ping: Network is unreachable

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问题

[root@web-1 yum.repos.d]# ping baidu.comping: unknown host baidu.com[root@web-1 yum.repos.d]# ping 119.29.29.29connect: Network is unreachable

看一下路由，发现没有网关

[root@web-1 yum.repos.d]# route -nKernel IP routing tableDestination     Gateway         Genmask         Flags Metric Ref    Use Iface172.16.0.0      0.0.0.0         255.255.254.0   U     0      0        0 eth0169.254.0.0     0.0.0.0         255.255.0.0     U     1002   0        0 eth0

添加网关

[root@web-1 yum.repos.d]# route add default gw 172.16.0.1

好了

[root@web-1 yum.repos.d]# ping baidu.comPING baidu.com (123.125.114.144) 56(84) bytes of data.64 bytes from 123.125.114.144: icmp_seq=1 ttl=51 time=27.0 ms[root@web-1 yum.repos.d]# ping 119.29.29.29PING 119.29.29.29 (119.29.29.29) 56(84) bytes of data.64 bytes from 119.29.29.29: icmp_seq=1 ttl=39 time=5.67 ms

然后发现，真正的原因在这里

DEVICE="eth0"BOOTPROTO=staticHWADDR="00:0C:29:BB:0C:52"IPADDR=172.16.0.114NETMASK=255.255.254.0GATEAY=172.16.0.1        #少写了一个字母WIPV6INIT="yes"NM_CONTROLLED="no"ONBOOT="yes"TYPE="Ethernet"UUID="f749f4ce-2496-4b43-8596-22144ee4a996"

参考链接：
http://blog.csdn.net/qingtingchen1987/article/details/7045068
http://happy-xp.blog.163.com/blog/static/23241702010622114140935/

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