Remember OSPF
Full name: Open Shortest Path First
Memory aid: Open the map and choose the Shortest Path First.
OSPF is an interior gateway protocol, unlike interdomain BGP.
Study area: Protocols & logical ports · Batch 6
Relevant study for: CompTIA A+ Core 1 220-1201 · CompTIA Network+ N10-009 · CompTIA Security+ SY0-701 · Cisco CCNA 200-301 · ISC2 CISSP 2024 outline
Practice with exam flashcards →Networking & Connectivity / Knowledge library
OSPF — Open Shortest Path First
Routes within an autonomous system using link-state information.
Why learn OSPF — Open Shortest Path First?
Routes within an autonomous system using link-state information.
Where it came from
OSPF is an interior gateway protocol, unlike interdomain BGP.
- Memory aid (a learning cue, not the expansion): Open the map and choose the Shortest Path First.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand OSPF: Open Shortest Path First.
- Recall this memory aid: Open the map and choose the Shortest Path First.
- Explain the practical use: Routes within an autonomous system using link-state information.
- Explain this distinction: OSPF is an interior gateway protocol, unlike interdomain BGP.
- Identify OSPF in a device specification, architecture diagram, or system inventory.
Documentation and sources
- IETF RFC 2328 (www.rfc-editor.org)