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Linux - Networking This forum is for any issue related to networks or networking.
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Old 07-26-2003, 08:17 PM   #1
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Registered: Jul 2003
Location: Indiana-US
Distribution: Red Hat 9.0 (Pink Tie)
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TCP/IP Stack on Linux?

I've been struggling with this networking trouble for many days now, and I've recieved information from some pretty smart guys stating where my problem is, I hope maybe one of you might be able to give me the part about fixing it. My issue is that I have a Microsoft Base Station Router, with a RH9 Linux Box hooked into it via straight ethernet cable. I can't figure out whats wrong with the thing, at first I was told it was a TCP/IP Stack, but that was from so me Microsoft dude and he doesn't know about linux. At any rate after messing around with it, I eventually could ping after flushing the iptables and ipconfig the lo. Still, however, no ping on the it'd really help if I could talk to someone about this, maybe via IRC or something of that sort.
Old 07-26-2003, 09:56 PM   #2
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I think I might make a page for this and post it somewhere or if someone wants to add it to there networking problem page, but after 12hrs, I fixed this problem. After 10hrs I realized that the NIC card was broken, so luckily I had a back up, after installing the back-up I let the DHCP go at it with the base station, then I had to let the base station fire wall down, ran dhclient from a terminal, and then after the dns server was acquired, the POS Microsoft Base Station allowed me access through the firewall, and I put its firewall back up. yay.
Old 07-27-2003, 06:20 PM   #3
Registered: Mar 2003
Distribution: Debian
Posts: 275

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After 10hrs I realized that the NIC card was broken

Don't you hate that. Sometimes it is really hard to tell, especially if you don't have other machines to test it with. Been there, done that, probably do it again tomorrow

I don't know how you figured it out, but for future reference, a good think to look at is the Received (RX) Bytes by running 'ifconfig'. If it doesn't increase (stays at zero) you probably have a cable problem, nothing else on the network, or a bad card. It is good to have a backup for everything.

Another thing, is to run 'ethereal'. It is a graphical packet capture program that decodes practically everything. Try running it on a working, non loaded network to get a feel for it. It can really help you understand what is going on at the wire level. It is not newbie software and it takes lots time and thought to understand, but once you get it, it's a life saver. It's the first thing I use to figure out what's wrong with anything network related (including windows.)

at first I was told it was a TCP/IP Stack

Doubtful, but possible if microsoft is doing something weird/non standard. The rep. probably wanted you off the phone . It happens, especially if they don't know/support what you're using (linux).

Have fun,


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