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Originally Posted by hacker supreme
If I reboot ubuntu then the connection is connected for the same brief time as before. If I restart XP then it also reconnects but only lasts the same 3 minutes.
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That's a head scratcher! The only thing I can think of that would happen when
either computer is rebooted is the two NICs negotiating with each other again. And I am not sure that even happens if you don't power cycle. I wonder if the XP rebooting could induce some kind of re-initialization of the Ubuntu driver. I don't know the answer. I am just thinking out loud here.
This is if the two computers are directly connected together (to my knowledge). If they are connected through a hub, there is a remote possibility something has gone flacky with the hub. (See my live CD suggestion below.)
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My Ethernet is NOT firewalled on XP. I'm not entirely sure about the firewall status on hte Ubuntu machine.
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There are three (potential) tables in the linux firewall. You can list the contents with theses commands:
Code:
sudo iptables -nvL
sudo iptables -t nat -nvL
sudo iptables -t mangle -nvL
You are unlikely to have any entries in the
mangle table.You can clear all of the entries and allow everything to pass in the filter and nat tables with:
Code:
sudo iptables -P INPUT ACCEPT
sudo iptables -P OUTPUT ACCEPT
sudo iptables -P FORWARD ACCEPT
sudo iptables -t nat -P PREROUTING ACCEPT
sudo iptables -t nat -P POSTROUTING ACCEPT
sudo iptables -t nat-P OUTPUT ACCEPT
sudo iptables -F
sudo iptables -t nat -F
I
believe these changes will not survive a reboot (I have not run Ubuntu -- yet).
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BTW: I would rather not re-install the old version of Ubuntu.
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I can understand that!
That is why I phrased it the way I did. But I have since thought of another, less painful alternative that might yeild some useful data. If you have a live CD of 5.10, you could try it and see if it exhibits the same problem. If you don't have this, a live CD of any other distro still might yield something interesting.
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Incidentally, which part of the system log do you want posted?
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I wasn't so much wanting you to post as suggesting you look through them to see if there something that sounds like it might be related. I would think if there are such entries, they would occur around the time that things went from functional to non-functional.
