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I have tried to make Linux(Ubuntu) as a router but it gets failed. My objective is to create a Linux router then have to share two broadband connection.So How to do it?

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migrated from stackoverflow.com Nov 13 '10 at 7:08

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2 Answers 2

The shortest answer: Look for a tutorial.

The short answer:

echo -n "1" > /proc/sys/net/ipv4/ip_forward
iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE

This question is probably better off next door at http://www.serverfault.com/.

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Docs at lartc.org contain this use case.

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