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.
Example In the following example, the router is configured to accept IGMP reports from 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.
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
igmp promiscuous
• 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.
ip 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.
• Use the off keyword to enable the interface to accept IGMP reports only from hosts
on subnetworks associated with this interface.
• Example
host1:boston(config-if)#ip igmp promiscuous on
• Use the no version to configure an IGMP interface to use the Router Configuration
mode setting to determine the subnetworks from which it can accept IGMP reports.
• See ip igmp promiscuous.
Disabling and Removing IGMP
You can disable and reenable IGMP on the VR. You can also remove IGMP from the VR
and recreate it on the VR.
igmp disable
Copyright © 2010, Juniper Networks, Inc.58
JunosE 11.2.x Multicast Routing Configuration Guide
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