IPv6 on RedHat linux

To setup IPv6 on a RedHat based operating system, follow below steps:

vi /etc/sysconfig/network-scripts/ifcfg-ethX

IPV6INIT=yes
IPV6ADDR=2a00:1630:1:13d::13d/56
IPV6_DEFAULTGW=2a00:1630:1:100::1

Restart the network, check if the default route is available:

ip -6 route

Should be something like:

default via 2a00:1630:1:100::1 dev eth2  metric 1  mtu 1500 advmss 1440 hoplimit 4294967295