java 多网卡绑定例程

单播：

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DatagramSocket s = new DatagramSocket(0, InetAddress.getByName("192.168.29.1"));DatagramPacket p = new DatagramPacket(data, data.length, InetAddress.getByName("192.168.29.255"), 32000);s.send(p);

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组播：

MulticastSocket s = new MulticastSocket();s.setNetworkInterface(NetworkInterface.getByInetAddress(InetAddress.getByName("192.168.29.1")));s.setTimeToLive(32);DatagramPacket pkt = new DatagramPacket(data, data.length, InetAddress.getByName("225.1.1.1"), 32000);s.send(pkt);