Class: PacketGen::Header::OSPFv3::LSARouter

Inherits:
LSAHeader
  • Object
show all
Defined in:
lib/packetgen/header/ospfv3/lsa.rb

Overview

This class handles OSPFv3 LSA Router payloads.

A LSA router payload is composed of:

Author:

  • Sylvain Daubert

Since:

  • 2.5.0

Constant Summary

Constants inherited from LSAHeader

PacketGen::Header::OSPFv3::LSAHeader::TYPES

Instance Attribute Summary collapse

Attributes inherited from LSAHeader

#advertising_router, #age, #checksum, #length, #link_state_id, #sequence_number, #type

Method Summary

Methods inherited from LSAHeader

#calc_checksum, #calc_length, #human_type, #to_human, #to_lsa_header

Instance Attribute Details

#b_flag ⇒ Integer

If set, router is an area border router.

Returns:

  • (Integer) 


94
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 94

define_bit_attr :flags, zz: 3, nt_flag: 1, x_flag: 1, v_flag: 1, e_flag: 1, b_flag: 1

#dc_opt ⇒ Integer

This bit describes the router’s handling of demand circuits.

Returns:

  • (Integer) 


96
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 96

OSPFv3.define_options(self)

#e_flag ⇒ Integer

If set, router is an AS boundary router.

Returns:

  • (Integer) 


94
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 94

define_bit_attr :flags, zz: 3, nt_flag: 1, x_flag: 1, v_flag: 1, e_flag: 1, b_flag: 1

#e_opt ⇒ Integer

This bit describes the way AS-external-LSAs are flooded.

Returns:

  • (Integer) 


96
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 96

OSPFv3.define_options(self)

#flags ⇒ Integer

8-bit flag word

Returns:

  • (Integer) 


94
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 94

define_bit_attr :flags, zz: 3, nt_flag: 1, x_flag: 1, v_flag: 1, e_flag: 1, b_flag: 1

#links ⇒ ArrayOfLink

Router interfaces, as a list of PacketGen::Header::OSPFv3::Link objects.

Returns:



100
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 100

define_attr :links, ArrayOfLink, builder: ->(h, t) { t.new(length_from: -> { h.length - h.offset_of(:links) }) }

#n_opt ⇒ Integer

This bit indicates whether or not the router is attached to an NSSA.

Returns:

  • (Integer) 


96
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 96

OSPFv3.define_options(self)

#nt_flag ⇒ Integer

If set, the router is an NSSA border router that is translating NSSA-LSAs into AS-external-LSAs.

Returns:

  • (Integer) 


94
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 94

define_bit_attr :flags, zz: 3, nt_flag: 1, x_flag: 1, v_flag: 1, e_flag: 1, b_flag: 1

#options ⇒ Integer

24-bit options field. Handle #v6_opt, #e_opt, #x_opt, #n_opt, #r_opt and #dc_opt.

Returns:

  • (Integer) 


96
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 96

OSPFv3.define_options(self)

#r_opt ⇒ Integer

This bit indicates whether the originator is an active router.

Returns:

  • (Integer) 


96
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 96

OSPFv3.define_options(self)

#v6_opt ⇒ Integer

If this bit is clear, the router/link should be excluded from IPv6 routing calculations.

Returns:

  • (Integer) 


96
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 96

OSPFv3.define_options(self)

#v_flag ⇒ Integer

If set, router is an endpoint or one or many fully adjacent virtual links.

Returns:

  • (Integer) 


94
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 94

define_bit_attr :flags, zz: 3, nt_flag: 1, x_flag: 1, v_flag: 1, e_flag: 1, b_flag: 1

#x_opt ⇒ Integer

This bit should be set to 0, and ignored when received.

Returns:

  • (Integer) 


96
 
# File 'lib/packetgen/header/ospfv3/lsa.rb', line 96

OSPFv3.define_options(self)