-# For the Linux tun/tap device $INTERFACE is set to the right name,
-# but for ethertap and FreeBSD this is tap0, tap1, tap2 etcetera,
-# for Solaris and OpenBSD it is tun0, tun1, etcetera.
-
-# Set hardware ethernet address, needed on Linux when in router mode
-ifconfig $INTERFACE hw ether fe:fd:0:0:0:0
+# The environment variable $INTERFACE is set to the right name
+# on most platforms, but if it doesn't work try to set it manually.