Scenario:
After passing the CCNA exam you feel like you could do anything with NAT. You just started at a new job as a junior network engineer but to your surprise the router you are working on doesn’t have any “inside” or “outside” commands. It does create a NVI interface but you have no idea what it is…let’s see if you can configure NAT anyway…
Goal:
- All IP addresses have been preconfigured for you.
- Configure NAT so hosts on network 192.168.12.0 /24 are translated to network 192.168.23.0 /24.
- You are not allowed to use the “ip nat inside” or “ip nat outside” command.
IOS:
c3640-jk9s-mz.124-16.bin
Topology:
Video Solution:
Configuration Files
You need to register to download the GNS3 topology file. (Registration is free!)Once you are logged in you will find the configuration files right here.
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Written by René Molenaar - CCIE #41726
Great Lab. Used to inside/outside. A nice different approach. Any advantage?
There are some differences/advantages to the NAT Virtual interface. There’s a great post by Petr Lapukhov on INE that I can recommend you to read:
http://blog.ine.com/2008/02/15/the-inside-and-outside-of-nat/
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Greetings from an Arabian Land
Ahmed