best way to change IPs

TAC Support support at
Thu Jan 8 21:08:11 UTC 2004


About every year or 2 we change wholesalers and have to update our IP
range (1 class c)

Inevitably there is a period where sites dont work and mail disappears -
this year I would like to minimize the problems.

I have had a search of the archives and came up with this

As long as you're comfortable running without a secondary server for the
amount of time it takes to update and move the server to the new ip
address, you shouldn't have to go about registering a new server.  As
long as all the domains use the same name ( as their name
server, all you have to do is change the ip of at the
registrar, and change the ip in the zone of

So is this the recommended procedure i.e. change the secondary name server
(NS2) to the new IP range at the register and change the records on that
server to reflect the change while leaving the primary server with the old
range and records for a few days. Then change the IP of NS1 at the
register and change the records on NS1 to reflect the change.

Is there nothing to do to NS1 during the changeover period?

Seems to simple.

Terry Antonio

TAC Systems

Phone: 61 2 43678900
Fax:   61 2 43672450
Address: 5/188 The Entrance Rd
         Erina 2250

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