In one embodiment, a cellular recovery device includes an Ethernet physical transceiver to send and receive Ethernet frames, to and from, a remote host, respectively, via an Ethernet link, a cellular modem to send and receive cellular data packets, to and from a network, respectively, via a cellular communication system, and a central processing unit to receive a first control message originating from the remote host for the cellular recovery device to process the transfer of data between the Ethernet physical transceiver and the cellular modem, and process the transfer of data between the Ethernet physical transceiver and the cellular modem so that data may be transferred between a router/switch and the network via the cellular communication system. Related apparatus and methods are also described.