Command Reference Guide
3Com Router 5000 Family and Router 6000 Family igmp version ● 67
Command Reference
igmp version
Purpose Use the igmp version command to specify the version of IGMP that a router uses.
Use the undo igmp version command to restore the default value.
Syntax igmp version { 1 | 2 }
undo igmp version
Parameters 1
IGMP Version 1.
2
IGMP Version 2.
If no version is specified, the default IGMP Version is 2.
Example Specify Ethernet1/0/0 to use IGMP Version 1.
[3Com-Ethernet1/0/0] igmp version 1
View This command can be used in the following views:
■ Interface view
Description All systems running in the same sub-network must support the same version of IGMP.
When a router finds the system of Version 1, it cannot switch to Version 1 by itself.