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frank_thyes_309's avatar
frank_thyes_309
Icon for Nimbostratus rankNimbostratus
Oct 12, 2012

IP forwarding

Hi Group,   we are migrating from PA address space to our own PI address space. Cooperation partners using domains like this: my.company.partner.com which point to our main IP address i.e 1.1.1.1,...
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Hamish's avatar
Hamish
Icon for Cirrocumulus rankCirrocumulus
Oct 12, 2012
You could... In advance, setup an A record in DNS that resolves to your old address. The get everyone who DOES own the domains to replace their A records with CNAMES.

 

 

Cutover then is as simple as changing the A record all the CNAMES resolve to.

 

 

Or do you still have a problem with even getting the partners to all update their DNS at any time?

 

 

H