Chapter 22
| Multicast Filtering Commands
IGMP Proxy Routing
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Last Member Query Interval : 10 (resolution in 0.1 sec)
Querier : 0.0.0.0
Joined Groups :
Static Groups :
switch#
IGMP Proxy Routing
This section describes commands used to configure IGMP Proxy Routing on the
switch.
To enable IGMP proxy service, follow these steps:
1. Use the ip multicast-routing command to enable IP multicasting globally on
the router.
2. Use the ip igmp proxy command to enable IGMP proxy on the upstream
interface that is attached to an upstream multicast router.
3. Use the ip igmp command to enable IGMP on the downstream interfaces from
which to forward IGMP membership reports.
4. Optional – Use the ip igmp proxy unsolicited-report-interval command to
indicate how often the system will send unsolicited reports to the upstream
router.
ip igmp proxy This command enables IGMP proxy service for multicast routing, forwarding IGMP
membership information monitored on downstream interfaces onto the upstream
interface in a summarized report. Use the no form to disable proxy service.
Syntax
[no] ip igmp proxy
Default Setting
Disabled
Table 127: IGMP Proxy Commands
Command Function Mode
ip igmp proxy Enables IGMP proxy service for multicast routing IC
ip igmp proxy unsolicited-
report-interval
Specifies how often the upstream interface should
transmit unsolicited IGMP reports
IC
show ip igmp interface Displays multicast information for the specified interface PE
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