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Old 11-21-2005, 04:36 PM   #1
Registered: Oct 2005
Location: in my room
Distribution: slackware
Posts: 51

Rep: Reputation: 15
Dhcp says eth0 hw address is ff:ff:ff:ff:ff:ff

I am having trouble connecting to my router (or the internet) via my SIS900 onboard lan port, dhcp gathers the ip address etc, but i cannot ping my router or any computers attached to it. I have tested the cable/slot on another pc and it works ok. the sis900 module is running as are all the required services. I have tryed setting the configuration info up manually and still it wont work.

the output of ifconfig says


i thought that was a bit odd.

please help
Old 11-21-2005, 05:01 PM   #2
Registered: Oct 2005
Location: in my room
Distribution: slackware
Posts: 51

Original Poster
Rep: Reputation: 15
sorry answered my own question

sorry i RTFM and found

ifconfig eth0 hw ether 0A:FF:FF:00:00

im a f00l
Old 06-26-2013, 05:22 PM   #3
LQ Newbie
Registered: May 2004
Location: Vancouver, BC
Distribution: FC14
Posts: 16

Rep: Reputation: 2
I know this thread is very old, but I wasn't having much luck fixing this searching for an answer and this was the first hit on google for "HW Address: ff:ff:ff:ff:ff:ff".

For anyone else running into the "ff:ff:ff:ff:ff:ff" network card issue (in my case the Asus NX1101/RTL8169SC under Fedora 17), I tried a different PCI slot and that resolved the issue.

Even re-seating the PCI card may fix the issue.


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