No, you set them up as static translations.
! NAT Configuration
ip nat pool ISP xxx.yyy.zzz.40 xxx.yyy.zzz.62 prefix-length 27
ip nat inside source list 10 pool ISP overload
! Static Translation for STMP & POP3 Server
ip nat inside source static 10.100.100.3 xxx.yyy.zzz.36
! Static Translation for WINFRAME Server
ip nat inside source static 10.100.100.2 xxx.yyy.zzz.37
! Static Translation for LOTUS Notes Server
ip nat inside source static 10.100.100.17 xxx.yyy.zzz.35
> -----Original Message-----
> From: saeed @
pk [SMTP:saeed @
> Sent: Wednesday, February 25, 1998 2:46 AM
> To: 'firewalls @
> Subject: NAT question
> We will be implementing NAT for our Intranet using CISCO 2509,
> The question I have for all you Guru's is, I have an Oracle
> (running ever thing on NT) and a Lotus Notes (again NT) server
> accessible to the outside world will implementation of NAT affect
> approachability from the outside world and for people on the inside.
> I hope my question is comprehended by all.
> Saeed Abubakar
> Sr. System Engineer
> Network Operations
> Cyber Internet Services (Pvt) Ltd.
> e-mail :- saeed @
> web :- http://www.cyber.net.pk
> Telephone :- (92 21) 111445566 Ext. 232/201
> Fax :- 92 21 5686745