From: fmarshallx@remove_the_x.acm.org   
      
   Situation:   
   2 sites, each with 2 public IP addresses available.   
   Need to set up site-to-site VPN.   
   Using RV042 throughout.   
      
   Existing RV042 is internet interface.   
   Want to add a VPN and cannot use the internet interface device for this   
   purpose and can't do a VPN passthrough because there aleady is one at one of   
   the sites.   
      
   It seems there are two ways:   
      
   1) simply connect an additional RV042 directly to the internet, using one of   
   the available public addresses, for the VPN.   
      
   2) connect an additional RV042 to the DMZ port of the existing internet   
   interface RV042.  This method has been suggested by those more experienced   
   than I.   
      
   I have #1 working - so the VPN setup isn't an issue.   
      
   I'm having trouble with #2 (DMZ) and am considering:   
      
   - get better information regarding how to set up the 2 RV042s on a site to   
   use the DMZ.   
      
   - give up and do #1.   
      
   I do wonder why #2 would be preferred if there's a bare RV042 connected to   
   the internet then why not 2 of them?  But I defer to the advice for now.   
      
   I have not figured out how to configure #2 so that the VPN will continue to   
   work after getting #1 up and running.  (Switching from one to the other   
   should be pretty easy: just unplug the VPN units from the direct internet   
   connection and plug them into the DMZ ports of the internet interfacing   
   units - assuming the "internet" units are configured ahead of time).  Their   
   IP addresses, being public addresses, don't change in doing this if I   
   understand how to set up the DMZ at all!  (oh, maybe not!)   
      
   Any comments appreciated!   
      
   Fred   
      
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