Slow ethernet connection - Intel EtherExpress PRO/100
Oliver Grawert
hostmaster at grawert.net
Mon Oct 18 11:34:07 UTC 2004
hi,
Am Montag, den 18.10.2004, 03:02 +0000 schrieb Frank Merenda:
> Hello all,
>
> I have a Toshiba Tecra 8200, the network card is an Intel EtherExpress PRO/100.
> I can connect to my network just fine, but my network connection is SLOW.... I
> am trying to transfer files over my home network, connected with Ethernet, and
> my transfer speeds are well below 100K/second (rough measurement via file size
> transferred). The network monitor applet shows occasional lines, and that is
> all. My other machines and this machine before Ubuntu would transfer data much
> quicker. lsmod | grep 100 shows that the eepro100 and the e100 modules are
> loaded. there is also a line that says
>
> mii 4864 2 eepro100,e100
>
> but I don't know what that means.
this is caused by an ancient bug in the e100, eepro100 cards with
certain switches/hubs (if i remember right, 3com was a major candidate
here).
the card should autonegotiate the medium, but doesn't do this right, so
you are left with a 10 Mbit half duplex line.
try in a terminal:
sudo mii-tool
(with your pw)
and look what it says...
ciao
oli
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