#NEWLINE# def __init__( self , type_ , length = None , router_id = '0.0.0.0' , area_id = '0.0.0.0' , au_type = 1 , authentication = 0 , checksum = None , version = _VERSION ) : #NEWLINE# #INDENT# self . version = version #NEWLINE# self . type_ = type_ #NEWLINE# self . length = length #NEWLINE# self . router_id = router_id #NEWLINE# self . area_id = area_id #NEWLINE# self . checksum = checksum #NEWLINE# self . au_type = au_type #NEWLINE# self . authentication = self