Tag: lsa types in ospf

CCNA December 26, 2019

OSPF LSA Types – Exclusive Explanation

OSPF is a link-state routing protocol that is used to find the best path between the source and the destination. The SPF algorithm is used to determine the best path. OSPF enabled routers exchange LSAs to update and maintain LSDBs. LSAs act as database records and provide specific OSPF network details. Currently, 11 different types […]
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Illustration of OSPF packet flow between routers, highlighting Hello, DBD, LSR, LSU, and LSAck packets in an enterprise network topology.
CCNA August 31, 2019

Master OSPF Packets Type: Essential Knowledge for Cisco Certification (Updated 2025)

Open Shortest Path First (OSPF) is a powerful link-state routing protocol widely used in enterprise networks and a key topic for CCNA and CCNP certifications. OSPF relies on five distinct packet types to establish neighbor adjacencies, exchange routing information, and maintain a consistent Link-State Database (LSDB) across routers in an area. Understanding these OSPF packets—Hello, […]
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