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HSRP Sim

March 22nd, 2018 in Simlets Go to comments

Special thanks to Yahya who created this HSRP simlet with EVE-NG emulator and you can download it here.

Question 1

Explanation

Check the configuration of R1 with the “show running-config” command:

R1_show_run_track.jpg

R1 connects to R5 via E0/1 interface but R1 is tracking E0/0 which connects to R2 -> when the link between R1 & R5 fails the HSRP priority of R1 is still the same. To correct this problem we have to change the tracking interface to E0/1.

Question 2

Explanation

Check the link between R1 & R2 where HSRP group 2 is running (interface E1/0)

R1_show_run_access_list.jpg

As we see R1 is using access-list 102 to filter traffic coming to interface E1/0 (inbound direction). Continue checking the access-list 102 of R1:

R1_show_run_access_list2.jpg

R1 is blocking any traffic send to 224.0.0.102. Notice that in the syntax of an access-list, the source address is always defined before the destination address. “224.0.0.102” is the muticast address which HSRP version 2 uses to send Hello packets to (instead of 224.0.0.2 of HSRP version 1). Therefore all HSRP sent from neighbor (R2 in this case) to R1 is dropped. R1 keeps sending HSRP Hello packets and think it is the active HSRP router.

Question 3

Explanation

Checking what is preventing the two networks 172.16.10.0/24 & 172.16.20.0/24 from learning on R4.

R4_show_run_distribute_list.jpg

There is a distribute-list applied on R4. Notice that a distribute-list is often used to control which routing updates should be sent or received on a router. So we should check what this distribute-list is used for. This distribute-list is based on access-list 1 so we will continue checking this access-list:

R4_show_run_access_list.jpg

This access-list explicitly blocks the two networks 172.16.10.0/24 & 172.16.20.0/24 from populating into R4 routing table.

Question 4

Explanation

Check the routing table of R4 with the “show ip route” command:

R5_show_ip_route.jpg

We see that there is no route is learned from R4.

Check R4 and R5 with the “show ip interface brief” command, we notice that the interface E0/0 of R4 (which is connected to R5) and interface E0/0 of R5 (which is connected to R4) are running DHCP but it does not have any IP address.

R4_show_ip_int_brief.jpg

-> Therefore this is the issue.

Note: Although the tracking on R2 is not correct too but there is no question about it. Maybe it is a trick to confuse candidates in the exam.

Comments (38) Comments
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  1. robot
    September 24th, 2019

    EVE LAB shared above isn’t continuity the configuration in the devices is there is a way to have it i see only the digram

  2. hiku
    October 13th, 2019

    in previous simlet dumps issue number 4 ‘s answer was an issue with ospf but here the answer is dhcp which one is correct?

  3. Wiki
    October 30th, 2019

    Hi Networktut,

    I am a premium member and when I do the show run for HSRP sim on R2, it shows that it’s tracking Ethernet 1/0 (which is connected to R1) rather than interface Eth 0/1 (which is connected to R4). I think for correct configuration, it should be tracking the link to R4. Thanks

  4. networktut
    October 31st, 2019

    @Wiki: Although the tracking on R2 is not correct but there is no question about it. Maybe it is a trick to confuse candidates in the exam.

  5. Anonymous
    November 4th, 2019

    Hi all,

    I’ve downloaded the hsrp simlet with eve ng, but can someone tell me where can i find the running configs of each routers.
    If i open the lab in eve ng the routers have only base configs?

  6. Anonymous
    November 11th, 2019

    when running the lab in eve-ng, it just shows the basic configs, even the host name is Switch, can anyone suggest on it please.

  7. Anonymous
    November 12th, 2019

    Hi, where are the questions for the HSRP sim? Please help

  8. Nickname
    November 13th, 2019
  9. fm
    November 13th, 2019

    Hello everyone,

    Could anyone share experience regarding the last question in HSRP SIM. Got a bit confused between below answers.

    A. HSRP issue between R5 and R4
    C. There is a DHCP issue between R5 and R4

    As described in this pdf – http://www.networktut.com/multiple-choice-questions, both routers was configured with such netowork statement under the OSPF process – 0.0.0.0 0.0.0.0 area 0, meaning that there should not be problem in OSPF. So in this case we only have one option to select and this is C.

    Looking forward to see you opinion about this case.

  10. ZiliMili
    November 15th, 2019

    Thanks Nickname.

  11. Jackie
    November 17th, 2019

    @Nickname do you know how can I find questions for all tickets in this Tshoot exam? I am searching here on 9tut but cannot seem to get anywhere?

  12. Tshoot123
    November 22nd, 2019

    Do we have to make changes on the HSRP sim like the BGP ? Or is it
    Multiple choice like the trouble tickets .

  13. Original1
    November 25th, 2019

    I’m getting a blank page when accessing the HSRP SIM – BGP SIM working ok

  14. Original1
    November 26th, 2019

    Fixed – Doh! didn’t have Flash enabled in Edge

  15. abdullah
    December 2nd, 2019

    is HSRP SIM still included in the exam or it is removed ? thanks

  16. Anonymous
    December 7th, 2019

    Abdullah – HSRP is still used in exam. I’ve taken it twice and it was used in one of my exams.
    fm – please reference the question when asking about a specific question. I’m willing to help, but not willing to dig through the MCQ to find the one you are talking about.

  17. abdullah
    December 9th, 2019

    @Anony thanks

  18. TOT
    December 12th, 2019

    @Anonymous . I fail score in 13 Nov 2019 because there are new MCQ and there is HSRP . I will test again in this month. My question is… Are there 4 MCQ in HSRP exactly the same in Premium Member ? Thank you.

  19. jahan
    December 13th, 2019

    Please add HSRP Topology, so we can understand following topology and configuration.

  20. good
    December 15th, 2019

    hi where can I get HSRP running config

  21. Jack
    December 21st, 2019

    Hi folks, is the HSRP SIM like BGP SIM, where you need to do correction via CDM or just review CFGs and choose right answer (test question) ? BGP I know exam taker needs to do CFGs, how about HSRP ?

  22. Anonymous
    December 23rd, 2019

    @Networktut. I have downloaded all the multiple questions and tickets but i am unable find HSRP simlet questions. Please advice.

  23. Jack
    December 25th, 2019

    @Anonymous

    When I did mine CCNP in 2016, HSRP wasn’t in exam !!!

  24. Jack
    December 25th, 2019

    That’s why ppl says many times HSRP SIM is back !!!

  25. Jack
    December 25th, 2019

    Finally got answer for mine question about HSRP SIMLET, looks in exam you have to review CFGs and check correct answer. GUYz see video link https://www.youtube.com/watch?v=MkSH7T2uyzg
    also this video shows exact exam simulation how it looks !!!

  26. Jack
    December 29th, 2019

    Also very good reference for HSRP SIM in exam via this link – https://www.alphaeducation.com/download/exam/300-135.pdf

    good explanation. I cleared mine exam today with 1000 score. HSRM SIM is review configs and choose correct answer.

    Good luck.

  27. Anonymous
    December 30th, 2019

    @Nickname
    Do you have the full version of the pdf?

  28. Ben_T
    January 7th, 2020

    On HSRP sim , do we have to configure or just troubleshoot using show commands?
    Can i get into config mode for the HSRP sim?

  29. Darth_Network
    January 15th, 2020

    Do we have the HSRP Sim Questions Phrase?

  30. Stan
    January 17th, 2020

    Is there an initial config for this somewhere ? Or should I recreate from the screenshots ?

  31. Darth_Network
    January 20th, 2020

    Q4 is a little bit tricky, because is not really clear and in several forums we have different answers:

    1. There is an OSPF issue between R5 and R4
    2. There is a DHCP issue between R5 and R4
    3. The distribute-list configured on R5 is blocking route entries

    someone has the correct one? or we can affirm the answer is there is a DHCP issue

  32. Anon
    January 20th, 2020

    Darth_Network,

    If you do a “show ip ospf neighbor” on the either R4 or R5 you will see that their is no neighborship between them. Looking at the OSPF configuration on both routers, you see that OSPF is set to match on all IP addresses and there are NO passive interfaces configured. The config basically says, “add any interface with an IP address to OSPF and try to form a neighbor on it.” We can rule out the distribute-list list because that only filters what routes get ingested into the OSPF database, which then goes into the RIB – it is not used to filter neighborships.

    Therefore, the only possible reason these two routers are not peering is that their interfaces don’t have IP addresses, and thus the DHCP answer.

  33. Darth_Network
    January 21st, 2020

    Thanks Anon for the clear explanation

  34. Anon
    January 21st, 2020

    Darth_Network,

    No problem!

  35. Majid
    January 24th, 2020

    @ Darth_Network… (Question # 4)
    First clear your Networking concepts from CCNA level… I wonder why you are here studying TSHOOT if you don’t know basics…

    1. First we should have an IP address on the interfaces connecting to other routers… Don’t think about OSPF/BGP/bla bla at the very first step… First only think about the interface communication…
    2. So if the interfaces in the very first places do not able to communicate, then you should see the output of commands like “sh ip int brief” or “sh run | s interface Et 0/1”
    3. At this step you should have an idea that why they are not able to communicate… NO IPs and they are configured to get the IPs from DHCP… There is no DHCP as well…
    4. Just pick the “DHCP issue” from options.
    5. Question closed.

  36. Dink
    January 25th, 2020

    @Majid If you actually have expertise to share, it is appreciated, however, it is not polite to write in a condescending way toward someone that is just trying to help. That attitude is not helpful in this community. It would be similar if I were to say you should stop using google translate and learn how properly write in the English language. See? That wasn’t productive. Stick to helping folks or keep your expertise to angry message boards.

  37. Brutus850
    January 26th, 2020

    Maybe it is asked before, but I have some trouble with the question of router R4 not having 172.16.10.x and 172.16.20.x in it’s routing table.. Question 4
    Tha’s supposedly a DHCP issue, however int 0/0 is connecting to R5 according to cdp neighbor on R4. And int 0/1 is connecting to R2 and this has the IP of 172.16.24.4. How can that be a DHCP issue??

  38. Brutus850
    January 26th, 2020

    Q1 it was. However, I am still sleeping, sorry for the fuzzz

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