Accepting Igmp Reports From Remote Subnetworks - Juniper JUNOSE 11.0.X MULTICAST ROUTING Configuration Manual

JUNOSe 11.0.x Multicast Routing Configuration Guide

Accepting IGMP Reports from Remote Subnetworks

By default, IGMP interfaces accept IGMP reports only from associated subnetworks.
You can configure the router to accept IGMP reports from subnetworks that are not
associated with its interfaces. The igmp promiscuous command in Router
Configuration mode specifies whether interfaces on the router can accept IGMP
reports from indirectly connected subnets. To override this global setting on a
particular interface, use the ip igmp promiscuous command in Interface Configuration
mode.
In the following example, the router is configured to accept IGMP reports from
Example
indirectly connected subnets on all interfaces. The interface on port 0 of the line
module in slot 4 is then configured to accept IGMP reports only from directly
connected subnets.
igmp promiscuous
ip igmp promiscuous
60

Accepting IGMP Reports from Remote Subnetworks

host1(config)#ip igmp explicit-tracking
Use the no version to disable explicit host tracking on the interface. Use the no
version with the disable-if-igmp-v2-detected keyword to revert to the default
explicit host tracking behavior.
See ip igmp explicit-tracking.
host1(config)#virtual-router boston
host1:boston(config)#router igmp
host1:boston(config-router)#igmp promiscuous
host1:boston(config-router)#exit
host1:boston(config)#interface serial 4/0
host1:boston(config-if)#ip igmp promiscuous off
Use to enable all IGMP interfaces on the router to accept IGMP reports from hosts
on any subnetwork.
Example
host1:boston(config-router)#igmp promiscuous
Use the no version to enable IGMP interfaces on the router to accept IGMP reports
only from hosts on their associated subnetworks.
See igmp promiscuous.
Use to specify whether the interface accepts IGMP reports from hosts on any
subnetwork.
Use the on keyword to enable the interface to accept IGMP reports from
hosts on any subnetwork.