虚拟机ping 通主机却上不了外网

Question

虚拟机系统centos7,
ifconfig 输出

eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500

    inet 192.168.80.131  netmask 255.255.255.0  broadcast 192.168.80.255
    inet6 fe80::1709:36a9:2bcb:77fc  prefixlen 64  scopeid 0x20<link>
    inet6 fd15:4ba5:5a2b:1008:9d2b:16fb:9e41:1019  prefixlen 64  scopeid 0x0<global>
    inet6 fd15:4ba5:5a2b:1008:e3e7:e7d:3745:63e2  prefixlen 64  scopeid 0x0<global>
    ether 00:0c:29:95:f5:aa  txqueuelen 1000  (Ethernet)
    RX packets 2127  bytes 255963 (249.9 KiB)
    RX errors 0  dropped 0  overruns 0  frame 0
    TX packets 2095  bytes 213918 (208.9 KiB)
    TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536

    inet 127.0.0.1  netmask 255.0.0.0
    inet6 ::1  prefixlen 128  scopeid 0x10<host>
    loop  txqueuelen 1000  (Local Loopback)
    RX packets 234  bytes 17140 (16.7 KiB)
    RX errors 0  dropped 0  overruns 0  frame 0
    TX packets 234  bytes 17140 (16.7 KiB)
    TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

virbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500

    inet 192.168.122.1  netmask 255.255.255.0  broadcast 192.168.122.255
    ether 52:54:00:a5:09:26  txqueuelen 1000  (Ethernet)
    RX packets 0  bytes 0 (0.0 B)
    RX errors 0  dropped 0  overruns 0  frame 0
    TX packets 0  bytes 0 (0.0 B)
    TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

traceroute www.baidu.com输出

traceroute to www.baidu.com (180.97.33.107), 30 hops max, 60 byte packets
1 gateway (192.168.80.2) 0.353 ms 0.226 ms 0.211 ms
2 *
3 *
4 *
5 *
6 *
7 *
8 *
9 *
10 *
11 *
12 *
13 *
14 *

同一个网域的win7 tracert www.baidu.com

为什么呢感觉好奇怪，
我感觉ifconfig输出不对。
vim /etc/sysconfig/network-scripts/ifcfg-eth0

TYPE="Ethernet"
PROXY_METHOD="none"
BROWSER_ONLY="no"
BOOTPROTO="static"
DEFROUTE="yes"
IPV4_FAILURE_FATAL="no"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
IPV6_DEFROUTE="yes"
IPV6_FAILURE_FATAL="no"
IPV6_ADDR_GEN_MODE="stable-privacy"
NAME="eth0"
UUID="4d1f35b4-4d62-46e6-8f31-64aa66a9d321"
DEVICE="eth0"
ONBOOT="yes"
IPADDR0=192.168.80.131
NETMASK=255.255.255.0
PREFIX0=24
GATEWAY0=192.168.80.2
DNS1=192.168.80.2

"/etc/sysconfig/network-scripts/ifcfg-eth0" 22L, 446C 20,1 All

这里也没有什么不对。
/etc/resolv.conf文件是锁死的，

grep hosts /etc/nsswitch.conf

hosts: files dns myhostname

感谢大家了

Answer 1

添加下一跳路由即可。