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Re: Directly connecting two computers



On Sunday 27 April 2014 08:41:47 Alex Mestiashvili wrote:
> On 04/26/2014 08:56 PM, Richard Hector wrote:
> > On 27/04/14 05:36, Martin wrote:
> >> Hello,
> >> 
> >> I have two computer that I want to connect directly, similarly as I did
> >> long time ago with Null-Modem cable ( or LapLink cable).
> >> 
> >> I have obtained a crossover ethernet cable that I plug in network card
> >> of each computer. Now the problem is how to configure eth0 on both
> >> computer so they can communicate.
> >> 
> >> In /etc/hosts on both computers I have
> >> 192.168.231.2   neolit
> >> 192.168.231.3   paleolit
> > 
> > All good so far.
> > 
> >> On one computer I have this entry in /etc/network/interfaces
> >> auto eth0
> >> iface eth0 inet static
> >> 
> >>      address 192.168.231.3
> >>      pointopoint 192.168.231.2
> >>      netmask 255.255.255.255
> > 
> > I don't know if pointopoint can work with ethernet cards, but anyway
> > there's no need for it.
> 
> The netmask is obviously wrong.#
For pointopoint this is correct netmask.

David
> 
> point-to-point is 31 bit - the last octet of the netmask  is 254.
> 
> if the op wants to have a smallest possible subnetwork than he can go
> with 30 bit - 255.255.255.254.
> 
> Regards,
> Alex


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