R2511-HP MSR Router Series IP Multicast Command Reference(V5)

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Syntax
igmp proxying forwarding
undo igmp proxying forwarding
Default
A non-querier downstream interface does not forward multicast traffic.
Views
Interface view
Default command level
2: System level
Examples
# Enable the multicast forwarding capability on Ethernet 1/1, a non-querier downstream interface on the
IGMP proxy device.
<Sysname> system-view
[Sysname] interface ethernet 1/1
[Sysname-Ethernet1/1] igmp proxying forwarding
igmp require-router-alert
Use igmp require-router-alert to configure the interface to discard IGMP messages that do not carry the
Router-Alert option.
Use undo igmp require-router-alert to restore the default.
Syntax
igmp require-router-alert
undo igmp require-router-alert
Default
The device does not check the Router-Alert option but passes all the IGMP messages that it receives to the
upper layer protocol for processing.
Views
Interface view
Default command level
2: System level
Examples
# Configure Ethernet 1/1 to discard IGMP messages that do not carry the Router-Alert option.
<Sysname> system-view
[Sysname] interface ethernet 1/1
[Sysname-Ethernet1/1] igmp require-router-alert
Related commands
• igmp send-router-alert
• require-router-alert