几个共享铁通的2M网，近来动不动就会断网，

现象是几台机之间可以PING和连通，就是

不能PING网关（猫），报超时。如果这时对“本地连接”

进行一次“修复”，就可以继续连上。-Several of the 2M shared Railway network will be broken at every turn in recent network phenomenon is among several machines can PING and connectivity is a failure to PING the gateway (cat), reported that out. If the time for a " local connection"　to a " fix" , you can continue to connect to.