测试Linux从2.4内核开始就非常好的支持了网桥，并且还支持生成树协议等高级应用。加入网桥的物理 端口将不分配IP地址，只有网桥虚拟端口可以分配IP ... 4,修改/etc/sysconfig/network-tests from the Linux kernel 2.4 on the very good start to support the bridge, It also support the Spanning Tree Protocol and other advanced app