Module 3
OSPF in One Area
Neighbour, database, calculation. The sequence, then three labs where one stage of it is missing.
5 activities~79 min
In this module
- Name the three stages between two routers meeting and a route appearing
- Read an adjacency state and say what it rules out
- Advertise a LAN into OSPF without forming adjacencies on it
- Originate a default route into an OSPF domain
Activities
Lesson
How OSPF builds a routing table
What each router learns, and why it has to learn all of it.
12 min
Lab
OSPF single-area
Two routers, one area, from nothing.
20 min
Lab
OSPF passive user LAN
Advertise a LAN into the area without inviting adjacencies onto it.
20 min
Lab
OSPF default route
One router that knows the way out, telling everyone else.
20 min
Quiz
Knowledge check - OSPF
Six questions on adjacency, the database, areas and cost.
7 min
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Curriculum topics
Each topic page lists every lesson, quiz and hands-on lab that covers it, plus how it maps onto the CCNA and Network+ blueprints.