After Centos network configuration is fixed, the Internet cannot be accessed.

After Centos network configuration is fixed, the Internet cannot be accessed.

Symptom:

Ping Intranet

Ping the Internet ip address, the domain name cannot be normal, and an error message is returned:Connect: Network is unreachable

Run the command route to display and find that there is no gateway information. Then check the NIC configuration. The configuration information is as follows:

DEVICE = eth0

HWADDR =... (ignore)

TYPE = Ethernet

UUID =... (ignore)

ONBOOT = yes

NM_CONTROLLED = yes

BOOTPROTO = static

IPADDR = 192.168.118.131

NETMASK = 255.255.255.0

DNS1 = 8.8.8.8

After GATEWAY = 192.168.118.2 is added, restart the NIC service: service network restart to access the Internet.