vpn_myadapter
沒有指定 IP,無法連線 VPN server 端的 192.168.1.254。
[root@dywftp vpnclient]# ifconfig vpn_myadapter vpn_myadapter Link encap:Ethernet HWaddr 00:AC:E8:A9:C9:4D inet6 addr: fe80::2ac:e8ff:fea9:c94d/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:290 errors:0 dropped:0 overruns:0 frame:0 TX packets:245 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:500 RX bytes:20090 (19.6 KiB) TX bytes:20254 (19.7 KiB) [root@dywftp vpnclient]# ping -c3 192.168.1.254 PING 192.168.1.254 (192.168.1.254) 56(84) bytes of data. --- 192.168.1.254 ping statistics --- 3 packets transmitted, 0 received, 100% packet loss, time 11999ms
vpn_myadapter
IP 為 192.168.1.200/24,就可以連線 VPN server 端的 192.168.1.254。
[root@dywftp vpnclient]# ifconfig vpn_myadapter 192.168.1.200/24 [root@dywftp vpnclient]# ping -c3 192.168.1.254 PING 192.168.1.254 (192.168.1.254) 56(84) bytes of data. 64 bytes from 192.168.1.254: icmp_seq=1 ttl=64 time=1.80 ms 64 bytes from 192.168.1.254: icmp_seq=2 ttl=64 time=0.643 ms 64 bytes from 192.168.1.254: icmp_seq=3 ttl=64 time=0.603 ms --- 192.168.1.254 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2003ms rtt min/avg/max/mdev = 0.603/1.015/1.801/0.556 ms
vpn_myadapter
的 IP,可以使用 dhclient 命令。
[root@dywftp ~]# dhclient vpn_myadapter & [1] 22730 [root@dywftp ~]# ifconfig vpn_myadapter vpn_myadapter Link encap:Ethernet HWaddr 00:AC:E8:A9:C9:4D inet addr:192.168.1.11 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::2ac:e8ff:fea9:c94d/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:6701 errors:0 dropped:0 overruns:0 frame:0 TX packets:85 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:500 RX bytes:416312 (406.5 KiB) TX bytes:11980 (11.6 KiB) [1]+ Done dhclient vpn_myadapter
vpn_myadapter
釋出取得的 IP,可以使用 dhclient -r 命令。
[root@dywftp ~]# dhclient -r vpn_myadapter [root@dywftp ~]# ifconfig vpn_myadapter vpn_myadapter Link encap:Ethernet HWaddr 00:AC:E8:A9:C9:4D BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:6786 errors:0 dropped:0 overruns:0 frame:0 TX packets:94 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:500 RX bytes:421539 (411.6 KiB) TX bytes:12838 (12.5 KiB)