Mailinglist Archive: opensuse (4547 mails)

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Re: [SLE] No gateway for local addresses
  • From: Vince Littler <suse@xxxxxxxxxxxxxxxxxxxxxxxxx>
  • Date: Mon, 31 May 2004 19:48:21 +0100
  • Message-id: <200405311948.21934@xxxxxxxxxxxxxxxxxxxxxxxxxx>
On Monday 31 May 2004 1:42 pm, Sergio Dominguez wrote:
> Hi all,
> I guess this is a very basic question, but I do not get anything googling.
> I have several linux machines here in my office, and I'd like that all
> sorts of connection amongst these machines do not pass through the general
> gateway, but go directly from one to the other.
> How can I do that?
> Thanks,
> Sergio

Assumption: There is a physical path between all machines that does not go
through the general gateway [or if it does, it goes in and out of the LAN
side of the gateway without passing between the LAN and the WAN sides of the

If this is the case, then your setup most probably already meets your
requirement. Google on 'netmask' and 'subnet' and 'IP address'.

Basically all tcp/ip nodes are routers, even if they have only 1 network
interface. S can route to D if:

IP(S) [bitwise AND] netmask(S) = IP(D) [bitwise AND] netmask(S)

Similar requirement for D to route back to S. Of course they must be on the
same media, with or without hubs.


Vince Littler

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