Users Guide

Layer 3 Routing Commands 1454
Example
The following example configures 2 seconds as the Maximum Response Time
inserted in VLAN 15’s Group-Specific Queries.
console(config)#interface vlan 15
console(config-if-vlan15)#ip igmp last-member-query-interval 20
ip igmp mroute-proxy
This command configures downstream IGMP proxy on the selected VLAN
interface associated with multicast hosts. Use this command to enable the
proxying of IGMP messages received on the local interface to the multicast
router connected interface enabled with the ip igmp proxy-service command.
PIM and DVMRP are not compatible with IGMP proxy. Disable
PIM/DVMRP before enabling IGMP proxy.
Multicast routing must be enabled for the IGMP proxy service to become
operationally enabled.
IGMP is enabled when ip pim sparse-mode, ip pim dense-mode, ip dvmrp,
or ip igmp-proxy are enabled. IP multicast routing must be globally enabled
and an upstream interfaces must be configured using the the ip igmp proxy-
service command. If ip pim or ip dvmrp is enabled, this command is not
displayed in the running-config.
Syntax
ip igmp mroute-proxy
no ip igmp mroute-proxy
Default Configuration
Disabled is the default state.
Command Mode
Interface VLAN Configuration mode
User Guidelines
IGMP is enabled when ip pim sparse-mode, ip pim dense-mode, ip dvmrp,
or ip igmp-proxy are enabled.