A local communication network comprising a first client communication unit and at least one second client communication unit, said first client communication unit and said at least one second client communication unit each comprising a first interface unit and a second interface unit, said first interface unit being operatively connected to said local communication network and said second interface unit being operatively connected to a remote communication network, wherein said first client communication unit and said at least one second client communication unit are wireless units each comprising a roaming control unit and a bridging unit capable of transparently bridging traffic between said local communication network and said remote communication network, characterised in that each one of said first wireless client communication unit and said at least one second wireless client communication unit has a first mode of operation and a second mode of operation, the bridging unit of a wireless client communication unit (10, 12) in said first mode of operation is arranged for bridging traffic through a first communication path, wherein only one wireless client communication unit (10, 12) is allowed to bridge traffic at the same time, a wireless client communication unit (10, 12) in said second mode of operation is arranged for scanning for an alternative communication path, and for communicating over said local communication network data regarding possible alternative communication paths, the roaming unit of a wireless client communication unit (10, 12) in said first mode of operation is arranged for determining whether another, second, communication path is preferred over said first communication path, and for instructing a wireless client communication unit (10, 12) in said second mode of operation to establish communication over said second communication path, said second client communication unit is operatively connected to said first client communication unit for checking the operational status of the first client communication unit, and a wireless client communication unit (10, 12) operating in said first mode is arranged for switching mode to said second mode, for switching mode of a wireless client communication unit (10, 12) operating in said second mode to said first mode and for activating said bridging unit of said wireless client communication unit (10, 12) now operating in said first mode to transparently bridge traffic between said local communication network and said remote communication network. each one of said first wireless client communication unit and said at least one second wireless client communication unit has a first mode of operation and a second mode of operation, the bridging unit of a wireless client communication unit (10, 12) in said first mode of operation is arranged for bridging traffic through a first communication path, wherein only one wireless client communication unit (10, 12) is allowed to bridge traffic at the same time, a wireless client communication unit (10, 12) in said second mode of operation is arranged for scanning for an alternative communication path, and for communicating over said local communication network data regarding possible alternative communication paths, the roaming unit of a wireless client communication unit (10, 12) in said first mode of operation is arranged for determining whether another, second, communication path is preferred over said first communication path, and for instructing a wireless client communication unit (10, 12) in said second mode of operation to establish communication over said second communication path, said second client communication unit is operatively connected to said first client communication unit for checking the operational status of the first client communication unit, and a wireless client communication unit (10, 12) operating in said first mode is arranged for switching mode to said second mode, for switching mode of a wireless client communication unit (10, 12) operating in said second mode to said first mode and for activating said bridging unit of said wireless client communication unit (10, 12) now operating in said first mode to transparently bridge traffic between said local communication network and said remote communication network.