C
HAPTER
37
| Multicast Filtering Commands
IGMP Snooping
– 852 –
â—† If the IGMP proxy reporting is configured on a VLAN, this setting takes
precedence over the global configuration.
EXAMPLE
Console(config)#ip igmp snooping proxy-reporting
Console(config)#
ip igmp snooping
querier
This command enables the switch as an IGMP querier. Use the no form to
disable it.
SYNTAX
[no] ip igmp snooping querier
DEFAULT SETTING
Enabled
COMMAND MODE
Global Configuration
COMMAND USAGE
â—† IGMP snooping querier is not supported for IGMPv3 snooping (see ip
igmp snooping version).
â—† If enabled, the switch will serve as querier if elected. The querier is
responsible for asking hosts if they want to receive multicast traffic.
EXAMPLE
Console(config)#ip igmp snooping querier
Console(config)#
ip igmp snooping
router-alert-option-
check
This command discards any IGMPv2/v3 packets that do not include the
Router Alert option. Use the no form to ignore the Router Alert Option
when receiving IGMP messages.
SYNTAX
[no] ip igmp snooping router-alert-option-check
DEFAULT SETTING
Disabled
COMMAND MODE
Global Configuration
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