局域网

nsf

有两台机器一台ip为192.168.0.1另一为192.168.0.2

[nsf@localhost nsf]$ ping 192.168.0.2
PING 192.168.0.2 (192.168.0.2) 56(84) bytes of data.
From 192.168.0.1 icmp_seq=1 Destination Host Unreachable
From 192.168.0.1 icmp_seq=1 Destination Host Unreachable
From 192.168.0.1 icmp_seq=1 Destination Host Unreachable
From 192.168.0.1 icmp_seq=1 Destination Host Unreachable
From 192.168.0.1 icmp_seq=1 Destination Host Unreachable
From 192.168.0.1 icmp_seq=1 Destination Host Unreachable
ping: sendmsg: Operation not permitted
From 192.168.0.1 icmp_seq=2 Destination Host Unreachable
ping: sendmsg: Operation not permitted
From 192.168.0.1 icmp_seq=3 Destination Host Unreachable
ping: sendmsg: Operation not permitted
From 192.168.0.1 icmp_seq=4 Destination Host Unreachable
ping: sendmsg: Operation not permitted

ShiyuTang

检查一下子网掩码对不对，还有是不是装了防火墙。

PS:
有一次我遇到这个问题始终无法解决，最后才发现，原来网线断了。