I have a scenario where pfSense1 is running the gateway to the Internet
for LAN1 in an office with its own WAN. Another box, pfSense2, is
running the gateway out to another LAN2, a network administered by other
people, where there's a shared printer on a LAN shared by other
organisations and that LAN has its own Internet connection for those
other organisations.

pfSense2's LAN interface is on LAN1 and its WAN interface is on LAN2.
pfSense2 has as its gateway the LAN2 gateway address, which doesn't work
(for whatever reason, maybe it requires a subscription, I don't know). I
access pfSense2 using VNC from a PC on LAN1, upgrading using .tgz files,
but now that pfSense 2.3 doesn't support upgrade in this way, I need to
get pfSense2's Internet access working. I presume I do this by swapping
pfSense2's WAN and LAN assignments around, and giving its WAN the
gateway address of pfSense1?

I administer this remotely. Is there a way to do the above without
losing connection to pfSense2 half way through the procedure?

If I swap the WAN and LAN around, is different firewalling rules going
to come into play, or some other issue, and break access to the printer
for PCs on LAN1?

Or is there an alternate means of getting Internet access to pfSense2,
maybe by adding a gateway address to its LAN interface?

I already specifically allow traffic out to the printer's IP address,
and turn this off:
Interfaces -> WAN -> [ ] Block private networks and loopback addresses

Thanks in advance


-- 
Pete Boyd

Open Plan IT - http://openplanit.co.uk
The Golden Ear - http://thegoldenear.org
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