From: bmuntz@cscan.ca   
      
   I need some help with RAS and NAT   
      
   I have an PPPOE account   
   wind2003 server with three nics   
      
   My PPPoE account has one main address 206.180.5.x and they also give   
   me 206.108.4.x/30 as aditional IPs   
      
   I need to set up a network were I can access atleast 2 outside IPs for   
   DNS and other domain services.   
      
   I started of with one IP 206.108.5.x and used a simple broadband   
   router to forward ports. Now I need to keep the 208.106.5.x and use   
   one other IP for a secondary DNS and other services like email on two   
   IPs. One Exchnage and the other POP3 for multiple virtual domains.   
      
   I have a stand alone server win2003 with thre nics to go into service   
   (if needed)   
      
   I have a C1600 (C1605-R) Cisco router with PPPoE cpabilities. It has   
   two ethernet ports.   
      
   I also have a CISCO Catalyst 1900.   
      
   I have two other 10/100 8port switches.   
      
   I have in my domain 5 PCs surfing the net   
      
   I need to be secure from hackers. I have IIS Black Ice soft firewall   
   licenses at my disposal.   
      
   I don't understand how to configure the c1600 without loosing the   
   206.108.5.x IP that is already a domain DNS registration   
      
   Same goes for the NAT in RAS.   
      
   Any help on figuring this one out would be appreciated.   
      
   Please email your suggestions... bmuntz_@_cscan.ca (remove the   
   underscores)   
      
   thanks   
      
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