Week 5
Routing Table Trainer
Read compact, IOS-indented show ip route output — longest prefix match, administrative distance tiebreaks, and gateway-of-last-resort fallback. Study mode confirms your answer before revealing a concise explanation; exam mode grades a 15/30/50-question run.
Looking for the Part 1 gate assessment?Ready for the Part 1 checkpoint?
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Route code legend
- C
- Connected — Directly attached network
- L
- Local — Router interface address (/32)
- S
- Static — Static route (AD 1)
- S*
- Default static — Gateway of last resort (0.0.0.0/0)
- D
- EIGRP — Internal EIGRP route (AD 90)
- R
- RIP — RIP route (AD 120)
- O
- OSPF intra-area — OSPF route (AD 110)
- O IA
- OSPF inter-area — OSPF summary route (AD 110)
- O E2
- OSPF external — Type-2 external OSPF route (AD 110)
Decision order
1. Longest prefix match
2. Lowest administrative distance
3. Lowest metric
4. Default route (0.0.0.0/0) if nothing else matches