Re: [cobalt-users] swapping raqs

[Gerald Waugh <gwaugh@xxxxxxxxxxxxxxxxxxxxxxx>]

On Wed, 25 Jun 2003, Josh Kuperman wrote:

> I need to figure out how to move everything running from one RaQ to
> another and back. I asked before about the migration utility and going
> from an XTR to a 550 .. but I didn't get any replies which makes me
> think it won't be easily done. I can use the migration utility info as
> a guide, but ther is no XTR to 550 migration utility. So I will be
> using the migration utility in the sense of reading what must be done
> and probably running it on the XTR to see what files it will create,
> it doesn't appear to be option for a rapid switch over.


  AFAIK the cmu will work for a RaQXTR to RAQ550 migration.
  Use 2.43, if that doesn't work use 2.53


> I am now thinking it would be easiest if I had both machines up on the
> network for a few days or so. I have some question about WAN vs LAN
> connection and what will happen. I am picturing the following
> scenario:
>
> The XTR is managing my local network running DNS, DHCP, SMTP, WEB, and
> everything that is accessed from the outside. I need to move most
> of what I'm running to 550. If I pull the WAN ethernet connection on
> the XTR and plug it into the 550, then connect the LAN connection on
> the 550 to the LAN can I use iptables to forward everything to the XTR
> until I have moved it all over?

Sure!
http://www.ecst.csuchico.edu/~dranch/LINUX/ipmasq/examples/rc.firewall-2.4
Study this simple example of masquerading and portfw

Gerald
--
http://frontstreetnetworks.com | http://store.raqware.com
  Front Street Networks LLC, 229 Front Street, Ste.#C
  New Haven, CT 06513-3203 | phone: +1-203-785-0699