Hello: Identifies neighbors and serves as a keepalive.
Link State Request (LSR): Request for a Link State Update (LSU). Contains the type of LSU requested and the ID of the router requesting it.
Database Description (DBD): A summary of the LSDB, including the RID and sequence number of each LSA in the LSDB.
Link State Update (LSU): Contains a full LSA entry. An LSA includes topology information; for example, the RID of this router and the RID and cost to each neighbor. One LSU can contain multiple LSAs.
Link State Acknowledgment (LSAck): Acknowledges all other OSPF packets (except Hellos).
Link State Request (LSR): Request for a Link State Update (LSU). Contains the type of LSU requested and the ID of the router requesting it.
Database Description (DBD): A summary of the LSDB, including the RID and sequence number of each LSA in the LSDB.
Link State Update (LSU): Contains a full LSA entry. An LSA includes topology information; for example, the RID of this router and the RID and cost to each neighbor. One LSU can contain multiple LSAs.
Link State Acknowledgment (LSAck): Acknowledges all other OSPF packets (except Hellos).
No comments:
Post a Comment