On Thu, 2002-04-25 at 02:33, gabriel wrote:
> i've got two machines using to different ips connected to one hub, which is
> in turn connected to the cable modem.  the ips are _not_ on the same subnet,
> but nonetheless, _sometimes_ i get transfer speeds between the two boxes
> around 4MB/sec, other times, only 1MB, and others, only 60K...
> 
> the speeds seem to change at random and sometimes i get an ip conflict
> message popup in windows.
> 
> it seems that my problem is that sometimes the data goes this way:
>   linux box  >  hub  >  big, bad internet  >  hub  >  windows box
> 
> and sometimes my data goes this way:
>   linux box  >  hub  >  windows box
> 
> how do i make sure that the latter is the only thing that happens?
> 

sounds like a routing issue.  It also sounds like you have two different
subnets on the same wire ( hub makes no difference)  by default the
networking setup is to have a route for the local subnet stright to the
interface and a default rout to a gateway for all other traffic.  I
think you could add a route an tell the boxes that the other subnets are
on the same interface as the local subnet.

what does route -n show and ifconfig on each box.  That would help
troubleshooting this.

Now I have to ask.  Is there a good reason that you have two subnets on
the same lan without a router between them?  That is the basic cause of
the problem if I understand your setup.

Bret



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