Chapter 24
| Multicast Filtering Commands
IGMP Snooping
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IGMP Snooping
This section describes commands used to configure IGMP snooping on the switch.
Table 124: IGMP Snooping Commands
Command Function Mode
ip igmp snooping Enables IGMP snooping GC
ip igmp snooping priority Assigns a priority to all multicast traffic GC
ip igmp snooping
proxy-reporting
Enables IGMP Snooping with Proxy Reporting GC
ip igmp snooping querier Allows this device to act as the querier for IGMP snooping GC
ip igmp snooping router-
alert-option-check
Discards any IGMPv2/v3 packets that do not include the
Router Alert option
GC
ip igmp snooping
router-port-expire-time
Configures the querier timeout GC
ip igmp snooping tcn-flood Floods multicast traffic when a Spanning Tree topology
change occurs
GC
ip igmp snooping
tcn-query-solicit
Sends an IGMP Query Solicitation when a Spanning Tree
topology change occurs
GC
ip igmp snooping
unregistered-data-flood
Floods unregistered multicast traffic into the attached
VLAN
GC
ip igmp snooping
unsolicited-report-interval
Specifies how often the upstream interface should
transmit unsolicited IGMP reports (when proxy reporting is
enabled)
GC
ip igmp snooping version Configures the IGMP version for snooping GC
ip igmp snooping
version-exclusive
Discards received IGMP messages which use a version
different to that currently configured
GC
ip igmp snooping vlan
general-query-suppression
Suppresses general queries except for ports attached to
downstream multicast hosts
GC
ip igmp snooping vlan
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
GC
ip igmp snooping vlan last-
memb-query-count
Configures the number of IGMP proxy query messages that
are sent out before the system assumes there are no local
members
GC
ip igmp snooping vlan last-
memb-query-intvl
Configures the last-member-query interval GC
ip igmp snooping vlan mrd Sends multicast router solicitation messages GC
ip igmp snooping vlan
proxy-address
Configures a static address for proxy IGMP query and
reporting
GC
ip igmp snooping vlan
proxy-reporting
Enables IGMP Snooping with Proxy Reporting GC
ip igmp snooping vlan
query-interval
Configures the interval between sending IGMP general
queries
GC
ip igmp snooping vlan
query-resp-intvl
Configures the maximum time the system waits for a
response to general queries
GC
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