Tuesday, November 29, 2016

CCNAv3 Completed Packet Tracer 8.2.3.5

Greetings, and welcome to Seeseenayy.
You are visiting one of our many posts about packet tracer activities!

This post contains the answers to the 
CCNA3 Packet Tracer '8.2.3.5'

<will edit a picture in later, for some reason blogger keeps breaking when it uploads>


(above image is a preview of the packet tracer)

This post is split into two parts.
1. The download link of the completed packet tracer, and sometimes completed, or uncompleted PDFs or other files.


2. Tutorial. A text guide on how the packet tracer was completed, command-by-commandstep-by-step.

To view this post, and discover the answers to this activity, click on the following link if you have not done so already.


Downloads / Information
You may find the download to this packet tracer, or any other related file, directly below:


Tutorial
Below are the following commands to solve this packet tracer, as well as a minor explanation as to why we use these commands.

R1 RT CONFIGURATION
This router (R1) has one critical- and noticable- error; it has an incorrect router id for EIGRP's configuration, so it's essentially unconfigured. We need to negate the incorrect ID (as shown in the commands), configure the network summary addresses into EIGRP, and turn off automatic summization. 

R1>en
R1#conf t
R1(config)#no router eigrp 11
R1(config)#router eigrp 1
R1(config-router)#passive-int g0/0
R1(config-router)#network 172.31.40.232 0.0.0.3
R1(config-router)#network 172.31.40.224 0.0.0.3
R1(config-router)#network 172.31.10.0 0.0.0.255
R1(config-router)#no auto-sum
R1(config-router)#ex
R1(config)#


R2 RT CONFIGURATION
This router (R2) is basically missing a network address, and otherwise is configured for working use of EIGRP.

R2>en
R2#conf t
R2(config)#router eigrp 1
R2(config-router)#network 172.31.40.228 0.0.0.3
R2(config-router)#ex


R3 RT CONFIGURATION
Auto summarization, a default behaivor in EIGRP and it's configured routers, preforms this summization when it crosses onto a different major network. For example, 172.16.1.0/24 going to 10.1.1.0/24 will be sent out as 10.0.0.0/8. This feature is only utilized if there are at least two major networks (of which are locally advertised). 

Why do we disable it-- or even use it? Well, in a nutshell, if you use this feature it will automatically create summarized routes, which can be good in some instances, but more often than not, it is suggested to disable the command to prevent configurations we DON'T want (network summary addresses in our tables) from existing. 

R3>en
R3#conf t
R3(config)#router eigrp 1
R3(config-router)#no auto-summary 
R3(config-router)#ex

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