3Com S7902E Command Reference Manual - page 1140
1-16
Description
Use the
igmp send-router-alert
command on the current interface to enable insertion of the
Router-Alert option in IGMP messages to be sent.
Use the
undo igmp send-router-alert
command on the current interface to disable insertion of the
Router-Alert option in IGMP messages to be sent.
By default, IGMP messages are sent with the Router-Alert option.
Related commands:
send-router-alert
,
igmp require-router-alert
.
Examples
# Disable insertion of the Router-Alert option into IGMP messages that leave VLAN-interface 100.
[Sysname] interface vlan-interface 100
[Sysname-Vlan-interface100] undo igmp send-router-alert
igmp ssm-mapping enable
Syntax
igmp ssm-mapping enable
undo igmp ssm-mapping enable
View
Interface view
Default Level
2: System level
Parameters
None
Description
Use the
igmp ssm-mapping enable
command to enable the IGMP SSM mapping feature on the
current interface.
Use the
undo igmp ssm-mapping enable
command to disable the IGMP SSM mapping feature on the
current interface.
By default, the IGMP SSM mapping feature is disabled on all interfaces.
Examples
# Enable the IGMP SSM mapping feature on VLAN-interface 100.
[Sysname] interface vlan-interface 100
[Sysname-Vlan-interface100] igmp ssm-mapping enable