Allied Telesis AlliedWare Plus Operating System Version 5.4.4C (x310-26FT,x310-26FP,x310-50FT,x310-50FP) - Manual (Page 768)

IGMP Snooping Commands
Software Reference for x310 Series Switches
31.30 AlliedWare Plus TM Operating System - Version 5.4.4C C613-50046-01 REV A
ip igmp ssm
Use this command to define a non-default Source Specific Multicast (SSM) range of IP
multicast addresses in IGMP. Incoming IGMPv1 and IGMPv2 join requests are ignored if the
multicast IP address is in the SSM range and no SSM mapping is configured for these
addresses. By default, the SSM range is 232/8. To define the SSM range to be other than
the default, use one of the access-list parameter options.
Use the no variant of this command to change the SSM range in IGMP back to the default.
Syntax ip igmp ssm range {<access-list-number>|<access-list-name>}
no ip igmp ssm
Default By default the SSM range is 232/8.
Mode Global Configuration
Examples To configure a non-default SSM range to be used in IGMP enter the commands:
To return to the default configuration enter the commands:
Related Commands access-list (standard numbered)
Parameter Description
<access-list-number> Access-list number, in the range <1-99>.
<access-list-name> Standard IP access-list name.
awplus# configure terminal
awplus(config)# access-list 10 permit 224.1.1.0 0.0.0.255
awplus(config)# ip igmp ssm range 10
awplus# configure terminal
awplus(config)# no ip igmp ssm