Xircom 10/100 Network Card and 3Com 10/100 Base-TX

Jonathan Perkin sketchy at netcraft.com
Wed Dec 13 19:12:47 GMT 2000

On Wed, Dec 13, 2000 at 06:02:36PM +0000, David Dooley wrote:

> > > I have a problem with a Xircom 10/100 CE3 network card, in that I
> > > cannot get it to drive at 100Mbit works OK at 10Mbit. I have what
> > > claims to be a 10/100Base-TX adapter cable that I belive should
> > > support the 100Mbit networking. I have my network plugged into a
> > > 100Mbit hub port. I get the following from ifconfig:
> > 
> > Have you tried forcing the card into 100baseTX mode, rather than
> > letting it negotiate with the hub? The negotiation isn't 100%
> > guaranteed, and you might even have to take it further and
> > force-configure the hub too. 
> The card appears to work correctly under windows, auto-configures it's
> self for 100MBit. I haven't a clue how to do this under FreeBSD, can
> someone please tell me what I need to do to force 100Mbit.

A quick read of ifconfig(8) will tell you that you should:

# ifconfig xe0 inet x.x.x.x netmask 0xffffff00 media 100baseTX


ifconfig_xe0="inet x.x.x.x netmask 0xffffff00 media 100baseTX"

in your rc.conf to force it into this mode at bootup.

Cheers, Jon.

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