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Troubleshooting Lab Challenge 2

June 6th, 2015 in Lab Challenges Go to comments

Troubleshooting Lab Challenge 2:

Note: We created this lab challenge to help you get some practice with networking problems only. These labs are only for fun and do not appear in the TSHOOT exam.


Recently our corporation has just acquired some companies. Our networking engineers are working to merge their networks into ours. An engineer has edited the network configuration and now our users are experiencing network issues. They have contacted you to resolve the issues and return the network to full functionality.

Below are the IPv4 Layer 3 Topology and IPv6 Topology (No switch is used in this challenge so we don’t have a Layer 2 Topology):




To troubleshooting effectively you should understand how this network operates. We summarize it as follows:

+ OSPF process 1 is running between R1, R2, R3, R4 and R5
+ RIP version 2 is running between R2 and R6
+ EIGRP AS 10 is running between R3, R7 and R8
+ Redistribution is configured on R2 & R3 to exchange OSPF, RIP and EIGRP information
+ R5 is connected to an Internet Service Provider (ISP) via BGP 65002. R5 is also providing NAT translation between inside networks ( & and outside network ( &
+ R5 is connected to the OSPF backbone area via a OSPF virtual-link. It is a temporary solution for merging them
+ Two access-lists are applied on R5 to increase security for the inside networks
+ Users are allocated prefixes of & They are represented by Client 1 & Client 2
+ R1, R2 and R3 are connected via DMVPN (this is a new topic in the ROUTEv2 exam. If you don’t understand about DMVPN and NHRP, please ignore ticket 14 & 15.)
+ For security reason, the network between R4 & R5 ( is hidden from all other routers via a filter-list on R4.
+ In the IPv6 Topology R1, R3, R4 and R5 are running OSPFv3 AS#10 while R3 and R8 are running RIPng. Redistribution is performed on R3 so that these two IPv6 routing protocols can see each other.
+ Traceroute commands are not supported in this challenge (that would make the challenge too easy)

There are 15 tickets waiting for you to resolve. Each ticket only contains one error. Below are the links to access them:

Ticket 1 Ticket 2 Ticket 3 Ticket 4 Ticket 5 Ticket 6 Ticket 7 Ticket 8
Ticket 9 Ticket 10 Ticket 11 Ticket 12 Ticket 13 Ticket 14 Ticket 15  

We hope you can solve all these problems. The difficulty of this challenge is same of the TSHOOT exam (for routers only). Please tell us if you like them or not so that we can continue making more in the future.

Comments (21) Comments
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  1. Shalk
    February 3rd, 2017


    I took the test today, but I did not pass. I made 750. This simulation is no longer valid. I studied several simulations, but the test changed. Tickets are still valid.
    The test contains new multi-choice questions and a BGP lab. No multiple choice question is contained in the dumps.

  2. Anonymous
    February 7th, 2017

    Thanks for all please send me the last dumps in {email not allowed}.. i do m’y ccnp tshoot thé 27 feb 2017

  3. Anonymous
    February 19th, 2017

    Except the Simlets, do we need to make any config changes..Is there any question from DMVPN n IPv6?
    Please suggest

  4. Trip
    March 15th, 2017

    Lab 2 ticket 4. The issue is far upstream of R4 but you can not ping the E0/1 interface from anything downstream. The solution would not impact the ability to ping E0/1 on R4. Spent a lot of time trying to figure out why I couldn’t ping that interface. I think this is a mistake in the set up of this ticket/lab.

  5. Anonymous
    March 25th, 2017

    on the Ticket #12 answer is : redistribute ospf 10 metric 3 include-connected
    Metric 3 , what is that 3 referring to ?

  6. ticket 12
    March 28th, 2017

    it is actually referring to the metric. Metric that RIP can advertise is 16. Metric of 16 means that the route is unreachable, hence redistributing OSPF with metric 15 and keeping in mind that a RIP router adds an interface cost (default is 1) onto the metric of a received route, the neighbor adds 1 which effectively makes a metric of 16 (route is denoted as unreachable)

  7. Passedd
    April 2nd, 2017

    Thank you so much for the materials. i got a perfect score of 1000, .

    Get Download here
    TSHOOT 300-135 = 68+6 new MCQs+13labs Q&As DUMPS


  8. Anonymous
    April 20th, 2017

    I passed Tshoot in 19.04.2017 and I didn’t see question this topology

  9. ABCDE
    April 22nd, 2017

    i have exam tomorrow and came to know exam questions changed. please let me know what is the truth who recently passed the exam.
    waiting eagerly for response of real person
    thanks a lot in advance

  10. Jessie Akpan
    April 23rd, 2017

    please help a brother from another mother. am writing my exam by God’s grace next month.
    please help send Tshoot dumps to me through this mail.
    {email not allowed}
    God bless you abundantly

  11. LaborDay
    May 1st, 2017

    Does anyone who recently passed can update please about the whereabouts of tshoot exam? any new dumps that can be used as a good reference? TIA

  12. sdfdsf
    May 10th, 2017


  13. pass today
    May 19th, 2017

    Hi all, passed tshoot paper with 1000 mark. Thanks networktut.

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  16. Sahar
    June 1st, 2017

    I want ask about Exam CCDP 300-320 I need link for dump if that can I’ll be thanks

  17. Anonymous
    June 7th, 2017

    Hi “pass today”, would you know the tickets that are not given in the exam

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    June 8th, 2017

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  19. badsanta
    June 12th, 2017


    I have a probem with ticket number 3.
    It is obviously that the network 2019::38:8 on R8 is not propagated through ospf on R1. That means, on R3 there have to be a missing keyword in the section “redistribute ospf 10 metric 3” named “include connected”.
    But actually this command is configured in the sim as it should be.
    Please check this sim, because for me it was very confusing to find a solution for this problem.

    Kind regards

  20. davids
    June 12th, 2017

    are these tickets valid yet?

  21. badsanta
    June 18th, 2017

    Hi again,

    Ticket10 is a little bit tricky, do not let confuse you when you check the neighbor/route connection in the eigrp domain.

    Kind regards

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