becker at scyld.com
Wed Jan 16 11:03:07 PST 2002
On Tue, 15 Jan 2002, Chris Harwell wrote:
> a little off topic.
This should be on the eepro100 at scyld.com list.
> i'm having alot of carrier errors on a eth2: Intel Corporation 82557
> [Ethernet Pro 100] for the head node connection to the outside world.
What driver version? What is the detection message?
> trying to search for information on carrier errors is proving difficult.
It's pretty rare, and the problem is almost always a duplex mismatch.
> does anyone know a defintion for them and/or where to look for more info?
Bad cables or a broken link partner are the first places to check.
> eth2 Link encap:Ethernet HWaddr 00:03:47:73:8C:A0
> RX packets:7805917 errors:0 dropped:0 overruns:0 frame:0
> TX packets:8046787 errors:0 dropped:0 overruns:8 carrier:19182
> collisions:23104 txqueuelen:100
Hmmm, this is likely reporting out-of-window collisions.
You are half duplex mode (from the non-zero collision count).
Check that your link partner is also in half duplex mode. If on a
repeater, check all connected devices are in half duplex mode.
Donald Becker becker at scyld.com
Scyld Computing Corporation http://www.scyld.com
410 Severn Ave. Suite 210 Second Generation Beowulf Clusters
Annapolis MD 21403 410-990-9993
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