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

David Dooley dpd at raffles-it.com
Wed Dec 13 18:02:36 GMT 2000

> > 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. Is there something else i need to 
do to pccardd

> > xe0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> >         inet6 fe80::280:c7ff:fed9:7495%xe0 prefixlen 64 scopeid 0xb 
> >         inet netmask 0xff000000 broadcast
> >         ether 00:80:c7:d9:74:95 
> >         media: autoselect (10baseT/UTP)
> >         supported media: autoselect 10baseT/UTP 100baseTX
> Are you sure you want an IP4 address of []? That may be your problem,
> rather than the lower level.
The hub it was plugged into is a 100MBit only hub so the ipaddress was not 
obtainable, hence []

> Ian.
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