old_contents: # $Id$
  
  """Multi-threaded Routing Toolkit."""
  
  import dpkt
  
  # Multi-threaded Routing Toolkit
  # http://www.ietf.org/internet-drafts/draft-ietf-grow-mrt-03.txt
  
  # MRT Types
  NULL			= 0
  START			= 1
  DIE			= 2
  I_AM_DEAD		= 3
  PEER_DOWN		= 4
  BGP			= 5	# Deprecated by BGP4MP
  RIP			= 6
  IDRP			= 7
  RIPNG			= 8
  BGP4PLUS		= 9	# Deprecated by BGP4MP
  BGP4PLUS_01		= 10	# Deprecated by BGP4MP
  OSPF			= 11
  TABLE_DUMP		= 12
  BGP4MP			= 16
  BGP4MP_ET		= 17
  ISIS			= 32
  ISIS_ET			= 33
  OSPF_ET			= 64
  
  # BGP4MP Subtypes
  BGP4MP_STATE_CHANGE	= 0
  BGP4MP_MESSAGE		= 1
  BGP4MP_ENTRY		= 2
  BGP4MP_SNAPSHOT		= 3
  BGP4MP_MESSAGE_32BIT_AS	= 4
  
  # Address Family Types
  AFI_IPv4		= 1
  AFI_IPv6		= 2
  
  class MRTHeader(dpkt.Packet):
      __hdr__ = (
          ('ts', 'I', 0),
          ('type', 'H', 0),
          ('subtype', 'H', 0),
          ('len', 'I', 0)
          )
  
  class BGP4MPMessage(dpkt.Packet):
      __hdr__ = (
          ('src_as', 'H', 0),
          ('dst_as', 'H', 0),
          ('intf', 'H', 0),
          ('family', 'H', AFI_IPv4),
          ('src_ip', 'I', 0),
          ('dst_ip', 'I', 0)
          )
  
new_contents: # $Id$
  
  """Multi-threaded Routing Toolkit."""
  
  import dpkt
  
  # Multi-threaded Routing Toolkit
  # http://www.ietf.org/internet-drafts/draft-ietf-grow-mrt-03.txt
  
  # MRT Types
  NULL			= 0
  START			= 1
  DIE			= 2
  I_AM_DEAD		= 3
  PEER_DOWN		= 4
  BGP			= 5	# Deprecated by BGP4MP
  RIP			= 6
  IDRP			= 7
  RIPNG			= 8
  BGP4PLUS		= 9	# Deprecated by BGP4MP
  BGP4PLUS_01		= 10	# Deprecated by BGP4MP
  OSPF			= 11
  TABLE_DUMP		= 12
  BGP4MP			= 16
  BGP4MP_ET		= 17
  ISIS			= 32
  ISIS_ET			= 33
  OSPF_ET			= 64
  
  # BGP4MP Subtypes
  BGP4MP_STATE_CHANGE	= 0
  BGP4MP_MESSAGE		= 1
  BGP4MP_ENTRY		= 2
  BGP4MP_SNAPSHOT		= 3
  BGP4MP_MESSAGE_32BIT_AS	= 4
  
  # Address Family Types
  AFI_IPv4		= 1
  AFI_IPv6		= 2
  
  class MRTHeader(dpkt.Packet):
      __hdr__ = (
          ('ts', 'I', 0),
          ('type', 'H', 0),
          ('subtype', 'H', 0),
          ('len', 'I', 0)
          )
  
  class BGP4MPMessage(dpkt.Packet):
      __hdr__ = (
          ('src_as', 'H', 0),
          ('dst_as', 'H', 0),
          ('intf', 'H', 0),
          ('family', 'H', AFI_IPv4),
          ('src_ip', 'I', 0),
          ('dst_ip', 'I', 0)
          )
  
  class BGP4MPMessage_32(dpkt.Packet):
      __hdr__ = (
          ('src_as', 'I', 0),
          ('dst_as', 'I', 0),
          ('intf', 'H', 0),
          ('family', 'H', AFI_IPv4),
          ('src_ip', 'I', 0),
          ('dst_ip', 'I', 0)
          )
  
subject: add 32 bit AS support for MRT