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最近在我的Windows 7主机中安装了centos虚拟机（虚拟机播放器）。无法从centos虚拟机登录谷歌
- 我可以ping我的vm从内部网络没有任何问题。
- 我也可以从我的vm到达内部网络而没有问题。
- 但我的虚拟机不能访问互联网，我不能ping谷歌例如或任何其他外部网络。
我尝试了几种解决方案，我花了一个多星期的时间试图找出问题所在。
配置：
- 我的VM被桥接和在DHCP模式下工作：
[根@本地〜]＃的ifconfig
eth0 Link encap:Ethernet HWaddr 00:0C:29:2F:D7:52
inet addr:**172.31.44.128** Bcast:172.31.47.255 Mask:255.255.248.0
inet6 addr: fe80::20c:29ff:fe2f:d752/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:15535 errors:0 dropped:0 overruns:0 frame:0
TX packets:503 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1099726 (1.0 MiB) TX bytes:38953 (38.0 KiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:36 errors:0 dropped:0 overruns:0 frame:0
TX packets:36 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:4098 (4.0 KiB) TX bytes:4098 (4.0 KiB)
[根@本地〜 ]＃more/etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=yes
HOSTNAME=localhost.localdomain
[根@本地〜]＃**
more /etc/sysconfig/network-scripts/ifcfg-eth0**
# Intel Corporation 82545EM Gigabit Ethernet Controller (Copper)
DEVICE=eth0
BOOTPROTO=dhcp
DHCPCLASS=
HWADDR=00:0C:29:2F:D7:52
ONBOOT=yes
[根@本地〜]＃**
more /etc/resolv.conf**
; generated by /sbin/dhclient-script
search dhcp.city.country.company
nameserver 172.31.41.2
nameserver 172.17.25.22
nameserver 172.16.25.10
[根@本地〜]＃
**netstat -rn**
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
172.31.40.0 0.0.0.0 255.255.248.0 U 0 0 0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
0.0.0.0 172.31.40.1 0.0.0.0 UG 0 0 0 eth0
我可以ping我的网关，可以ping我的DNS和代理也：
[根@本地〜]＃
ping 172.31.40.1
PING 172.31.40.1 (172.31.40.1) 56(84) bytes of data.
64 bytes from 172.31.40.1: icmp_seq=1 ttl=255 time=11.9 ms
64 bytes from 172.31.40.1: icmp_seq=2 ttl=255 time=1.18 ms
[[email protected] ~]# ping 172.31.41.2
PING 172.31.41.2 (172.31.41.2) 56(84) bytes of data.
64 bytes from 172.31.41.2: icmp_seq=1 ttl=128 time=1.75 ms
64 bytes from 172.31.41.2: icmp_seq=2 ttl=128 time=0.520 ms
64 bytes from 172.31.41.2: icmp_seq=3 ttl=128 time=0.580 ms
[[email protected] ~]# ping ptx.proxy.corp.company
PING lmarcproxy100.ptx.fr.company (10.7.80.40) 56(84) bytes of data.
64 bytes from lmarcproxy100.ptx.fr.company (10.7.80.40): icmp_seq=1 ttl=246 time=40.2 ms
64 bytes from lmarcproxy100.ptx.fr.company (10.7.80.40): icmp_seq=2 ttl=246 time=40.1 ms
64 bytes from lmarcproxy100.ptx.fr.company (10.7.80.40): icmp_seq=3 ttl=246 time=40.2 ms
64 bytes from lmarcproxy100.ptx.fr.company (10.7.80.40): icmp_seq=4 ttl=246 time=40.2 ms
网络接口高达&运行：
[[email protected] ~]# service network status
Configured devices:
lo eth0
Currently active devices:
lo eth0
防火墙停止：
[[email protected] ~]# service iptables status
Firewall is stopped.
[[email protected] ~]# service ip6tables status
Firewall is stopped.
什么？我也可以吃！
但我无法连接到互联网！
在此先感谢您的帮助。