tmnxMobServPcS5S8SgwGreKey 1.3.6.1.4.1.6527.3.1.2.66.2.4.1.34

The value of tmnxMobServPcS5S8SgwGreKey indicates the Generic Routing Encapsulation (GRE) key of the Serving Gateway (SGW) on S5 or S8 reference point.