[Gllug] Connecting a second Ethernet link (1 Gbps) between two servers

John Winters john at sinodun.org.uk
Sun Jan 20 18:23:19 UTC 2008


At home I have a 100 mbit Ethernet network with various things connected 
to it all over the place.

I've just realised that my two servers (one a file server and the other 
of which does some fairly compute-intensive processing) each have two 1 
Gbps Ethernet ports, so I could connect them together directly with a 
crossover lead.  I might want to do this, because the compute server 
wants to be able to do quite a lot of filing as well.

What's the most sensible way to do it?  My first thought is simply to 
give each end of the new connection a new IP address, but then I foresee 
endless fiddling to make sure that when one accesses the other it uses 
the right address for the fast connection.

Is there a simpler way of doing this, which will ensure that all traffic 
between the two servers uses the 1 Gbps direct link, whilst all other 
traffic to or from them goes over the general network?

TIA,
John
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