我在一台 Ubuntu 16.04 机器上安装了 OpenVPN 服务器。我需要从家外使用 OpenVPN 客户端进行连接
使用 tun0 网络从服务器 (192.168.2.50) 执行 ping 操作
客户端-1
vino@ubuntu:~$ ping 10.8.0.18
PING 10.8.0.18 (10.8.0.18) 56(84) bytes of data.
64 bytes from 10.8.0.18: icmp_seq=1 ttl=64 time=240 ms
64 bytes from 10.8.0.18: icmp_seq=2 ttl=64 time=47.0 ms
^C
--- 10.8.0.18 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1002ms
rtt min/avg/max/mdev = 47.020/143.818/240.617/96.799 ms
客户端-2
vino@ubuntu:~$ ping 10.8.0.22
PING 10.8.0.22 (10.8.0.22) 56(84) bytes of data.
64 bytes from 10.8.0.22: icmp_seq=1 ttl=64 time=217 ms
64 bytes from 10.8.0.22: icmp_seq=2 ttl=64 time=589 ms
64 bytes from 10.8.0.22: icmp_seq=3 ttl=64 time=507 ms
^C
--- 10.8.0.22 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 217.640/438.043/589.171/159.390 ms
但使用 eth0 和 wlp4s0 网络从服务器 ping 失败
客户端-1
vino@ubuntu:~$ ping 192.168.1.5
PING 192.168.1.5 (192.168.1.5) 56(84) bytes of data.
^C
--- 192.168.1.5 ping statistics ---
2 packets transmitted, 0 received, 100% packet loss, time 1000ms
客户端-2
vino@ubuntu:~$ ping 192.168.43.253
PING 192.168.43.253 (192.168.43.253) 56(84) bytes of data.
^C
--- 192.168.43.253 ping statistics ---
6 packets transmitted, 0 received, 100% packet loss, time 5020ms
我无法使用 wlp3n0 或 eth0 网络从服务器 ping 通客户端，反之亦然