>It used to work fine.  Did someone break it?

>Perhaps it works with de but not tlp?

My bad....  The BNC interface does work.  
"ifconfig tlp0 manual" selects the bnc.

I do remember trying to use 10base2 many years ago and found that it did not work.
I do not remember whether I ever tried the 10base2 interface again.

djb