[root@localhost php-5.3.27]# ping
PING (111.13.101.208) 56(84) bytes of data.
64 bytes from 111.13.101.208: icmp_seq=1 ttl=49 time=26.6 ms
64 bytes from 111.13.101.208: icmp_seq=1 ttl=49 time=26.8 ms (DUP!)
64 bytes from 111.13.101.208: icmp_seq=1 ttl=48 time=26.8 ms (DUP!)
64 bytes from 111.13.101.208: icmp_seq=1 ttl=48 time=26.8 ms (DUP!)
From 192.168.199.196: icmp_seq=2 Redirect Network(New nexthop: 192.168.199.1)
64 bytes from 111.13.101.208: icmp_seq=2 ttl=49 time=26.9 ms
64 bytes from 111.13.101.208: icmp_seq=2 ttl=49 time=26.9 ms (DUP!)
64 bytes from 111.13.101.208: icmp_seq=2 ttl=48 time=26.9 ms (DUP!)
64 bytes from 111.13.101.208: icmp_seq=2 ttl=48 time=27.0 ms (DUP!)
From 192.168.199.196: icmp_seq=3 Redirect Network(New nexthop: 192.168.199.1)
64 bytes from 111.13.101.208: icmp_seq=3 ttl=49 time=25.8 ms
64 bytes from 111.13.101.208: icmp_seq=3 ttl=49 time=25.9 ms (DUP!)
64 bytes from 111.13.101.208: icmp_seq=3 ttl=48 time=25.9 ms (DUP!)
64 bytes from 111.13.101.208: icmp_seq=3 ttl=48 time=25.9 ms (DUP!)
解决方法：
清空/etc/udev//
>/etc/udev//
停掉NetworkManager服务
[root@localhost php-5.3.27]# service NetworkManager stop
Stopping NetworkManager daemon: [ OK ]
重启网络服务：
service network restart
ping
PING (123.125.114.144) 56(84) bytes of data.
64 bytes from 123.125.114.144: icmp_seq=1 ttl=128 time=21.1 ms
64 bytes from 123.125.114.144: icmp_seq=2 ttl=128 time=777 ms
64 bytes from 123.125.114.144: icmp_seq=3 ttl=128 time=19.9 ms
64 bytes from 123.125.114.144: icmp_seq=4 ttl=128 time=20.4 ms
64 bytes from 123.125.114.144: icmp_seq=5 ttl=128 time=19.6 ms