Those are all multihomed configurations. I was asking for 2 IP's in the same subnet on the same NIC.
I guess failing to find anything that discourages this configurations means there are not negatives. Thanks, On Mon, Apr 7, 2014 at 4:03 PM, Kurt Buff <[email protected]> wrote: > Don't know if these still apply, but take a look at the referenced KB > articles here: > > http://social.technet.microsoft.com/Forums/windowsserver/en-US/a1583d7f-fa59-4497-89de-666d683e53a0/can-dc-be-multihomed-in-windows-2008-server > > Kurt > > On Mon, Apr 7, 2014 at 1:02 PM, Datum Guru <[email protected]> wrote: > > If everything was DHCP that would be ideal. What if there are many > devices > > that have static IP info assigned. > > > > Is there any known issues with multiple IP's on domain controllers? > > > > > > > > On Thu, Apr 3, 2014 at 3:47 PM, Kurt Buff <[email protected]> wrote: > >> > >> IMHO, it's simpler to shorten the DHCP lease time to something like 4 > >> hours, update the scope or global options in DHCP to reflect the new > >> DCs settings and let the two DCs coexist for a few days, then demote > >> the old one. > >> > >> Kurt > >> > >> On Thu, Apr 3, 2014 at 1:38 PM, Datum Guru <[email protected]> wrote: > >> > Are there any negatives to adding a second IP address (in the same > >> > subnet) > >> > to a single NIC on a domain controller? > >> > > >> > The theory is there will be a "DNS Server IP." This is the IP that > will > >> > be > >> > set as the DNS server on static assignments and what DHCP hands out. > >> > > >> > Example: > >> > Assume AD integrated DNS and all domain controller have DNS installed. > >> > The DNS Server IP: 192.168.1.5 > >> > > >> > Domain controller DC-1 has the IP 192.168.1.10 and the additional IP > >> > 192.168.1.5. > >> > > >> > When I want to retire DC-1 I would promote a new domain controller > DC-2 > >> > which would have the IP 192.168.1.20. When both domain controllers > have > >> > fully replicated and are functioning correctly I would remove the > second > >> > IP > >> > (192.168.1.5) from DC-1 and add it as a second IP to DC-2. > >> > > >> > At this point there is still 2 domain controllers functioning but DNS > >> > clients that are pointing to 192.168.1.5 are using the new DC-2. > >> > > >> > Demoting the first DC-1 should not negatively effect any device after > >> > that. > >> > There is no moving IPs from computer to computer or renaming > computers. > >> > > >> > I have done much googling and have not found an answer to this > question. > >> > This is not multi-homed, everything is on the same subnet, and there > is > >> > only > >> > 1 NIC in each DC. > >> > > >> > Thanks, > >> > > >> > >> > > > > >
