Python-сообщество

class MulticastServerUDP(DatagramProtocol):
    def __init__(self, ip):
        self.ip = ip
    def startProtocol(self):
        self.transport.joinGroup(self.ip)
    def datagramReceived(self, data, address):
        print data
mcast = MulticastServerUDP('229.254.1.23')
reactor.listenMulticast(9000, mcast, listenMultiple=True)
mcast2 = MulticastServerUDP('229.253.1.27')
reactor.listenMulticast(9000, mcast2, listenMultiple=True)