We tried to swap our lan (eth2) interface with our net interface (etj5)
Before:
lan      eth2           detect         routeback
dmz      eth4           detect         #norfc1918
net      eth5           detect         #norfc1918
pix      eth3           detect         #norfc1918
vpn      tun0

After:

lan      eth5           detect         routeback
dmz      eth4           detect         #norfc1918
net      eth2           detect         #norfc1918
pix      eth3           detect         #norfc1918
vpn      tun0

We also swapped the contents of the ifcfg-eth-id:00 .... files so that 
eth5 was now eth 2 & vice versa

Then we switched the cables so that the internet was connected to the 
eth5 and lan to eth2

and then searched /etc/shorewall for all files containing eth2 and eth5 
and made appropriate changes.

Rebooted

from the shorewall machine we were able to access the dmz and the lan 
and the internet. We could get to the DMZ from the LAN. We could not 
however connect to any systems on the dmz from the internet. After we 
un-did out our changes, everything was working again.

This is a Suse Linux 10.2 machine. Are there any other places besides 
these shorewall files where changes need to be made on Suse to do this? 
We had to back out of what we had hoped would be a fast update and restart.

 - Joel

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