December 2006
Intermediate to advanced
1188 pages
72h 8m
English
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Translating in Both Directions Simultaneously
Problem
You want to translate both internal and external addresses.
Solution
In some cases, you might need to translate IP addresses on both sides of your router:
Router#configure terminalEnter configuration commands, one per line. End with CNTL/Z. Router(config)#access-list15denyRouter(config)#192.168.1.15access-list15permitRouter(config)#192.168.0.0 0.0.255.255access-list16denyRouter(config)#172.16.5.25access-list16permitRouter(config)#172.16.0.0 0.0.255.255ip nat poolNATPOOL 172.16.1.100 172.16.1.150netmaskRouter(config)#255.255.255.0ip nat poolINBOUNDNAT 192.168.15.100 192.168.15.200netmaskRouter(config)#255.255.255.0ip nat inside source list15poolNATPOOLoverloadRouter(config)#ip nat inside source list16poolINBOUNDNAToverloadRouter(config)#ip nat inside source staticRouter(config)#192.168.1.15 172.16.1.10ip nat outside source staticRouter(config)#172.16.5.25 192.168.15.5ip route192.168.15.0 255.255.255.0EthernetRouter(config)#0/0interfaceRouter(config-if)#FastEthernet 0/0ip addressRouter(config-if)#192.168.1.1 255.255.255.0ip nat insideRouter(config-if)#exitRouter(config)#interfaceRouter(config-if)#FastEthernet 0/1ip addressRouter(config-if)#192.168.2.1 255.255.255.0ip nat insideRouter(config-if)#interfaceRouter(config-if)#Ethernet0/0ip addressRouter(config-if)#172.16.1.2 255.255.255.0ip nat outsideRouter(config-if)#exitRouter(config)#endRouter#
Discussion
Sometimes you need to ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.