void CCCHL2::writeHighSide(const GSM::L3Frame& l3)
{
	OBJLOG(DEEPDEBUG) <<"CCCHL2::writeHighSide " << l3;
	assert(mDownstream);
	//assert(l3.primitive()==UNIT_DATA);
	L2Header header(L2Length(l3.length()));
	mDownstream->writeHighSide(L2Frame(header,l3));
}