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Monday, 14 May 2012

Box with a new MAC address can't connect to the internet


i replaced one of my UNIX machines last week, the old box had an external IP address before. Everything is the same as the previous box and the only difference is the new one has a different MAC address (of course, since the mother boards are different). The problem is the new machine can't get on the internet and I was wondering if I someone could help me with that.

I checked the firewall rule on the main firewall machine but it doesn't have anything listed about that old box and its IP address. The box doesn't have a private address (192.x.x.x) and I'm not sure if/where the IT company which installed that for me long ago had the previous MAC address added somewhere.

I assigned the same IP to this new box, so I assume everything should work but it cannot connect to the internet.

Can someone please help me with this?


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