Tag: ospf router types

OSPF (Open Shortest Path First)

ospf-routing-protocol

What is OSPF? OSPF (Open Shortest Path First) is an open source dynamic routing protocol based on Link State Routing Algorithm for IP Networks. It has a Protocol Type/Class which is based on IP/Link-State. OSPF uses an Algorithm called SPF (Dijkstra) to determine the shortest path. It is an IGP (Interior Gateway Protocol) Type of protocol and it uses Cost (Bandwidth) as its metric value. OSPF has 5 no. of packet types and has an Admin Distance of 110. It has a Reference Bandwidth of 108 and has a defined Standard of IETF RFC2328 (OSPFv2), IETF RFC2740 (OSPFv3/IPv6) for OSPF Read More …

OSPF Interview Questions & Answers

OSPF Interview Questions

What is OSPF? Open Shortest Path First is an open standard link state routing protocol which works by using Dijkastra’s SPF algorithm to find the shortest paths.   What is OSPF Router ID? OSPF Router ID is an identifier which is used to identify the Router. It is a 32-bit number.   How does a Router select its OSPF Router ID? Most of Routers (including Cisco) derive the Router ID in the following precedence order: Manually configured Router ID Highest Loopback Address Highest Physical IP Address on the Router   What are OSPF Timer (Intervals)? Below are OSPF Intervals: OSPF Read More …

OSPF Study Notes Cheatsheet – Part 1

OSPF CheatSheet Part1 for Cisco CCNA

                Also check our free Online Quizzes on all IT topics and CCNA, CCNP, CCIE including new Python Automation Programming. Free Online Quizzes (Best for Cisco CCNA, CCNP, CCIE, Huawei HCNA, N+, JNCIA, Nokia NRS,… ) You can also view free study notes (Cheat sheets) on all IT and Cisco CCNA/CCNP/CCIE topics for long term memory: Networkwalks Summary Cheatsheets Follow our Facebook Page & YouTube Channel for more updated Cheatsheets & Quizzes: