igmp version force to vlan tagged interface not taking effect

Solution Verified - Updated -

Issue

  • We are setting up igmp version = 2 for vlan tagged interfaces and the kernel seems to be setting v1 for the igmp version.

    net.ipv4.conf.eth4/401.force_igmp_version = 2
    net.ipv4.conf.eth5/501.force_igmp_version = 2
    
    
    
    
    [root@example ~]# cat /proc/net/igmp
    Idx     Device    : Count Querier       Group    Users Timer    Reporter
    1       lo        :     1      V2
                                    010000E0     1 0:00000000               0
    .......
    20      eth4.401  :     1      V1
                                    010000E0     1 0:00000000               0
    21      eth5.501  :     1      V1
                                    010000E0     1 0:00000000               0
    

Environment

  • Red Hat Enterprise Linux 6.1

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