Your new settings will not apply until the network interface is restarted or brought online.Add the following settings to the file:.Vi /etc/sysconfig/network-scripts/ifcfg-eth0 Open the configuration file for your network interface.It is an address that is manually configured by the administrator. Configuration File Configuring a Static IPĪ static address is one that is permanently assigned to one host. IPADDR: The IP address of the network interface.
Required if you require connectivity beyond your local network subnet, such as having Internet connectivity.
GATEWAY: The IP address of your network gateway. By doing so you return to having a naming convention of etc. While it is not recommended to disable this feature, you may disable it at any time. For example, the first network interface for a CentOS 7 server running on Virtualbox would be labeled enp3sp, or Ethernet device, bus 3, slot 0. For an ethernet card, the following are used: type, bus, and slot. The predictable naming convention assigns a name to an interface based on a number of factors. However, it wasn’t until CentOS 7 was released that the feature was enabled by default. Understanding Network Interface NamingĪ predictable way of determining a network interfaces name was introduced in CentOS 6. To add some confusion, the next interface is labeled enp8s0. This is no longer the case, as the first network interface is now labeled enp3s0. The first interface would also be named eth0. Prior to CentOS 7 the network interfaces were numbered, starting from 0. The biggest difference between the latest major version and those below it is the naming convention for network interfaces. If you are familiar with CentOS 6 or lower, you will notice that the network configuration files are largely the same. The following tutorial will guide you through configuring CentOS 7 network settings.
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