CentOS Networking

IF should be replaced with the name of an interface.

Interfaces

They can be named any damn thing, so be careful.

Interface configuration

Interfaces are configured in /etc/sysconfig/network-scripts/ifcfg-IF

CentOS docs

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=ens192
UUID=0942a8b4-882f-4989-a937-8600c2c1740b
DEVICE=ens192
ONBOOT=yes
IPADDRESS=10.0.1.23
NETMASK=255.255.255.0
GATEWAY=10.0.1.1
DNS=10.0.1.53

Static route

Static routes can be added to /etc/sysconfig/network-scripts/route-IF

CentOS documentation

10.0.1.0/24 via 10.0.2.1 dev eth1