Introduction

The IP protocol & routing, IP addressing, subnetting, VLSMs, Distance Vector vs. Link state protocols.History of OSPF, OSPF overview, OSPF features, The OSPF MIB, OSPF on demand.

OSPF within and area

Link state protocols, operation. The Link state database, LSA types, network types, The SPF algorithm, producing the routing table. The need for areas, area design, virtual links, Intra area routing vs. Inter area routing, Router types, Router types, LSA types, area 0, transit areas, stub areas, TSSA's, NSSA's, design guidelines.

VLSMs

Using VLSMs to provide more efficient address allocation, route summarisation.

Redistribution

Multiple routing protocols, routing distance, metrics, redistribution. Type E1 and E2.

Configuring OSPF

Global parameters, area parameters, Neighbours, Other parameters, authentication.

OSPF Packet Formats

Packet flows, The OSPF header, Hello, DRs, adjacencies, Database description packet, Link state request, the flooding protocol, Link state acknowledgements, Link state updates.

OSPF Over Frame Relay

BMA, NBMA, Point to point links.

MOSPF

Multicasting overview, IGMP, Type 6 LSAs, MOSPF forwarding cache.