How to deploy IPv6 at a WLCG Tier-2 site

Submitted by sciaba on Wed, 02/08/2017 - 10:27


The process of deploying IPv6 at a Tier-2 WLCG site  requires several steps and it has been followed only by a few sites, so far. This document will evolve into a detailed how-to guide for sites to follow, but initially it will contain a sketch of the procedure based on the experience of those sites which already deployed IPv6 in production.

IPv6 deployment steps

Very broadly speaking, the IPv6 deployment will require sites to go through these steps:

Implementation Template

Submitted by Anonymous (not verified) on Mon, 07/15/2013 - 17:53


  • Get a public prefix assignment
  • Define addressing plan and assignment rules
  • Add IPv6 support to the address management database and related tools
  • DNS Name resolution policies


  • Public address space
  • Network devices with IPv6 support
  • Software licences for IPv6 support
  • IPv6 Internet upstream


IPv6 at CERN

Submitted by Anonymous (not verified) on Thu, 06/13/2013 - 11:15

More information at


Since OSPF is the protocol routing IPv4, OSPF3 has been chosen as IGP. The topology of the two protocols will be the same as well as link costs and timers.

Addresses plan