On Sat, Apr 18, 2009 at 03:03:25AM +0800, Edwin Lee wrote:
> However, i just installed Jaunty RC (AMD64), and i couldn't get an
> address via DHCP. So it seems. Ethernet and DHCP is supposed to be
> pretty agnostic, so i don't see why a different version or different
> arch would give problems. So it could be problem interfacing with the
> Ethernet card itself? However... doing an ifconfig, i can see that
> eth0 gets detected, and its HWaddr (MAC) is correct. But, of course,
> there is no inet addr.
0] make sure that eth0 = the correct interface that you plugged into by
looking at dmesg output before and after plugging in the ethernet.
1] install tcpdump and start a packet capture
sudo /usr/sbin/tcpdump -n -i eth0 -s 0 -w /tmp/packets.pcap
While the capture is running, restart your dhcp client. After that
fails, stop the capture (CTRL-C or sudo killall tcpdump) and post it
online someplace where we can review it.
2] review packet capture with wireshark:
http://wireshark.org/download.html
When we have the file, we can review the capture as well and see where
things are going awry.
Patrick
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