Red Hat / CentOS IPv6 Network Configuration

To configure IPv6 networking on a Red Hat Enterprise Linux (RHEL) or CentOS system, you will need to enable the IPv6 kernel module, configure the network interface, and set the IPv6 address.

Here are the steps to configure IPv6 networking on a RHEL or CentOS system:

1. Enable the IPv6 kernel module by running the following command:

sudo modprobe ipv6

This will enable the IPv6 kernel module and allow the system to use IPv6 networking.

2. Configure the network interface by editing the /etc/sysconfig/network-scripts/ifcfg-eth0 file (replace eth0 with the name of your network interface) and adding the following lines:

IPV6INIT=yes
IPV6ADDR=2001:db8:0:f101::1/64

This will enable IPv6 networking on the network interface and set the IPv6 address.

3. Set the default gateway by adding the following line to the /etc/sysconfig/network file:

IPV6_DEFAULTGW=2001:db8:0:f101::1

This will set the default gateway for IPv6 traffic on the system.

4. Restart the network service to apply the changes:

sudo systemctl restart network

The IPv6 networking is now configured on your RHEL or CentOS system.

It's always a good idea to carefully review the documentation and use the appropriate commands to configure IPv6 networking on your system. This will help ensure that the network is properly configured and that you have a stable and reliable networking environment.