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Command Reference Guide
ATM Sub-Interface Config Command Set
ip mcast-stub helper-enable
Use the ip mcast-stub helper-enable command to assign the ip mcast-stub helper-address as the IGMP
proxy. Use the no form of this command to disable.
Syntax Description
No subcommands.
Default Values
By default, this command is disabled.
Applicable Platforms
This command applies to the NetVanta 300, 1000R, 3000, and 4000 Series units.
Command History
Release 8.1
Command was introduced.
Functional Notes
This command is used in IP multicast stub applications in conjunction with the ip mcast-stub
helper-address, ip mcast-stub upstream, and ip mcast-stub downstream commands. When enabled,
the interface becomes a helper forwarding interface. The IGMP host function is dynamically enabled and
the interface becomes the active upstream interface, enabling the router to perform as an IGMP proxy.
Refer to
ip mcast-stub helper-address <ip address>
on page 434
,
ip mcast-stub downstream
on page 757
,
and
ip mcast-stub upstream
on page 759
for more information.
Usage Examples
The following example sets the helper address as the IGMP proxy:
(config)#interface atm 1.1
(config-atm 1.1)#ip mcast-stub helper-enable
61200510L1-35E
Copyright © 2005 ADTRAN
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