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Provides a review of routing technologies such as Distance Vector, and Balanced Hybrid. The article covers CCNA cram notes

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route Distance Vector link state route protocol Cisco CCNA Exam Distance Vector route link state protocol route protocol types network

Provides a review of routing technologies such as Distance Vector, and Balanced Hybrid. The article covers CCNA cram notes

About simexams

Working on Learning Management System at simexams.com

route Distance Vector link state route protocol Cisco CCNA Exam Distance Vector route link state protocol route protocol types network

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Cisco  CCNA Exam Cram Notes : Routing protocol types
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2. Routing protocol types
There are broadly three types of routing protocols:
1. Distance Vector (Number of hops): Distance vector routing determines the direction (vector) and distance to
any link in the inter-network. Typically, the smaller the metric, the better the path. Examples of distance vector
protocols are RIP and IGRP. Distance vector routing is useful for smaller networks. The limitation is that any route
which is greater than 15 hops is considered unreachable. One important thing that differentiates distance vector
with Link state is that distance vector listens to second hand information to learn routing tables whereas, Link state
builds its routing tables from first hand information. Distance vector algorithms call for each router to send its entire
routing table to each of its adjacent neighbors.
2. Link State Routing: Link State algorithms are also known as Shortest Path First (SPF) algorithms. SPF recreates
the exact topology of the entire network for route computation by listening at the first hand information. Link State
takes bandwidth into account using a cost metric. Link State protocols only send updates when a change occurs,
which makes them more attractive for larger networks. Bandwidth and delay are the most heavily weighed parts of
the metric when using Link-State protocols. EX: OSPF and NLSP.
Benefits of Link State protocols:
Allows for a larger scalable network
Reduces convergence time
Allows "supernetting"
3. Balanced Hybrid: Balanced Hybrid combines some aspects of Link State and Distance Vector routing protocols.
Balanced Hybrid uses distance vectors with more accurate metrics to determine the best paths to destination
networks. EX: EIGRP.
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III. Routing Technologies
Previous    Contents    Next
CCNA Cram Notes Contents
I. Networking Fundamentals
II. Cisco IOS
III. Routing Technologies
1. Routed and Routing Protocol
2. Routing protocol types
3. Static and Default route
4. Floating static route
5. Distance vector and link-state routing protocols
6. Interior and Exterior routing protocols
7. OSPFv2 for IPv4
IV. LAN Switching Technologies
V. WAN Technologies
VI. Network Access
VII. IP connectivity and Services
VIII. Security Fundamentals
IX. Automation and Programmability
X. Appendix
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