The OCID of the originating VCN that an incoming packet must match.
You can use this condition in conjunction with {@code SourceVcnIpAddressCondition}.
*NOTE:** If you define this condition for a rule without a {@code SourceVcnIpAddressCondition}, this condition matches all incoming traffic in the specified VCN.
An access control rule condition that requires a match on the specified source VCN OCID.