C
HAPTER
39
| Multicast Filtering Commands
IGMP Snooping
– 904 –
IGMP SNOOPING
This section describes commands used to configure IGMP snooping on the
switch.
Table 113: IGMP Snooping Commands
Command Function Mode
ip igmp snooping Enables IGMP snooping 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 report
suppression/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 proxy
general queries
GC
ip igmp snooping vlan
query-resp-intvl
Configures the maximum time the system waits for a
response to proxy general queries
GC
ip igmp snooping vlan
static
Adds an interface as a member of a multicast group GC
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