Text 2487, 54 rader
Skriven 2011-03-25 11:36:38 av Bob Plyler
Ärende: Re: Linux is stealing the internet from eCS...
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comp.os.os2.networking.tcp-ip:182
From: Bob Plyler <rplyler@no.spam.us.ibm.com>

Pierre Jelenc wrote:
> I have just set up a Linux machine running Ubuntu 10.10/Gnome (that's the 
> way it came, I haven't even attempted to modify anything.) It plugs into 
> port #2 of a Netopia router, while the eCS machine uses port #1. It seems 
> that almost as soon as I do something via the internet on the Linux 
> machine, it disables completely internet access from the eCS one: http, 
> ssh, telnet, ftp all time out with no explanation, while things look OK on 
> the Linux side.
> 
> To get eCS back on line, I must not only unplug the cable from the Linux 
> box, but reboot the router as well.
> 
> I have an old Mac laptop that I used to use together with the same eCS 
> machine and the same router without any problem, so it's not just having 
> two computers going through the router that causes the trouble. Also, when 
> the eCS side becomes disabled, it appears to be disabled at the computer 
> itself, because I cannot even reach the router via its web interface: such 
> an attempt times out, even though there's no traffic beyond the router.
> 
> I have swapped the cables at the router ports (there are 4 ports, and I 
> tried several combinations of all of them) and rebooted everything but 
> that does not help.
> 
> One peculiar thing is that both computers claim to be at 192.168.1.105 
> (from ifconfig lan0/eth0) which would point to a competition, but why 
> would they both get the same address? Why 105 rather than 100 or 101? Why 
> does Linux always seem to win regardless of whether it is plugged in port 
> #1 or #2, or whether it is not even plugged in until well after eCS has 
> already grabbed 192.168.1.105 and been shown to connect without problem?
> 
> If this is the cause of the problem (rather than a symptom) I should be 
> able to force an address via ifconfig, but should I do it on both 
> machines, and how much should I specify? The syntax of ifconfig has so 
> many parameters!
> 
> Thanks,
> 
> Pierre

What is giving out the DHCP addresses?  It sounds like it's messed
up.

You could set one (eCS or Linux) of them to a static address.

Bob Plyler

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