Welcome back!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 [...]

[Read more →]

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 [...]

[Read more →]

In my IPv6 Class this week we get to touch a number of IPv6 topics.  We have already discussed the Basics of IPv6, Routing Protocols, and QoS features.  Aside from tunneling, which we cover on Thursday, one of the topics that I am most facinated with (being a CCIE Security) is of course….wait for it……Security!  [...]

[Read more →]