beaker said:

>I'm trying to figure out why the  SunFastEthernet-1.0 (bigmac/be0) card I
>just bought won't run in 100baseTX mode. It appears to get detected
>correctly and boots up in 100baseTX mode, but pings to the outside world
>don't resolve. Bringing the interface down, switching to "media
>10baseT", and bringing it back up solves the problem. If I repeat the
>process back to "media 100baseTX", the LED on my network switch does this
>weird flickering like it doesn't know whats plugged into it and 'ifconfig be0'
>shows "status: no carrier".

Sounds like your switch has problems with 100TX half-duplex.

-- 
Rick Kelly  rmk@rmkhome.com  www.rmkhome.com