有一个问题，我无法find答案。 我有典型的设置OpenVPN – 1个服务器与10.8.0.0/24子网和1个客户端与10.8.0.5地址。 无论从服务器到客户端的连接是否build立，我试图ping任何不在VPN子网中的东西，我收到重复，例如：
root@openvpn:~# ping google.com PING google.com (216.58.209.46) 56(84) bytes of data. 64 bytes from waw02s05-in-f14.1e100.net (216.58.209.46): icmp_seq=1 ttl=50 time=9.06 ms 64 bytes from waw02s05-in-f14.1e100.net (216.58.209.46): icmp_seq=1 ttl=49 time=9.08 ms (DUP!) 64 bytes from waw02s05-in-f14.1e100.net (216.58.209.46): icmp_seq=2 ttl=50 time=14.0 ms 64 bytes from waw02s05-in-f14.1e100.net (216.58.209.46): icmp_seq=2 ttl=49 time=14.0 ms (DUP!) 64 bytes from waw02s05-in-f14.1e100.net (216.58.209.46): icmp_seq=3 ttl=50 time=8.67 ms 64 bytes from waw02s05-in-f14.1e100.net (216.58.209.46): icmp_seq=3 ttl=49 time=8.69 ms (DUP!) 64 bytes from waw02s05-in-f14.1e100.net (216.58.209.46): icmp_seq=4 ttl=50 time=17.9 ms 64 bytes from waw02s05-in-f14.1e100.net (216.58.209.46): icmp_seq=4 ttl=49 time=18.0 ms (DUP!) 64 bytes from waw02s05-in-f14.1e100.net (216.58.209.46): icmp_seq=5 ttl=50 time=23.8 ms 64 bytes from waw02s05-in-f14.1e100.net (216.58.209.46): icmp_seq=5 ttl=49 time=23.8 ms (DUP!) 64 bytes from waw02s05-in-f14.1e100.net (216.58.209.46): icmp_seq=6 ttl=50 time=9.56 ms 64 bytes from waw02s05-in-f14.1e100.net (216.58.209.46): icmp_seq=6 ttl=49 time=9.59 ms (DUP!) 我的问题是 – 这是正常的，还是有一些configuration要在客户端或服务器端更正？