Mark, > Except there really is no vendor lock anymore. It is > possible to automate the entire renumbering process. If > there are spots where it is not automated then they should > be found and fixed. You must have access to technology that at least I'm not aware of. We can automate some parts of the process, like hosts can get new addresses via RA, DHCP, and we have some tools for renumbering routers. But what about addresses embedded in firewall configs, applications, DNS, etc? Jari _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf