Routing Protocols Overview

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What algorithm does OSPF use for shortest path calculation?

Bellman-Ford algorithm
A* search algorithm
Kruskal's algorithm
Dijkstra algorithm (correct)

What does OSPF primarily enable within a specific routing domain?

Mixed protocol operation
Inter-domain routing
Multipath routing (correct)
Distance-vector routing

Which version of OSPF is designed specifically for IPv4 networks?

OSPFv2 (correct)
OSPFv1
OSPFv3
OSPF-IPv4

What type of routing protocol is BGP classified as?

Path-vector protocol (D) Signup and view all the answers

Which protocol is described as a hybrid protocol that combines distance-vector and link-state features?

EIGRP (B) Signup and view all the answers

Which protocol has largely replaced IGRP due to its efficiency?

EIGRP (D) Signup and view all the answers

Which routing protocol emerged from the IS-IS routing protocol of the OSI reference model?

OSPF (A) Signup and view all the answers

What functionality does OSPFv3 support that allows it to work with both IPv4 and IPv6?

Address Families (C) Signup and view all the answers

What is the primary function of routing protocols?

To determine the best path for forwarding packets (C) Signup and view all the answers

Which of the following protocols is an example of a link-state protocol?

OSPF (D) Signup and view all the answers

What characteristic differentiates distance vector protocols from link-state protocols?

They use the number of hops as a routing metric (C) Signup and view all the answers

Which protocol is classified as a hybrid routing protocol?

EIGRP (A) Signup and view all the answers

What is the maximum number of hops allowed by RIP before a route is considered infinite?

15 hops (A) Signup and view all the answers

When do routing updates occur in RIP?

Every 30 seconds (A) Signup and view all the answers

What does BGP stand for and what type of protocol is it?

Border Gateway Protocol, an exterior gateway protocol (D) Signup and view all the answers

What function does EIGRP serve in networking?

It combines features of both link-state and distance vector protocols. (B) Signup and view all the answers

Study Notes

Routing Protocols

Routing protocols are sets of rules used by routers to determine the best path for
Enable routers to communicate with each other.
Allow routers to share information about the network topology.
Enable dynamic adjustments to routing tables based on current network conditions.

Interior Gateway Protocols (IGPs)

Link-State Protocols
- OSPF (Open Shortest Path First) is a link-state routing protocol used for medium to large networks.
- IS-IS (Intermediate System to Intermediate System) is a link-state protocol similar to OSPF but more often used in large ISP networks.
Distance-Vector Protocols
- RIP (Routing Information Protocol) is a distance-vector protocol utilizing hop count as a routing metric, best suited for small networks.
- IGRP (Interior Gateway Routing Protocol) is a distance-vector protocol, predecessor to EIGRP (Cisco proprietary), less common, largely replaced by EIGRP
Hybrid Protocols
- EIGRP (Enhanced Interior Gateway Routing Protocol) is a Cisco proprietary hybrid protocol that combines distance-vector and link-state features. More efficient than RIP and suitable for large networks.

Exterior Gateway Protocols (EGPs)

Path Vector Protocols
- BGP (Border Gateway Protocol) is the backbone protocol of the internet, primarily used for routing between different autonomous systems.

Specific Protocol Details

RIP (Routing Information Protocol)
- A distance-vector protocol utilizing hop count as a routing metric.
- Maximum of 15 hops.
- Suitable for small networks.
- Routing updates transmitted every 30 seconds.
OSPF (Open Shortest Path First)
- Link-state protocol using Dijkstra’s algorithm for shortest path calculation.
- Implemented in both IPv4 (OSPFv2) and IPv6 (OSPFv3) versions.
- Uses various metrics including dependability, bandwidth, latency, load, and MTU for optimal routing.
EIGRP (Enhanced Interior Gateway Routing Protocol)
- Hybrid protocol combining distance-vector and link-state features for efficient routing on large networks.
IS-IS (Intermediate System to Intermediate System)
- Link-state protocol, similar to OSPF but primarily used in large ISP networks.
BGP (Border Gateway Protocol)
- Path-vector protocol responsible for internet routing across autonomous systems.

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Description

This quiz covers the fundamentals of routing protocols, focusing on their role in network communication and the distinction between link-state and distance-vector protocols. Users will learn about key protocols like OSPF, IS-IS, RIP, and IGRP. Test your knowledge on these vital components of networking!