mscCRNpiDnaRoutingId 1.3.6.1.4.1.562.36.2.1.42.2.2.10.1.1

This attribute identifies the routingId that the prefix-DNA maps to. If the value is set to zero, then the routingId is not used. Note that at least one and only one of the attributes in this group must be set to a non-zero value.