1404 Managing IPv4 and IPv6 Multicast
Configuring and Viewing IGMP Proxy
Beginning in Privileged EXEC mode, use the following commands to
configure the upstream VLAN routing interface as an IGMP proxy. The
IGMP proxy issues host messages on behalf of the hosts that have been
discovered on IGMP-enabled interfaces. The upstream interface is the
interface closest to the root multicast router, which should be running IGMP.
NOTE: Configure only the upstream interface as the IGMP proxy. IGMP should
be enabled on all downstream interfaces. IP routing and IP multicast must be
enabled on the switch for the IGMP proxy feature to operate.
Command Purpose
configure Enter global configuration mode.
interface vlan
vlan-id
Enter Interface Configuration mode for the
specified VLAN.
ip igmp-proxy Configure the interface as an IGMP proxy
interface.
ip igmp-proxy reset-status (Optional) Reset the host interface status
parameters of the IGMP Proxy.
ip igmp-proxy unsolicit-rprt-
interval
seconds
Configure the unsolicited report interval for the
IGMP proxy interface.
The range for
seconds
is 0–260 seconds.
CTRL + Z Exit to Privileged EXEC mode.
show ip igmp-proxy View a summary of the host interface status
parameters.
show ip igmp-proxy interface View a detailed list of the host interface status
parameters. This command displays information
only when IGMP Proxy is operational.
show ip igmp-proxy groups View a table of information about multicast
groups that IGMP Proxy reported. This
command displays information only when IGMP
Proxy is operational.
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