Routing Protocols Comparison for CCNA 

I have always said I was going to make this chart since I draw it on the board for nearly every CCNA class I teach.  Well, here it is.  I may add to it later.

Name
Class
Type
Administrative Distance
Metric
Classful/less
Algorithm
Transport Type

RIP v1
Distance Vector
IGP
120
Hop Count
Classful
Bellman-Ford
UDP/520

RIP v2
Distance Vector
IGP
120
Hop Count
Classless
Bellman-Ford
UDP/520

OSPF
Link State
IGP
110
Cost
Classless
Dikstra (SPF)
OSPF protocol 89

Integrated IS-IS
Link State
IGP
115
Cost
Classless
Dikstra (SPF)

EIGRP
Hybrid (Advanced Distance Vector)
IGP…

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I have had many classes where students have asked me for a simple chart that I write on the whiteboard when covering the routing protocols.  I finally put it to paper and am providing it here.  I hope some of you find it useful.

Name
Class
Type
Administrative Distance
Metric
Classful/less
Algorithm

RIP v1
Distance Vector
IGP
120
Hop Count
Classful
Bellman-Ford

RIP v2
Distance Vector
IGP
120
Hop Count
Classless
Bellman-Ford

OSPF
Link State
IGP
110
Cost
Classless
Dikstra (SPF)

Integrated IS-IS
Link State
IGP
115
Cost
Classless
Dikstra (SPF)

EIGRP
Hybrid (Advanced Distance Vector)
IGP
90 (internal)
170…

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In some popular online forums people have been talking about how the number of candidates that have passed the CCIE Security since the new version is very low, almost non-existant.  While there may be issues with the lab itself, a claim on commenter made, I wonder how much of this is related to a lack in understanding of core knowledge concepts.  See, as an instructor its easy to get into the trap of knowing all the technical details of how something works because you teach it so often and yet you lack in practical configurations.  This is something I have…

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Cisco Aironet Antennas and Accessories Reference Guide  [Cisco Aironet Antennas and Accessories] – Cisco Systems
Those of you studying wireless may find this to be a useful guide!
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Postbox
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An interesting read from my Perspective. You may not find this one very interesting unless you plan on writing something.
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Cisco IOS hints and tricks: Disable flapping BGP neighbors
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