Sharing wireless internet connection between 2 Ubuntu 10.04 systems using cross-over cable

Posted by Gary on Super User See other posts from Super User or by Gary
Published on 2010-07-08T10:44:22Z Indexed on 2012/04/01 23:33 UTC
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I have a Lenovo T60 with Ubuntu 10.04 connected with a cross-over cable to a Dell Vostro 1400, also running Ubuntu 10.04. My internet is coming into the Lenovo through an external wireless antennae, and I want to share the internet with the Dell.

On the Lenovo: eth0 connection has IPv4 Settings 'Shared to other computers' I can ping the Dell (10.42.43.10) successfully I can use mtr to trace to www.google.com successfully

On the Dell: eth0 connection has IPv4 Settings 'Automatic DHCP' I can ping the Lenovo (10.42.43.1) successfully when I use mtr to trace to www.google.com, I can only reach 10.42.43.1

I must be missing some setting, but cannot see what it is; can anyone help me?

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