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OSPFv2 AS-External-LSA (ospfv2_external_lsa)

  • Layer: L3 (network)
  • Header: 16 octets (fixed)

Reached from

Lower layerSelectorValue
ospfv2_lsals_type5 (0x05)
ospfv2_lsals_type7 (0x07)

Fields

FieldTypeDefaultAutoDescription
network_maskipv4255.255.255.0Network mask of the interface or advertised network.
e_bituint(1)1External metric type (1 = type 2, 0 = type 1).
reserveduint(7)0
metricuint(24)20Cost of the route.
forwarding_addressipv40.0.0.0Address traffic for the destination is forwarded to (0.0.0.0 = the ASBR).
external_route_taguint(32)032-bit tag carried with the external route.

Sample templates