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I am setting up a cluster for my company, and I want to find out whether is it possible to have three or more network connections active on a machine running CentOS 6.

I have eth0 for the internal network, eth1 for public network access and InfiniBand setup for IBoIP. The problem is that the InfiniBand is using one of the ports for IBoIP.

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More of a question for ServerFault, I think. – Renan Apr 18 '12 at 21:53

Three is peanuts. Linux is capable of having hundreds of interfaces active.

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