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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.

Note: This lab challenge is run on IOS v15 so “no auto-summary” is the default value and this command is hidden by default.

Comments (50) Comments
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  1. Matrix
    September 26th, 2016

    Hi erveryone,

    When I access every ticket, the buttons (Q, R1-4, R5-8 and HA) do not appear in my browsers on windows 10.
    I’m using firefox, chrome and edge.
    Is the someonte has this issue?
    How can I solve this?

    Thank you.

  2. Romi
    September 28th, 2016

    Just now, received feedback from my friend.
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    Get at below page complete package which includes all tickets in .pkt format

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  3. rikker
    September 29th, 2016

    In ticket 7, where the problem is an errant eigrp AS number for R8, your output is deceptive. I ran the sh ip eigrp neighbor command on R3 and R7 and it showed R8 as a neighbor. But when I ran the same command on R8, it showed no eigrp neighbor relationship.

    If the AS number on R8 was errant, no neighbor relationship would show on R3 and R7. And this would have led me to the answer a lot more quickly than I actually took.

  4. Rajesh Kumar
    October 7th, 2016

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  5. Rajesh Kumar
    October 7th, 2016

    hi ,
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  6. Ticket 2 : Troubleshooting Lab Challenge 2
    October 10th, 2016

    Hi networktut, Please check the correct answer for ticket 2. It seems wrong access-list defined in answer on R5.

  7. Ticket 2 : Troubleshooting Lab Challenge 2
    October 10th, 2016

    Sorry, wrong prefix-list on R4.

  8. networktut
    October 10th, 2016

    @rikker: Thanks for your detection. We have just updated that ticket.

  9. gvi
    October 10th, 2016

    dear friends can you send me the latest please? okangulder @ hotmail com

  10. i dont want to pay
    October 12th, 2016

    I dont have money to pay. Somebody send me TSHOOT 68q pdf dumps at thaboketsile @ gmail.com.

  11. Peter
    October 14th, 2016

    for ticket 9, why cant you just remove key 1? I don’t see why remove key 1 from R8 would not correct the issue.

  12. Anonymous
    October 22nd, 2016


    can anyone send me the questions for the troubleshooting exam please.
    manee3 @ lineone .net

    thanks in advance

  13. Anonymous
    October 25th, 2016

    Hello anyone can send me the 68q dumps?
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    October 26th, 2016

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  15. Anonymous
    November 2nd, 2016

    hi every one
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  16. Abed
    November 2nd, 2016

    hi every one
    In the exam of Tshoot is it possible to do configuration inside the ticket ? or Just show run ?
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  17. Anonymous
    November 3rd, 2016

    Are there any Lab Challenge 2 Explanations

  18. networktut
    November 3rd, 2016

    @Anonymous: We are sorry but we don’t make explanation for this lab.

  19. networktut
    November 3rd, 2016

    @Abed: You can only use “show”, “ping”, “traceroute” commands. For more information about this exam, please read https://www.networktut.com/tshoot-faqs-tips

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    November 3rd, 2016

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    November 14th, 2016

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    December 27th, 2016

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  29. RepeatCustomer
    December 27th, 2016

    I used Networktut my first time cert’ing for the CCNP exam, 2 years later to re-cert and I see it’s still up to date. I remember the first time I took the TSHOOT exam, trace route didn’t work much. Since we know the path from the Client machine to the internet, I always started pinging the IPv4 address of the Web Server from R1, and moved device by device until I saw ping failure – then I’d look for misconfiguration in that box. (NOTE-In the exam, I saw pings to the Web Server fail from ASW01 even though I could ping from the Client machine behind it). If (IPv4) pings were successful all the way from the Client machine to the Web Server, I knew the problem was IPv6 – and could only be a couple different things.
    I had 19 questions on the exam including all of the tickets (excluding the ones crossed out – #2, #10 and #13) and a few of the MC’s. Like last time, I bought month subscription here, and used it a couple weeks. I scored 1000 on 12/22/16.

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    December 30th, 2016

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    January 7th, 2017

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    January 13th, 2017

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    January 16th, 2017

    Get actual Troubleshooting and Maintaining Cisco IP Networks (TSHOOT) exam 300-135 exam questions from https://www.dumps4download.us/free-300-135/cisco-question-answers.html

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    January 18th, 2017

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  40. Anonymous
    January 19th, 2017

    can anyone share the correct answer fro TICKET 4.
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    January 21st, 2017

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    January 22nd, 2017

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    January 30th, 2017


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  49. bhatti
    January 31st, 2017

    hey Networktut, the practice labs are really good. If you have resources to increase the practice labs, please add more.

    A first step can be the explanation of the answers to the already exisiting practice labs.

  50. 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.

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