33-1
Chapter 33: Multicast Filtering Commands
This switch uses IGMP (Internet Group Management Protocol) to query for any
attached hosts that want to receive a specific multicast service. It identifies the ports
containing hosts requesting a service and sends data out to those ports only. It then
propagates the service request up to any neighboring multicast switch/router to
ensure that it will continue to receive the multicast service.
IGMP Snooping Commands
This section describes commands used to configure IGMP snooping on the switch.
Table 33-1 Multicast Filtering Commands
Command Groups Function Page
IGMP Snooping Configures multicast groups via IGMP snooping or static assignment,
sets the IGMP version, displays current snooping and query settings,
and displays the multicast service and group members
33-1
IGMP Query Configures IGMP query parameters for multicast filtering 33-6
Static Multicast Routing Configures static multicast router ports 33-10
Multicast VLAN Registration Configures a single network-wide multicast VLAN shared by hosts
residing in other standard or private VLAN groups, preserving
security and data isolation for normal traffic
33-11
Table 33-2 IGMP Snooping Commands
Command Function Mode Page
ip igmp snooping Enables IGMP snooping GC 33-2
ip igmp snooping vlan static Adds an interface as a member of a multicast group GC 33-2
ip igmp snooping version Configures the IGMP version for snooping GC 33-3
ip igmp snooping
leave-proxy
Suppresses leave messages unless received from the last
member port in the group
GC 33-3
ip igmp snooping
immediate-leave
Immediately deletes a member port of a multicast service if
a leave packet is received at that port and immediate-leave
is enabled for the parent VLAN
IC 33-4
show ip igmp snooping Shows the IGMP snooping and query configuration PE 33-5
show mac-address-table
multicast
Shows the IGMP snooping MAC multicast list PE 33-6
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