Ccna Eigrp Lab Question

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CCNA EIGRP LAB QuestionJuly 1st, 2011 Go to comments

Question

After adding R3 router, no routing updates are being exchanged between R3 and the new location. Allother inter connectivity and Internet access for the existing locations of the company are workingproperly.

The task is to identify the fault(s) and correct the router configuration to provide full connectivity betweenthe routers.

Access to the router CLI can be gained by clicking on the appropriate host. All passwords on all routersare cisco.

IP addresses are listed in the chart below.

R1

Fa0/0: 192.168.77.33

S1/0: 198.0.18.6

S0/1: 192.168.60.25

S0/0: 192.168.36.13

R2

Fa0/0: 192.168.60.97

Fa0/1: 192.168.60.113

S0/0: 192.168.36.14

CCNA Training CCNA EIGRP LAB Question http://www.9tut.com/64-ccna-eigrp-lab-question

1 de 13 17/06/2013 19:54

R3

Fa0/0: 192.168.77.34

Fa0/1: 192.168.60.65

Fa1/0: 192.168.60.81

R4

Fa0/0: 192.168.60.129

Fa0/1: 192.168.60.145

S0/1: 192.168.60.26

Answer and explanation

(Note: If you are not sure how EIGRP works, please read my EIGRP tutorial: http://www.9tut.com/eigrp-routing-protocol-tutorial. Note: You can download this sim to practice here: http://www.9tut.com/download/9tut.com_CCNA_EIGRP_sim_question.zip)

We should check the configuration of the new added router first because it does not function properlywhile others work well. From the command line interface of R3 router, enter the show running-configcommand

From the output above, we know that this router was wrongly configured with an autonomous number(AS) of 22. When the AS numbers among routers are mismatched, no adjacency is formed.(You should check the AS numbers on other routers for sure)

To solve this problem, we simply re-configure router R3 with the following commands:

R3>enable (you have to enter cisco as its password here)

R3#configure terminal

R3(config)#no router eigrp 22

R3(config)#router eigrp 212


2 de 13 17/06/2013 19:54

R3(config-router)#network 192.168.60.0


R3(config-router)#no auto-summary

R3(config-router)#end

R3#copy running-config startup-config

Check R1 router with the show running-config command:

Notice that it is missing a definition to the network R3. Therefore we have to add it so that it canrecognize R3 router

R1>enable (you have to enter cisco as its password here)

R1#configure terminal

R1(config)#router eigrp 212


R1(config-router)#end

R1#copy running-config startup-config

Now the whole network will work well. You should check again with ping command from router R3 toother routers!

Modifications:

Maybe in this EIGRP Sim you will see the passive-interface command somewhere in R1configuration. If the link between R1 to R2 (or R3, r4) routers has the passive interface then we have toremove it with the no passive-interface command because it prevents EIGRP update from being senton that interface. But if the passive interface is applied to the link between R1 and ISP router then wejust leave it. Dont use the no passive-interface s1/0 on R1 because the link between R1 & ISPdoesnt need EIGRP to run on it. A static route from R1 to ISP & ip default-network command in R1are the correct answers.

(Note: The ip default-network command in R1 will advertise the static route of R1 (to go to the


3 de 13 17/06/2013 19:54

Internet) to other routers (R2,R3,R4) so that they can access the Internet too). In the exam you will seethese lines in R1 configuration:

!ip default-network 198.0.18.0ip route 0.0.0.0 0.0.0.0 198.0.18.5!

If you want to learn more about ip default-network command please read: http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094374.shtml

I read recent comments and realized that you will see the passive-interface in the link between R1 &ISP so just leave it.Other lab-sims on this site:

CCNA Access List Sim

CCNA NAT SIM Question 1

CCNA NAT SIM Question 2

CCNA Frame Relay Sim

CCNA Configuration SIM Question (RIPv2 SIM)

CCNA VTP SIM

CCNA Drag and Drop SIM

CCNA Implementation SIM

CommentsComment pages Previous 1 51 52 53 29

to AhmadMay 22nd, 2013

slm can u tell me about the question u had ,regard samir. slm

1.


hi Sam did u get same labs???

2.


i mean ,eigrp,acl,???

3.

AdrianMay 23rd, 2013

4.


4 de 13 17/06/2013 19:54

Taken the exam today. Labs ACL2, EIGRP, VTP. Thanks to all the community and good luck futuretest takers!

moa123May 23rd, 2013

guys i heard the exam of ccan will be change first of JUNE any idea .. u can contact me on skypemohauk-88

5.

VanhelsingMay 24th, 2013

Dear All,

I cleared this exam on 21st of May. You only need to prepare spike with full understanding ofSubnetting. Labs were EIGRP, ACL2 and VTP. I prepared for this exam for whole 4 months andlistened complete CBT Nuggets of ICND1 & ICND2, Sekhar and Spike Dumps.

6.

Confused.May 24th, 2013

Hello I took exam and the exam on this sim is a lot different. I was so confused. Study and noconcepts because the way they have the sim is not really like the above layout.

7.

CaZaMay 24th, 2013

*notice that sometimes you MIGHT get an interface Administratively down, you should checkcarefully the status of interfaces specially on the new router added, use the: no shutdown

*Academy wont be available after After 30 June 2013 because new CCNA 200-201 coming outwhich concentrate on IPV6 if you are doing the 640-802 try finish it before en of October 2013.

*about new announcement of CISCO making a new version of EIGRP which will be compatible inall vendors!!!!! YES all vendors, BUT questions should be answered as EIGRP is cisco propriety asmentions in the curriculum. I think it will be changed on the new CCNA 200-201

* relax, dont panic and think, they will throw at you all kind of tricks so ready carefully, andremember you are going against the clock :)

PD: mentioned above are advices from teachers not all mentioned are my words, my exam is dueon the 27 of May, wish me best of luck!

8.

CaZaMay 24th, 2013

forgot to mention, 9tut.com really deserve donations so it keep going.we are all thankful for the great help 9tut does offer!

9.

TRMay 25th, 2013

Took the exam yesterday passed. Lab sims ACL2, VTP, EIGRP, Couldnt get the routers talking tothe ISP router in EIGRP sim, dont know why. But pretty much all the question were from 9tut.

10.


5 de 13 17/06/2013 19:54

With basic understanding of both the ICNDs and practicing through 9tut is the key, 95% questionsfrom 9tut. Best of luck to everyone who is taking the test ! And thanks 9tut.

SheshMay 27th, 2013

In the .pkt file attached, Router R1 is missing network 192.168.77.0. Pls add that to have thenetwork properly. Thanks

11.

SheshMay 27th, 2013

how did the exam go CaZa

12.

CaZaMay 27th, 2013

Done it 960/1000 :) thanks to 9tut.com and spike.

got EIGRP, ACL2 and VTP! (eigrp straight forward no complications)I wish you guys best of luck

13.

Md. Zakir HossenMay 28th, 2013

Alhamdulillah!!! I passed my CCNA last day (27 May 2013). The sim came out during exam wereVTP Sim, EIGRP Sim, and ACL Sim. Thx to 9tut.com and spike dump. Thx alot!!!!!!

14.

WaynerMay 28th, 2013

I think a colleague of mine and I figured out why I didnt get full credit for the EIGRP sim. I onlygot a 67% on this sim and did it exactly like the one here on 9tut but what I didnt do was to set thetwo ethernet ports to passive-interface on the router I was adding. On this forum there is alot ofdiscussion about not needing to worry about the interface connected to the ISP but I didnt payattention to the ethernet ports going directly to the host pcs. The router and the host pcs would notexchange routing information and therefore those interfaces need to be set to passive.

Hope that helps someone to get full credit, cant believe I missed that.

15.

antonisMay 29th, 2013

Are you sure we need to set these fastethernet ports into passive mode ?

16.

kramMay 29th, 2013

@ Wayner, another way to miss out on points even if you are spot on is if you dont copy Runningto Start config.

Always always during NA exams save running config or lose points.

17.

Samer18.


6 de 13 17/06/2013 19:54

May 29th, 2013

thnxxxxxx .. im really appreciated that ..

antonisMay 29th, 2013

So, do you think that we dont need to set the 2 fast ethernet interfaces into passive mod ein theEIGRP configuration ?

19.

moa123May 29th, 2013

@thxx kram .. guys tomorrow on 30-5 my exam .. any new idea about passive-interface or theexam will be like tut9 .

20.

AnonymousMay 31st, 2013

Passed today 947

thanks 9tut, labs were ACL2, VTP and EIGRP (only the AS has to be changed)

Thanks

21.

KhaledJune 1st, 2013

Hi guyz passed today with 986 spike dump & 9tut is spot on! Take a bow guyz! :)

Some changes you might face in the exam:

1. EIGRP: Dont worry too much only the AS number was changed & a wrong network in R1

2. VTP: Switch X was server, Switch C was client Configuration revision is higher in X.. So itwill replace all the existing VLANs of Switches

3. ACL2: Permit IP any any is correct even when public server IP add is provided.

4. Options arent in the same order as the dump.. so dont just memorise, try to understand it tooSome IP address might change

5. in some cases, Tab key doesnt work but ? does, So dont panick! just type it seeing theoptions..

its really easy guyz have solid prep & go for it Best of luck. :)

22.

Jose ZamoraJune 3rd, 2013

Hi guys!! Can someone share with me those spike dumps? I will take the test this 10th!! thanks!!! [email protected]

23.

shariqJune 3rd, 2013

24.


7 de 13 17/06/2013 19:54

Hi guys!! Can someone share with me those spike dumps? i will take the test on [email protected]

R/S noobJune 8th, 2013

You can get the spike dump from exam collection site.

25.

hussamJune 9th, 2013

hello everybody , i passed today in the ccna exam with 947/1000 .. thanks God3 question drag & drop and 3 sim question ( eigrp , acl2 , vtp )very easy but u must prepare well before u take the exam

26.

capstoneJune 10th, 2013

Hey Guys, the lab i see here dates back to last year. Is it still valid?

27.

hh86June 10th, 2013

i think its easy but im so worry from Acl & Vtp could u help me please

28.

MikeJune 10th, 2013

Can someone please tell me why i cant open the sim files.It keeps saying not compatible with the version of packet tracer.I installed 5.1 , 5.2 , and 5.3

please help

29.

hartJune 10th, 2013

hi guys,Can anyone send me the spike dumps? [email protected]

Thank you!

30.

@ MikeJune 11th, 2013

I have the ame issue and i am running PT v5.3

31.

RobertJune 13th, 2013

Hi Everyone.

May we know what is the real answer in the question stated below:

- Which of the following is a characteristic of full-duplex communication?

32.


8 de 13 17/06/2013 19:54

A. It is a CSMAICD networkB. It is a CSMAICA networkC. It is point-to-point networkD. Hub commucication is done via full duplex

Is the answer in real exam C or D?Please help me on this. Thanks guys in advance :)

bamJune 13th, 2013

@robert the answer is d.

33.

Sridhar Kumar NJune 13th, 2013

Hi all, I have passed the exam today[894/1000]. Want to thanks 9tut very highly and AbhishekTutor, Todd, Spike a lot..

use 9tut only last 2days before exam. sure u can score 1000/1000. if dedicated.

34.

ChrisJune 14th, 2013

Guys why is the wildcard card mask not used on with eigrp network statements. Why is it using theclassful network? Should I just do it 9tuts way on the ccna?

35.

AnonymousJune 14th, 2013

Just confirm me, if we revise the question of 9tut, it will be easy to succeed the test?Understand and study the question,practise is a good method?

We dont have the time to analyse the question. Just be sure.

(It take a long time just to read the 2book and after that study)

36.

AnonymousJune 15th, 2013

Please, can you give me an answer?

37.

ray ban new wayfarerJune 16th, 2013

whoah this blog is fantastic i like reading your articles. Keep up the good paintings! Youunderstand, a lot of people are hunting round for this info, you could aid them greatly. ray ban newwayfarer http://rayban-newwayfarer.blogspot.com

38.

DheeJune 16th, 2013

@Robert and @Bam, The Hub runs at Half-duplex only and There are exactly two stationsconnected with a full-duplex point-to-point link. Since there is no contention for use of a shared

39.


9 de 13 17/06/2013 19:54

medium, the multiple access algorithms (i.e., Carrier Sense with Multiple Access and CollisionDetect, or CSMA/CD) are unnecessary

So, The answer is C

luuJune 16th, 2013

The sim is not working with PT 5.3.2.0027Invalid File is not compatible with this version of Packet Tracer.

Any ideas?

40.

9tutJune 16th, 2013

@luu: Please use Packet Tracer v5.3.3.0019 or above to open it.

41.

DaveJune 16th, 2013

Can anybody tell me how many lab sims questions are there in CCNA test? Is it the only EIGRPlab sim question here? Thanks!!

42.

9tutJune 17th, 2013

@Dave: You can read more sims here: http://www.9tut.com/category/ccna-lab-sim

43.

DaveJune 17th, 2013

@9tut: Perfect, thanks!

44.

RichtoeJune 17th, 2013

After adding -R1(config-router)#network 192.168.77.0

There isnt a no auot-summary why is that?

45.

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