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Old 11th March 2007, 21:07
martinfst martinfst is offline
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Sorry I meant eth0:0.
The lo entry is for 127.0.0.x.

You can have / should have multiple IP's on the eth0 interface. That's where the systems communicate on. localhost is ONLY used inside a system. Thus it's not possible to talk to an external system over lo interfaces.
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