telnet的前提是网络通,如果跨网段,路由要通。ping的通网络就是通的,但是通过过滤icmp协议实现ping不通,但是网络还是通的。ping只是icmp协议的胡同,telnet主要测试端口和连通性。icmp协议封装在IP协议中,是tcp/ip协议一个分支,与tcp udp协议等级。
Solution:When mounting /path/to/device, a warning is seen "kernel: EXT3-fs warning: maximal mount count reached, running e2fsck is recommended". This is a non-fatal warning. Please follow the followin
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