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Old 09-14-2004, 02:11 PM   #1
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e0 will Rx, but not Tx...e1 works fine

Hi all,

I have a board running redhat 9, kernel 2.4.20-(?). It has an intel pro1000 (82546eb) ethernet controller that has 2 copper gigabit ports. Both ports initialize fine, but e0 wont transmit at all. When I try to ping e0 from another computer on the network, it just sits...doesnt show the pings timing out. On e0, the Rx packet counter increases, but tx does not.

When I try to ping from e0 to somewhere on the network, a message comes up saying "connect: network is unreachable"

The cable and switch have both been tested and are good.

ethtool shows the port as connected at 1000/full

(ethtool wont let me force the port to anything. when i change any settings through ethtool, the port goes down, then comes back up with the same settings as before)

Whats wierd is how e1 works just fine. And I don't think its a hardware issue because I have an identical board that I have installed in the box that has the same problem.

Any ideas on what could be the problem?
Old 09-15-2004, 12:28 PM   #2
Registered: Mar 2003
Location: Scotland
Distribution: Slackware, RedHat, Debian
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Can you post the output from:
route -n
Old 09-15-2004, 01:13 PM   #3
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Registered: Aug 2004
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Thanks for the reply. I actually got the problem fixed. It had to do with a couple settings in the bios for multi-processor systems. I had to set the "Use MPTABLE" setting to NO and "MP spec" to 1.1

After I did that, I re-installed linux and the problem was no longer there.

Thanks again for the reply



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