Subject: Re: Help enabling PCI ethernet card, tlp0
To: Rafal Boni <>
From: Steven M. Bellovin <>
List: netbsd-users
Date: 12/14/2002 13:43:34
In message <>, R
afal Boni writes:
>In message <>, you write: 
>-> --- Manuel Bouyer <> wrote:
>-> > Maybe you can try to force the media ?
>-> > ifconfig tlp0 media 10baseT
>-> This worked.  The status of the interface changes to active, and I can 
>-> pull an address from the dhcp server.  However, when I try to force
>-> 100BaseTX, it also reports that the interface is active, but it's 
>-> unable to connect to the AirPort.  Any ideas why one should work,
>-> but not the other?
>Probably because the Airport supports only 10BaseT and not 100BaseT, and
>when you force one end of the interface (your Tulip card in this case), 
>the other end of the link needs to be in the same "forced" state for the
>two ends to be able to communicate because forcing media generally dis-
>ables autonegotiation.

That was my first thought, especially since I have a 10BaseT-only 
Lucent "Residential Gateway", which is a clone of the Airport.  But a 
check of Apple's Web page shows that the newer Airports do support 

		--Steve Bellovin, (me) (2nd edition of "Firewalls" book)