# Virtual Interface Configuration
{
    my $OUT='';
    my $protocol = ${'openvpn-bridge'}{protocol} || 'udp';
    my $port='';
    if ($protocol eq 'udp'){
        $port = ${'openvpn-bridge'}{UDPPort} || '1194';	
    }
    if ($protocol eq 'tcp'){
        $port = ${'openvpn-bridge'}{TCPPort} || '1194';
        $protocol = 'tcp-server';
    }
    my $tapIf = ${'openvpn-bridge'}{tapIf} || 'tap0';

$OUT .=<<"HERE";

port $port
proto $protocol
dev $tapIf

HERE

}