Chapter 23
| Multicast Filtering Commands
IGMP Snooping
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â—†
This command is only effective if IGMP snooping is enabled, and IGMPv2 or
IGMPv3 snooping is used.
Example
The following shows how to enable immediate leave.
Console(config)#ip igmp snooping vlan 1 immediate-leave
Console(config)#
ip igmp snooping vlan
last-memb-query-
count
This command configures the number of IGMP proxy group-specific or group-and-
source-specific query messages that are sent out before the system assumes there
are no more local members. Use the
no
form to restore the default.
Syntax
ip igmp snooping vlan
vlan-id
last-memb-query-count
count
no ip igmp snooping vlan
vlan-id
last-memb-query-count
vlan-id - VLAN ID (Range: 1-4094)
count - The number of proxy group-specific or group-and-source-specific
query messages to issue before assuming that there are no more group
members. (Range: 1-255)
Default Setting
2
Command Mode
Global Configuration
Command Usage
This command will take effect only if IGMP snooping proxy reporting or IGMP
querier is enabled (page 548).
Example
Console(config)#ip igmp snooping vlan 1 last-memb-query-count 7
Console(config)#
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