted.
•
Queries Received
—Displays the number of queries that have been
received.
•
v1 Reports
—Displays the number of IGMP v1 report packets that have
been received by the switch.
•
v2 Reports
—Displays the number of IGMP v2 report packets that have
been received by the switch.
•
v2 Leaves
—Displays the number of IGMP v2 leave packets that have been
received by the switch.
STEP 3
To update the IGMP status information, click
Refresh
.
Multicast
Configuring IGMP Settings
When IGMP Snooping is enabled globally, all IGMP packets are forwarded to the
CPU. The CPU analyzes the incoming packets and determines:
•
The ports that want to join which Multicast groups and issue the IGMP join
packet
•
The ports that have Multicast routers generating IGMP queries
Ports requesting to join a specific Multicast group issue an IGMP report,
specifying that Multicast group is accepting members. This results in the creation
of the Multicast filtering database.
