System and method for providing data access to mobile network nodes of a digital data network, said system comprising: a local mobility anchor node, herewith LMA, which has an uplink interface to an upstream network, a plurality of mobility access gateways, herewith MAGs, which are fixed access points comprising a wired interface to the LMA, one or more mobile mobility access gateways, herewith mMAGs, which are mobile, in particular vehicle, access points comprising a wireless interface to a MAGs or other mMAGs, a mobile network node, herewith MNN, comprising a wireless interface to a MAG or mMAG, each of said mMAGs configured for establishing a network binding to the LMA through an access point, by connecting to said access point, the access point being a MAG or another mMAG, such that data packets arrived at the LMA and destined to the MNN are routed and forwarded to the MNN through the mMAG.