Cisco NAT Translation Configuration Help Needed
Asked by: cpriest9774-ga
List Price: $50.00
20 Oct 2006 12:09 PDT
Expires: 19 Nov 2006 11:09 PST
Question ID: 775415
I have a cisco router with IOS v12.4 I have a pool of outside addresses which are statically nat'd to internal addresses, such as: ip nat inside source static 10.0.10.188 126.96.36.199 ip nat inside source static 10.0.10.189 188.8.131.52 ip nat inside source static 10.0.10.190 184.108.40.206 I also have a few static entries for DNS to statically nat to another internal address such as: ip nat inside source static udp 10.0.1.20 53 220.127.116.11 53 extendable ip nat inside source static udp 10.0.1.20 53 18.104.22.168 53 extendable ip nat inside source static udp 10.0.1.20 53 22.214.171.124 53 extendable Presently I only have a few of the external DNS entries nat'd internally to the one machine however I would like to have all external port 53's on the 200.200.200.x network nat'd internally to 10.0.1.20. I'd like to do this without having to have 255 additional static nat entries for each of the port 53's. I believe that using a route-map and pools is the way to do it however I have not been able to come up with a working configuration. I need you to come up with a working configuration which will allow me to statically nat all UDP/53 ports on the external side to the single internal address w/o having 255 ip inside source static entries.
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Re: Cisco NAT Translation Configuration Help Needed
From: slimjim100-ga on 31 Oct 2006 15:37 PST
You can go to Cisco.com and search for the Cisco COnfig maker. I think It can handel what you are asking. Basicly you need to have a wild card mask on the IP's
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