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Friday 9 February 2018

OSPF LSA


LSA in OSPF

The link-state advertisement (LSA) is a basic communication means of the OSPF routingprotocol for the Internet Protocol (IP). It communicates the router's local routingtopology to all other local routers in the same OSPF area.


RE: OSPF LSA Types
  • LSA Type 1: Router LSA.
  • LSA Type 2: Network LSA.
  • LSA Type 3: Summary LSA.
  • LSA Type 4: Summary ASBR LSA.
  • LSA Type 5: Autonomous system external LSA.
  • LSA Type 6: Multicast OSPF LSA.
  • LSA Type 7: Not-so-stubby area LSA.
  • LSA Type 8: External attribute LSA for BGP.
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