Routing Tables and OSPF Basics
What you must be able to do by the end of this week is listed below. Complete lessons, labs, interactive tools, and the assessment checkpoint.
Read routing tables fluently and configure single-area OSPFv2
5 study days · ~9h 15m total · most sessions target ~90 minutes
Key topics
Videos
- primaryJeremy's IT LabDuration TBDRouting Fundamentals (Day 11 part 1)
Further study
Interactive tools
Practice
Complete lesson: Reading show ip route — score 8/10 on trainer reading mode.
Quick review
Decode route codes C, S, O, and D at CCNA level (O only required for exam).
Week checkpoint
Pass Part 1 Final Gate — 15 routing-table scenarios including OSPF entries.
Suggested practice
Routing table gate at /tools/routing-table/gate
Week study guides
Week tools
Week objectives
- Interpret show ip route output
- Understand route codes, AD, and metrics
- Understand basic single-area OSPFv2
Lessons
Training videos
Jeremy's IT Lab lectures (also embedded in lessons) plus supplemental videos from the Free CCNA 200-301 course playlist. Watch in order or jump to the topic you are studying.
Lesson pages embed Jeremy's IT Lab videos inline. Supplemental David Bombal videos from the linked playlist appear here and in matching lessons — all credited to their respective channels.
Interactive tools
Labs & review
Labs
Lab content coming in Phase 2/3
Assessment
Quiz coming soon — original concept-based questions only.
Part 1 Final Gate
15 routing-table scenarios covering LPM, AD tiebreaks, and connected routes.




