The Hello packet establishes and maintains adjacencies. The Hello carries parameters on which neighbors must agree in order to form an adjacency. | e A C H K H O A Networking Academy 11111111 CISCO BSCI Module 3 Lesson 2 - Review of OSPF Operation BSCI 2008 Cisco Systems Inc. All rights reserved. Cisco Confidential 1 CCNP - BSCI Bachkhoa Networking Academy Objective OSPF Packet Types OSPF Packet Header Format Establishing OSPF Neighbor Adjacencies Exchanging and Synchronizing LSDBs Discovering the Network Routes Maintaining Network Routes G Maintaining Link-State Sequence Numbers Verifying Packet Flow BSCI 2008 Cisco Systems Inc. All rights reserved. Học viện mạng Bách Khoa - 2 CCNP - BSCI Bachkhoa Networking Academy OSPF Packet Formats All OSPF packets begin with a 24-octet header The OSPF packet header. BSCI
