A mobile network configuration 500 includes a mobile router 525 forming one or more mobile subnets and including a plurality of cellular network interface devices 552, 554, 556, 558 installed thereon. The mobile network 500 further includes a network controller 520 installed as a node on a WAN 515. The mobile network 500 utilizes one or more cellular networks 505, 510 to provide network access to the WAN 515 via gateways 568, 570. The mobile router 525 provides a network interface between one or more local subnets 530, 535 and the at least one cellular network 505, 510. The mobile network 500 operates to establish an IP tunnel between the mobile router 525 and the network controller 520 for each of the plurality of cellular network interface devices 552, 554, 556, 558 installed on the mobile router 525 and to exchange network traffic between the mobile router and the network controller over any one of the IP tunnels.