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Internet Protocol version 6 (IPv6) is the most recent version of the Internet Protocol (IP), the most important protocol of the Internet. IPv6 is faster, more secure and scalable. IPv6 is intended to replace IPv4.
Your openSUSE desktop supports IPv6 out of box. NetworkManager will automatically recognize IPv6 network and configure the IPv6 connection automatically.
For most VPS or server in a managed network, you should have the following configuration:
# file: /etc/sysconfig/network/ifcfg-eth0 BOOTPROTO='dhcp' STARTMODE='auto' IPV6_AUTOCONF=yes