Home > TroubleShooting Lab Challenge 2 (EIGRP)

TroubleShooting Lab Challenge 2 (EIGRP)

July 28th, 2015 Go to comments

You have just been recruited to the TUT company. Recently your company has just setup a new network with six routers running EIGRP. A network administrator has configured the network but some issues have been raised. You are tasked to troubleshooting the issue and identify the cause.


Please access this lab challenge via this link: http://congressreiki.ranm.org/?all=lab_challenges/TroubleShooting_Lab_Challenge_2/

Comments (25) Comments
  1. Fayyaz Ahmad
    July 31st, 2015

    On R1 intface E0/1 is shutdown to towards R3
    On R3 Network has not been advertised in EIGRP AS123

  2. stewen
    August 5th, 2015

    question link page didnt work anyone know the exact adrress to open pls?

  3. stewen
    August 5th, 2015

    int eth0/1 on R1 is shutdown

  4. Dennis Bulldog
    August 15th, 2015

    On R6 Router EIGRP is 132 instead of 123

  5. Afif Nazim
    August 18th, 2015

    Router 6 is not configured in EIGRP, as per routing table.

  6. Rikki
    August 26th, 2015

    Found 3
    R1 – E0/1 is shutdown
    R3 – Routing for .35 network is missing
    R6 – Routing AS number error.

    Where to check for correct answers please?

  7. volkmarb
    August 27th, 2015

    Why will traffic destined for R5 Lo0 from R1 go through R4?

  8. 9tut
    August 27th, 2015

    @volkmarb: The delay of S1/0 interface on R2 is higher than the default value so the path of R4 is better than R2.

  9. JD
    August 28th, 2015

    where do you find the delay difference to say traffic will go through R4? any assistance greatly appreciated

  10. 9tut
    August 30th, 2015

    This is the configuration of S1/0 interface on R2:
    interface Serial1/0
    description ***Connect to R5***
    ip address
    encapsulation ppp
    delay 2200

  11. SK
    November 18th, 2015

    This is fun…

  12. azim
    January 15th, 2016

    I have cleaned CCNA yesterday, there was a new qs for this EIGRP part

    q4. Why R5 can not make peer with R6?
    Ans: I have seen IP address were correct, AS number was correct but K value was manually configured in R6.

    K Value mismatch

  13. kait35
    January 26th, 2016

    Where can we get the actual LAB questions to the lab explanations? I thought they were included in the “questions link” but I see they are not. I only see Q&A’s

  14. Daniel
    March 4th, 2016

    Hello, Why the r1 sends packets to reach r4 r5?

  15. jdaw
    May 10th, 2016

    Where can we see the review and explanations? Just coming up as incorrect

  16. Mohammad
    July 2nd, 2016

    why no router eigrp 213 works

    this command does’t work why??????

  17. Mohammad
    July 4th, 2016

    one hour for my exam … Waiting

  18. Anonymous
    August 22nd, 2016


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  20. Anonymous
    February 22nd, 2017

    Router R3 & router R6 are not configure with routing protocol.

  21. zsolt
    May 6th, 2018

    Could you please send me the latest questions of CCNA? I will take the exam next week.
    Thank you.

  22. JJ
    July 11th, 2018

    Great practice!
    Expecting more on EIGRP tho since it is a heavy topic in CCNA?

  23. ps
    August 23rd, 2018

    no rechability to r6…due to different AS number

  24. Lourdes
    September 27th, 2019

    So yeah. Why Did R1 reach R5 through R4? Please explain.

  25. Ahmed
    January 10th, 2020

    @Lourdes this is because the delay on R2’s serial interface to R5 is 22000 while from R4 to R5 the delay is less, so the packet will use the path R1-R4-R5, if the delay were all same in this case then it would have been load balanced

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