linux网络配置正确,能够ping通外网地址,无法打开网页问题
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![]() | linux网络配置正确,能够ping通外网地址,无法打开网页问题
首先确定系统的网络配置没有问题,并且能够访问外网,通过以下方法进行确认: [root@localhost ~]# more /etc/sysconfig/network-scripts/ifcfg-eth0 # intel Corporation 82545EM Gigabit Ethernet Controller (Copper) DEVICE=eth0 BOOTPROTO=none HWADDR=00:50:56:bd:00:56 ONBOOT=yes NETMASK=255.255.255.0 IPADDR=172.16.6.50 GATEWAY=172.16.6.1 TYPE=Ethernet [root@localhost ~]# ping 172.16.6.1 PING 172.16.6.1 (172.16.6.1) 56(84) bytes of data. 64 bytes from 172.16.6.1: icmp_seq=1 ttl=255 time=0.890 ms 64 bytes from 172.16.6.1: icmp_seq=2 ttl=255 time=0.841 ms --- 172.16.6.1 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 999ms rtt min/avg/max/mdev = 0.841/0.865/0.890/0.038 ms 在确定网络没问题的情况下,可以通过如下步骤寻找解决办法: 1) 确定设置了域名服务器 [root@localhost ~]# more /etc/resolv.conf search localdomain nameserver 8.8.8.8 #谷歌的免费DNS 2) 确定设置了网关 [root@localhost ~]# grep GATEWAY /etc/sysconfig/network-scripts/ifcfg* ------------------------------------------------------------------- /etc/sysconfig/network-scripts/ifcfg-eth0:GATEWAY=172.16.6.1 ------------------------------------------------------------------- 如果没有设置,可以通过如下两种方式增加网关: a. [root@localhost ~]# route add default gw 192.168.40.1 b. [root@localhost ~]#vi /etc/sysconfig/network-scripts/ifcfg* 重启network服务: [root@localhost ~]# service network restart 3) 确定可用dns解析 [root@localhost ~]# grep hosts /etc/nsswitch.conf ------------------------------------------------------------------- hosts: files dns ------------------------------------------------------------------- 排除以上情况,问题基本上可以解决…… | |
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