On Wednesday, September 3, 2003, 21:50:34, Rob A wrote: > This isn't exactly a specific IMail question. I'm switching ISPs and since > my Public IP address will change, I was wondering if there's a way to > minimize downtime due to DNS changes by having my old and new Public IP NAT > to a single private IP where IMail runs. I have an internal router that can > route between the two circuits:
> IMail (Priv. IP Z.Z.Z.Z) --- > | > Internal Router----New Router that does NAT----> New Public IP X.X.X.X > | > |--------------Old Router that does NAT----> Old Public IP Y.Y.Y.Y > 1) Is it possible to have two public IPs NAT to a single private IP? Yes. > 2) How would packets get routed as they go out? Depends on how you configure the routing tables on the Internal Router. > I.E. should I just route everything to the New Router for outgoing > packets? It will be the simplest thing to do (I'm assuming you're not running BGP or some other routing protocol). I would however route packets destined for your old ISPs network out the old router. -- [EMAIL PROTECTED] "The avalanche has already started, it is too Rod Dorman late for the pebbles to vote." � Ambassador Kosh To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
