The value of the object tlsIgmpSnpgCfgQuerySrcAddrType specifies,
together with the value of object tlsIgmpSnpgCfgQuerySrcAddress,
the source IP address used when generating IGMP queries.
When the value of this object is 'querySrcAddr (1)', the value
configured in tlsIgmpSnpgCfgQuerySrcAddress is used as the query
source address. When the value of this object is 'systemIpAddr (2)',
the IP address of the system interface is used.