Labs/Catalog/OSPF Mastery
Skill track

OSPF Mastery

Every OSPF/OSPFv3 lab across CCNA→CCIE — single-area to multi-area, LSAs, stubs, virtual links, and authentication.

Track metadata
Labs86
Sections2
Est. time57h
Your progress0 / 86 passed
Gradingserver-side

OSPF Fundamentals

20 labs
  1. 01OSPF Router-ID from Highest Loopbackeasy · 25 minready
  2. 02OSPF Cost and Reference-Bandwidth Tuningmedium · 25 minready
  3. 03OSPF DR/BDR Election by Prioritymedium · 30 minready
  4. 04OSPF Single Area — Three Routersmedium · 35 minready
  5. 05Troubleshoot: OSPF Adjacency Down (Passive Transit Link)medium · 30 minready
  6. 06OSPF Hello/Dead Timer Matchmedium · 30 minready
  7. 07Troubleshoot OSPF Hello-Parameter Mismatchmedium · 35 minready
  8. 08OSPF Single-Area Convergence (4 Routers)medium · 35 minready
  9. 09OSPF Path Selection by Interface Costmedium · 30 minready
  10. 10OSPF Point-to-Point Network Typemedium · 30 minready
  11. 11Troubleshoot OSPF Adjacency Down (Passive Transit)medium · 30 minready
  12. 12Troubleshoot: OSPF Transit Link Left Passivemedium · 30 minready
  13. 13OSPF Router-ID, Loopback, and Passive Interfacemedium · 35 minready
  14. 14OSPFv2 Single Area Adjacency and Routesmedium · 30 minready
  15. 15OSPF Path Manipulation by Interface Costmedium · 30 minready
  16. 16Troubleshoot: OSPF Adjacency Down on a Transit Linkmedium · 30 minready
  17. 17Troubleshoot: OSPF Wrong network / area Statementmedium · 35 minready
  18. 18ENARSI TS: OSPF Area Mismatch on the Transit Linkmedium · 35 minready
  19. 19ENARSI TS: OSPF Passive Interface on the Transit Linkmedium · 30 minready
  20. 20ENARSI TS: OSPF Area Mismatch on the Transitmedium · 30 minready

Advanced OSPF

66 labs
  1. 01OSPFv3 Router-ID Stability (IPv6)easy · 25 minready
  2. 02OSPF Default-Route Originationmedium · 30 minready
  3. 03OSPF Passive-Interface and Injected Defaultmedium · 35 minready
  4. 04Multi-Area OSPF and Inter-Area Routesmedium · 40 minready
  5. 05OSPF LSA Types Walk-through (1/2/3/5)medium · 40 minready
  6. 06OSPF Interface MD5 Authenticationmedium · 30 minready
  7. 07OSPFv3 Single-Area Adjacency (IPv6)medium · 30 minready
  8. 08OSPFv3 Multi-Area ABR (IPv6)medium · 35 minready
  9. 09OSPFv3 Cost-Based Path Selection (IPv6)medium · 30 minready
  10. 10TS: OSPFv3 Area Mismatch (IPv6)medium · 25 minready
  11. 11TS: OSPFv3 Interface Not Enabled (IPv6)medium · 25 minready
  12. 12ENARSI OSPF: Inter-Area Route Advertisementmedium · 30 minready
  13. 13OSPF Multi-Area with an ABRmedium · 35 minready
  14. 14OSPFv3 for IPv6medium · 30 minready
  15. 15OSPF Stub Areamedium · 30 minready
  16. 16OSPF Totally-Stubby Areamedium · 30 minready
  17. 17OSPF MD5 Authenticationmedium · 30 minready
  18. 18Capstone TS: OSPF Area Mismatch in a Multi-Router Pathhard · 40 minready
  19. 19Capstone TS: One-Way Redistribution Gap at the Boundaryhard · 45 minready
  20. 20Capstone TS: ACL Blocking the Server Tierhard · 40 minready
  21. 21Route Selection by Administrative Distancehard · 35 minready
  22. 22Mutual OSPF ↔ EIGRP Redistribution with Loop Preventionhard · 50 minready
  23. 23OSPF NSSA with N2 Externalshard · 45 minready
  24. 24OSPF Virtual Link to Rejoin a Partitioned Backbonehard · 45 minready
  25. 25Troubleshoot: OSPF Hello / MTU Parameter Mismatchhard · 35 minready
  26. 26Mutual EIGRP ↔ OSPF Redistribution with a Route-Map Filterhard · 50 minready
  27. 27Redistribution Loop Prevention with Route Tagshard · 55 minready
  28. 28Redistributing Connected & Static with Metric-Type Controlhard · 45 minready
  29. 29Route-Map with Multiple Match / Set Clauseshard · 55 minready
  30. 30Prefix-List Filtering on Redistribution (Ranged le)hard · 45 minready
  31. 31Administrative-Distance Arbitration Between Redistribution Sourceshard · 50 minready
  32. 32Troubleshooting: Redistribution Blocked by a Route-Map Denyhard · 40 minready
  33. 33ENARSI TS: OSPF Wrong network Statement (Route Missing)hard · 35 minready
  34. 34ENARSI TS: Missing Redistribution at the Boundaryhard · 40 minready
  35. 35ENARSI Redistribution TS: External Dropped by Route-Map Denyhard · 40 minready
  36. 36ENARSI Redistribution TS: Loop Guard Drops a Legit Routehard · 45 minready
  37. 37ENARSI Redistribution TS: Wrong-AD Path Installedhard · 50 minready
  38. 38ENARSI Mixed TS: BGP-into-OSPF Edge Not Redistributinghard · 50 minready
  39. 39OSPF + EIGRP Dual-Protocol Domain (Redistribution Boundary)hard · 45 minready
  40. 40OSPF ABR Summarization + Reachability to the Supernethard · 35 minready
  41. 41Multi-Area OSPF Stub Area + Reachability Acrosshard · 35 minready
  42. 42OSPF Core + eBGP Edge (Redistribution Both Ways)hard · 50 minready
  43. 43TS: One-Way Redistribution Boundary (External Missing)hard · 40 minready
  44. 44TS: Discontiguous OSPF Backbone (Virtual Link)hard · 45 minready
  45. 45ENARSI TS: One-Way Redistribution Gap (OSPF into EIGRP)hard · 40 minready
  46. 46OSPF Inter-Area Summarization (area range)hard · 35 minready
  47. 47OSPF Path Selection by Cost across Two Areashard · 35 minready
  48. 484-Router Multi-Area OSPF Convergencehard · 45 minready
  49. 49OSPF NSSA — Type-7 Externals and ABR Translationhard · 40 minready
  50. 50Redistribute EIGRP into OSPF (O E2 Externals)hard · 35 minready
  51. 51Redistribute OSPF into EIGRP (D EX Externals)hard · 35 minready
  52. 52Selective Redistribution with a Route-Map Prefix Filterhard · 45 minready
  53. 53OSPF Route Filtering at the Redistribution Pointhard · 40 minready
  54. 54Redistribute Static with Metric, Metric-Type, and Taghard · 35 minready
  55. 55OSPFv3 Multi-Area (IPv6): O and O IAhard · 35 minready
  56. 56OSPFv3 (IPv6): Router-ID and Interface Enablementhard · 30 minready
  57. 57Dual-Stack OSPFv2 + OSPFv3hard · 35 minready
  58. 58OSPF Virtual Link Across a Transit Areahard · 45 minready
  59. 59OSPF 5-Router Multi-Area Convergencehard · 45 minready
  60. 60Mutual Redistribution with Tag-Based Loop Preventionhard · 45 minready
  61. 61Multi-Protocol Edge: OSPF Core + eBGP + Redistributionhard · 50 minready
  62. 62Capstone: Enterprise Routed Core — OSPF + EIGRP + Redistribution + NATexpert · 90 minready
  63. 63Capstone: WAN + Services — OSPF WAN, NAT, HSRP, Managementexpert · 95 minready
  64. 64Capstone: Dual-Datacenter OSPF Multi-Area + BGP Interconnect + VRRPexpert · 95 minready
  65. 65Capstone: Campus MST + RPVST + EtherChannel + L3 Core (OSPF/HSRP)expert · 95 minready
  66. 66Capstone TS: End-to-End Enterprise Path — Two Faultsexpert · 50 minready