System.out.printf("crc=0x%X\n", Checksum.inChecksum(ip, 0, ip.size()));
JBuffer b = new JBuffer(4);
b.order(ByteOrder.LITTLE_ENDIAN);
b.setUInt(0, 0x14010100);
System.out.printf("0x%X\n%s", 0x14010100, b.toHexdump());
b.order(ByteOrder.BIG_ENDIAN);
b.setUInt(0, 0x14010100);