I am having a debate with a network person (but not z/OS) how DVIPA works. We have a LPAR with static IP which many hosts and firewalls know about it. I want to make this host part of a sysplex and so need to make certain IP addresses/ports dynamic so they can be switched to the second LPAR if the first goes down. This is a typical business requirement for DVIPA.
My view is we change the IP definition of the IP address from static to virtual (VIPA) and the make it dynamic - hence DVIPA but it's actual value does not change so that we need no firewall changes or DNS changes. He thinks we need a new IP address for the host and that means firewall and DNS changes. Not not having worked in a static to VIPA environment before I don't know but from my reading of the TCP documentation for z/OS it seems we don't need a new IP address - just a change in the way it's defined. Appreciate any advice in this area. Thanks ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
