🚀 go-pugleaf

How does one disable the ethernet port so that broadcasts do not get sent
out the ethernet port.  I am runing dialupip and have the slip0 interface
configured well.  The eternet will be a subnet eventualy but not now.
The problem I have is that in the routing table there is an entry for
en0 as well as slip0 and lo, the loopback.  If I manualy  delete
the en0 route mail works well.  If I dont delete that line then mail
hosts that have the same first two octets in thier internet address 
as mine can not establish a connection with my mail.  All those
connections are replied to along the ethernet port... and go into the ether.
I have a default gateway set up pointing to the router that I have a slip
link to.  Also If I delete the en0 route from the table then I get very
slow response on any operation that uses the NetInfo databases.  

Is there a way around this dilema?  Does any of this sound remotely familiar?

Guy
gthomas@native-ed.bc.ca