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October 7th, 2014 Go to comments

Question

Refer to the topology. Your company has connected the routers R1, R2 and R3 with serial links. R2and R3 are connected to the switches SW1 and SW2, respectively. SW1 and SW2 are alsoconnected to the routers R4 and R5.

The EIGRP routing protocol is configured. You are required to troubleshoot and resolve the EIGRPissues between the various routers. Use the appropriate show commands to troubleshoot theissues.

Instead of posting the output of show run commands we post here the commands entered oneach router to reduce some useless lines. Also you can try solving questions by yourself beforereading the answers.

int lo0 int lo0 int lo0

CCNA Training EIGRP Troubleshooting Sim http://www.9tut.com/eigrp-troubleshooting-sim#more-2252

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ip address 10.1.1.1255.255.255.255int e0/0ip address 192.168.16.1255.255.255.0int s1/1ip address 192.168.13.1255.255.255.0bandwidth 1000int s1/3ip address 192.168.12.1255.255.255.0!router eigrp 1network 192.168.12.0network 192.168.13.0network 192.168.16.0

ip address 10.2.2.2255.255.255.255int e0/0ip address 192.168.123.2255.255.255.0int s2/1ip address 192.168.12.2255.255.255.0!router eigrp 1network 10.2.2.2 0.0.0.0network 192.168.12.0network 192.168.123.0

ip address 10.3.3.3255.255.255.255int e0/0ip address 192.168.123.3255.255.255.0int s2/1ip address 192.168.13.3255.255.255.0!router eigrp 1network 10.3.3.3 0.0.0.0network 192.168.13.0network 192.168.123.0

int lo0ip address 10.4.4.4255.255.255.255int lo1ip address 10.4.4.5255.255.255.255int lo2ip address 10.4.4.6255.255.255.255int e0/0ip address 192.168.123.4255.255.255.0!router eigrp 2network 10.4.4.4 0.0.0.0network 10.4.4.5 0.0.0.0

int lo0ip address 10.5.5.5255.255.255.255int lo1ip address 10.5.5.55255.255.255.255int e0/0ip address 192.168.123.5255.255.255.0!router eigrp 1network 10.5.5.5 0.0.0.0network 10.5.5.55 0.0.0.0network 10.10.10.0 0.0.0.255network 192.168.123.0

int lo0ip address 10.6.6.6255.255.255.255int e0/0ip address 192.168.16.6255.255.255.0!router eigrp 1network 10.6.6.6 0.0.0.0


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network 10.4.4.6 0.0.0.0network 192.168.123.0

Note: In the exam, this sim uses IOS version 15 so no auto-summary is the default setting ofEIGRP. You dont have to type it.

You can download the pkt file to practice here: http://www.9tut.com/download/9tut.com_CCNA_EIGRP_Troubleshooting_Sim.pkt

Question 1

The loopback interfaces on R4 with the IP addresses of 10.4.4.4/32, 10.4.4.5/32 and 10.4.4.6/32are not appearing in the routing table of R5. Why are the interfaces missing?

A. The interfaces are shutdown, so they are not being advertised.B. R4 has been incorrectly configured to be in another AS, so it does not peer with R5.C. Automatic summarization is enabled, so only the 10.0.0.0 network is displayed.D. The loopback addresses havent been advertised, and the network command is missing on R4.

Answer: B

Explanation

On R4 we see EIGRP is configured with AS 2 (router eigrp 2) while other routers are using AS 1(router eigrp 1). Therefore R4 cannot see other routers and vice versa.

Question 2

Which path does traffic take from R1 to R5?

A. The traffic goes through R2.B. The traffic goes through R3.C. The traffic is equally load-balanced over R2 and R3.D. The traffic is unequally load-balanced over R2 and R3.

Answer: A


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Explanation

For this question we have to check the routing table of R1 to find out the answer. Use the show iproute command on R1 we will get something like this:

There are three interfaces on R5 which are Loopback0: 10.5.5.5 ; Loopback1: 10.5.5.55;Ethernet0/0: 192.168.123.5 and all of them are advertised via 192.168.12.2 so we can concludetraffic from R1 to R5 goes through R2 (192.168.12.2 is the IP address of S2/1 interface of R2).

Note: Maybe there is another version of this question in the exam in which the answer should beThe traffic is equally load-balanced over R2 and R3. Therefore please check the show ip routeoutput carefully to see if there are more than one route to the destination.

Question 3

Router R6 does not form an EIGRP neighbor relationship correctly with router R1. What is the


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cause for this misconfiguration?

A. The K values mismatch.B. The AS does not match.C. The network command is missing.D. The passive-interface command is enabled.

Answer: C

Explanation

From the configuration of R6 we learn that R6 is missing network 192.168.16.0 command (thenetwork between R1 & R6) under EIGRP so EIGRP neighbor relationship will not be formedbetween them.

Question 4

Study the following output taken on R1:

Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 10.5.5.55, timeout is 2 seconds:Packet sent with a source address of 10.1.1.1. . . . .Success rate is 0 percent (0/5)

Why are the pings failing?

A. The network statement is missing on R5.B. The loopback interface is shut down on R5.C. The network statement is missing on R1.D. The IP address that is configured on the Lo1 interface on R5 is incorrect.

Answer: C

Explanation


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R1 does not advertise its loopback 0 (10.1.1.1) to EIGRP therefore a ping to destination 10.5.5.55(R5) from 10.1.1.1 will not be successful because R5 does not know how to reply to R1.

Comments (314) CommentsComment pages Previous 1 5 6 7 2252

PraveenNovember 21st, 2014

Hi..Which is the eigrp lab which is coming in the exam? The one in this page or the otherEIGRP lab sim in 9tut..Thanks

1.

AshishNovember 23rd, 2014

Hi KIA/Everyone,

Can you please send me the Latest Dumps on [email protected].

Thanks in Advance!!

2.

Nave from PHNovember 23rd, 2014

@Praveen sir please review both EIGRP because it will be random in the exam.

3.

mautharNovember 25th, 2014

plz send me the CCNA dump(pdf,least version) to my [email protected]

4.

vivianNovember 25th, 2014

hi fellas, pls send me the latest ccna [email protected]. thanks.

5.

Rakesh ChavdaNovember 26th, 2014

The most amazing Eigrp practical.!!!

6.


6 of 11 11/27/2014 3:54 PM

ThembieNovember 26th, 2014

hi guys pliz help im writting friday 28, on the eigrp sim since the AS number on router 1isdifferent do I have to configure it correctly or I jus answer the questionAlso the missing statements am I suppose to configure them as well?

7.

ayaNovember 26th, 2014

Can you please send me the Latest Dumps pdf on [email protected]

8.

ayaNovember 26th, 2014

Can you please send me the Latest Dumps pdf on [email protected] [email protected]

9.

AhmedNovember 26th, 2014

all right send me the CCNA dump to my mail: [email protected]

10.

ianNovember 26th, 2014

hi guys, please kindly send me the latest CCNA dump 220-120 to [email protected]. thankyou very much!

11.

ChipiroNovember 26th, 2014

good pple, please kindly send me the latest CCNA dump 220-120 to [email protected]

12.

SazedurNovember 27th, 2014

please kindly send me the latest CCNA dump 220-120 to [email protected]

13.

Anonymous14.


7 of 11 11/27/2014 3:54 PM

November 27th, 2014

hi hope you are all fine. Kindly send me the latest CCNA Dumps 200-120 [email protected]

Comment pages Previous 1 5 6 7 2252Add a Comment

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