02-28-2006 10:01 PM - edited 03-03-2019 11:54 AM
Hi All,
I would like to find out if a spare Cisco 1700 series router can replace some of the basic PIX functionality for a while, in terms of being a gateway to our Internet.
The main features I need to replicate are:
* NAT our private networks to the Internet
* Static map a public IP to an internal private IP (we have a number of public IP's that need to map to private hosts).
* Limit what traffic (by port) can come into the network using those static IP maps (ACL)
I think those are the primary functions we need. I know we need to get an Ethernet WIC for it, but aside from this, are the functions above possible?
Cheers
02-28-2006 10:11 PM
Hi,
All the features you require are supported on a 1700 series router.
A sample config follows:
interface
ip nat inside
!
interface
ip nat outside
ip access-group 101 in
!
! CONFIG FOR outbound NAT
ip nat pool NATPOOL
ip nat inside source list 1 pool NATPOOL
!
! CONFIG for inbound NAT to servers
ip nat inside source static
ip nat inside source static
!
access-list 1 permit
!
! ACL to limit what comes in
access-list 101....
Hope that helps - pls rate the post if it does.
Paresh
03-01-2006 02:10 PM
Thanks for that! It looks like precisely what we want to do.
I cant try it yet until we get another network card for our router, but I cant imagine it will vary too much from what you have written.
Again, thanks for your help.
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