Home > Troubleshooting Lab Challenge 1

Troubleshooting Lab Challenge 1

April 19th, 2015 in Lab Challenges Go to comments

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. Please let us know if you like this simulator or not so that we can continue making other simulators in the future. Any suggestion, recommendation, error reports are warmly welcomed!

Troubleshooting Lab Challenge 1:

A network engineer has edited their network configuration and now your customer is experiencing network issues. Some reports said that users connected to CLIENT router (R4) cannot reach the services located at SERVER router (R3). They have contacted you to resolve the issues and return the network to full functionality.

Topology.jpg

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

+ OSPF is running among R3, R4, SW5 and SW6, all are in Area 0
+ R1 and R2 are two DHCP Servers
+ R1 is only responsible for answering DHCP Request from SERVER (R3)
+ R2 is only responsible for answering DHCP Request from CLIENT (R4)
+ Interfaces E0/0 of SERVER and CLIENT is running DHCP to request IP addresses
+ There is an access-list named “edge_security” on SW5 that prevents devices with source IP of 172.16.0.x from accessing the SERVER.

There are 9 tickets waiting for you to resolve. 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  

Please try your best to solve these tickets!

You can find the solution and explanation for each ticket here.

Comments (41) Comments
Comment pages
1 2 3 4 788
  1. Anonymous
    October 3rd, 2016

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    i m w8ing for ur mail. thanks

  2. Anonymous
    October 3rd, 2016

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  3. Rasheed
    October 9th, 2016

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    October 10th, 2016

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  5. BGP4+
    October 14th, 2016

    @Adam ,show ip route on R4, you can find that there is no default route ,so ,there can be something wrong with dhcp pool on R2……..

  6. JJ
    October 18th, 2016

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    October 18th, 2016

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  8. Nauman
    October 24th, 2016

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    October 29th, 2016

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    October 30th, 2016

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  11. Manoo
    October 31st, 2016

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    November 4th, 2016

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    November 10th, 2016

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    November 11th, 2016

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  17. fertic
    November 11th, 2016

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    November 16th, 2016

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  20. Grand Father
    November 22nd, 2016

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    November 23rd, 2016

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  23. me111
    November 23rd, 2016

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    December 3rd, 2016

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    December 3rd, 2016

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    December 7th, 2016

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    December 20th, 2016

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    December 21st, 2016

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    December 24th, 2016

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  32. champak
    December 25th, 2016

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    December 25th, 2016

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    January 7th, 2017

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    January 16th, 2017

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