--- lib/PXElator/server.pm	2010/09/17 17:18:30	527
+++ lib/PXElator/server.pm	2010/09/17 17:31:54	528
@@ -21,6 +21,7 @@
 if ( my $dev = $ENV{DEV} ) {
 	my $ifconfig = `ifconfig $dev`;
 	die "can't ifconfig $dev" unless $ifconfig;
+	die "device $dev not up: ifconfig $dev\n$ifconfig" unless $ifconfig =~ m/UP/;
 	$ip      = $1 if $ifconfig =~ m/inet addr:(\S+)/s;
 	$netmask = $1 if $ifconfig =~ m/Mask:(\S+)/s;
 	$bcast   = $1 if $ifconfig =~ m/Bcast:(\S)/s;