Home > Ticket 13 – DHCP Helper-address

Ticket 13 – DHCP Helper-address

March 18th, 2015 in TSHOOT v2 Go to comments

Configuration on DSW1:

!
interface Vlan 10
 ip address 10.2.1.1 255.255.255.0
 ip helper-address 10.2.21.129
!

Note: In this ticket you will find port-security configured on ASW1 but it is not the problem as the port-security is good (check with the “show interface fa1/0/1” command on ASW1.

Ans1) DSW1
Ans2) IP DHCP Server (or DHCP)
Ans3) on DSW1 delete “ip helper-address 10.2.21.129” and apply “ip helper-address 10.1.21.129” command

Comments (43) Comments
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  1. Liam
    November 16th, 2016

    I recommended http://www.testmayor.com ! I passed my exam yesterday with the score 98%. You can try the demo before you pay for the order. 100% money back guarantee. You will lose nothing.

  2. PTM
    November 17th, 2016

    Ticket 13: Since the IP address of the HSRP gateway 10.2.1.254 is within the range, shouldn’t be excluded as well?

  3. Ilse
    November 21st, 2016

    March 14th the big event, which started, is located one-block west of Welch and Mulberry Avenues.
    A custom truck is not set off by anything like a fantastic hunting pair
    of custom wheels. It’s the most recent drivers and woods in 2011.
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  4. Adam
    December 6th, 2016

    How can I determine the fault is in R4 ?

  5. Isabella
    December 13th, 2016

    The materials are very accurate. Few incorrect answers. But I do not expect a full score, anyway. 91% is enough for me. I just passed my CCNP Routing and Switching 300-135 exam 10 hours ago. The dumps are trustful. I recommend http://www.grades4sure.com/300-135-exam-questions.html to all who want to pass their exam in the first attempt. Practice your exam with this dumps and you will 100% pass your exam.

  6. Rofa
    December 26th, 2016

    Ticket 13: Since the IP address of the HSRP gateway 10.2.1.254 is within the range, shouldn’t be excluded as well?

  7. Mogamboo
    January 4th, 2017

    @Rofa

    10.2.1.254 is not in the range blood!

  8. Qadri
    January 7th, 2017

    Adam look at the naren chart, with this chart you can easily find the problem. in exam you must remember this chart and then and write down the chart on page which you got in exam. then you will easily pass the exam. click on link
    https://www.scribd.com/doc/201788237/Tshoot-Flow-Chart-by-Naren-1

  9. ABCDE
    January 22nd, 2017

    Any one recently appeared for tshoot exam,please share the experience that how many Tickets, Sims and MCQs in the exam ?

    Thank you so much for reply in advance guys !

  10. saw
    March 20th, 2017

    Hello, What mean of remove ?
    anyone know?

  11. saw
    March 20th, 2017

    Hello,
    What mean of remove ?
    anyone know?

  12. TD
    April 30th, 2017

    I see tickets 2,10 and 13 removed from the premium site. Should we expect those 3 tickets on the real Exam, or not? Can someone please share your thoughts if you saw those 3 tickets on the Exam. Thanks

  13. Anonymous
    May 28th, 2017

    I tested few day ago, failure. One ticket is Ticket 10 + Ticket 14. (router eigrp 1 + passive-interface default)

  14. roller99
    June 14th, 2017

    IS THIS TICKET ON THE TEST OR NOT? WE PAY FOR THIS SITE, YOU NEED TO KEEP IT CURRENT.

  15. networktut
    June 15th, 2017

    @roller99: This ticket is up-to-date. Only the flash simulators are not. But we are working on it now so please wait for some time.

  16. roller99
    June 15th, 2017

    How much time, I have only 6 weeks before my certs expire.

  17. Duncan
    June 16th, 2017

    Ans3) on R4 delete “ip helper-address 10.2.21.129” and apply “ip helper-address 10.1.21.129”

    on R4??? its suppose to be DSW1.. Please correct the mistake

  18. Anonymous
    June 18th, 2017

    @roller99 step back. you’re making demands from a site with the real answers you only paid $10 for (instead of 100+) and are doing the best they can. who waited until their certs are almost expired? Check your manners bro and check whose fault it is.

  19. Precise
    June 21st, 2017

    So R4 is the DHCP server and the ip helper address can be any address on the device in this case loopback 1 : 10.1.21.129″ but in theory you could have used 10.1.4.5 correct? I was able to figure out the problem.

  20. roy
    June 22nd, 2017

    Not an easy one to spot since the client does have an address from DHCP even though DHCP is broken.

  21. ccnbrik
    June 28th, 2017

    @roy
    exactly, i dont know if its the sim thats broken as it shouldn’t be so no?. the clients actually have addresses from dhcp range

  22. networktut
    July 2nd, 2017

    @roy: It is a bug in the exam so please don’t believe in the static IP addresses of the client.

  23. RatedR
    July 2nd, 2017

    Hey Networktut when do you plan to update simulator
    Configuration on DSW1:

    !
    interface Vlan 10
    ip address 10.2.1.1 255.255.255.0
    ip helper-address 10.2.21.129

    it will be great , helpful if done sooner
    Thanks
    RatedR

  24. Mike
    July 9th, 2017

    CISCO!!!!

    A BUG IN THE EXAM!?!?!?

    WE PAY $300, NOT TO MENTION STUDY MATERIAL….AND IT IS “A BUG IN THE EXAM”?

  25. Dzo
    July 13th, 2017

    Just wonder whether it’s a bug just coincidence. DSW1 doesn’t have a route to ip helper address 10.2.21.129, so it uses a default route pointing to… 10.1.4.5 which is R4 anyway. As a result, the DHCP request reaches DHCP server hence IP address can be assigned to client.

  26. Nick
    July 15th, 2017

    How many M/C questions on the exam?

  27. Shiko
    July 18th, 2017

    Where is the dhcp helper address.. I dont see it in the question or in the topology.

  28. ??
    July 21st, 2017

    Why does ASW1 have port security configured?

  29. Peter
    August 2nd, 2017

    @networktut and @roy, the client 1 & 2 have static ip, but if have any faults in ticket, client 1 & 2 don’t respond ping itself for ip address even they have static ip assigned. Did you get my point? I face this problem today in my exam. This ticket is valid. My score was 1000 today.

  30. BIGKIDS
    August 12th, 2017

    Can anyone explain why helper address is 10.1.21.129 ?

    It must be dhcp server address which is 10.1.4.5 isnt it ?

    !
    interface Vlan 10
    ip address 10.2.1.1 255.255.255.0
    ip helper-address 10.1.4.5

    ??

  31. YouKnowWho
    August 15th, 2017

    @BIGKIDS

    R4 is the DHCP server and the ip helper address can be any address on the device, in this case, interface lo1 : 10.1.21.129

    Since a loopback encounters less errors than an actual physical interface, this would be the safe bet. Of course, your network would have to advertise the loopback so it can get to it.

  32. BT
    August 20th, 2017

    Is this still valid?? Shouldnt it the fault be on R4??

  33. Memento
    September 1st, 2017

    Weird ticket. I checked “ipconfig” on a client during the test. Client already had ip address 10.2.1.3, so the problem with dhcp helper should not affect its comminication to the rest of the network. Despite all that client wasn’t able to ping even its default gateway and the other client that also had valid ip address. The symptoms show that the problem had to be on ASW1 switch, but i didn’t find any problem there. So I picked dhcp helper configuration problem as an answer and was correct. It means that it’s a bug on cisco side. Do not be mistaken by the fact thet the client has valid ip. If you see wrong dhcp helper ip configured on dsw1 – that’s it.

  34. sid
    September 3rd, 2017

    how will we know ip helper address?

  35. WhoKnows
    September 4th, 2017

    @Memento

    If the IP helper is wrong then there is no way the client can receive an IP address. This is definitely a bug.

  36. Anonymous
    September 6th, 2017

    Dear All,

    Today, I renewed my CCNP, retaking the 300-135 / TSHoot for the third time with a score of 879.
    I faced the below questions:

    1- Ticket 1 / ASW1 – Access Vlan
    2- Ticket 2 / ASW1 – Switchport – Access VLAN
    3- Ticket 3 / ASW1 – Switch Connectivity – Trunk
    4- Ticket 4 / R1 – OSPF Routing – Security – Authentication ???
    5- Ticket 5 / R1 – NAT Inside
    6- Ticket 6 / R1 – IPV4 Layer 3 Security – ACL
    7- Ticket 7 / R2 – IPV6 OSPF Routing
    8- Ticket 8 / R4 – IPV4 Route Redistribution
    9- Ticket 9 / R4 – IPV6 Route Redsitribution
    10-Ticket 10 / R4 – IPV6 OSPF Routing
    11-Ticket 11 / R4 – EIGRP Passive Interface
    12-Ticket 12 / DSW1 – VLAN Access-Map Filter ???
    13-Ticket 13 / DSW1 – IP DHCP Helper Address
    14- Traceroute Exhibit / Multi-choice Question : Type 3 and Code 3
    15- BGP Simlet / The very same and famous one.
    16- GRE Exhibit / Multi-choice Question about the correct configuration.
    17- GRE Question:
    Two Routers are connected through PPP connection. After PPP was established the admin put OSPF running above it. The OSPF formed adjacency but after soon the adjacency dropped.
    What is the reason?
    * Correct Answer: GRE tunnel destination must not be reachable through the tunnel/
    18- VRF Management Exhibit / Multi-choice Question. ???
    19- OSPF Question / Multi-choice: selecting two commands to track the neighbor relationship from a certain interface. ???
    I remember two commands and I guess what I chose in the exam:
    * debug ip ospf adj
    * show ip ospf neighbor interface f 0/1

    Conclusion: I am pretty sure of most of my answers, except for the questions that I added three question marks at the end. Which is Ticket 4 & Ticket 12.
    I used the same answers in all dumps, but when I was comparing the configuration later in other tickets during the exam, I have noticed that the missing OSPF authentication digest is missing in all other tickets.
    About Ticket 12, there are a confusion about removing the Filter command or the access-map 10 command.

    About question 18 & 19: they are kind of new to me, so I am not sure of my answers.

    I am not working in the networking field, but I like to renew my CCNP, just in case I changed career in the future.

    That would be all.

    Regards,

  37. Anonymous
    September 9th, 2017

    Attention! to all of you.
    Since September 2017 there are new questions (multiple-choice) in the 300-135 exam, which have never seen before!
    I took the exam on Sep 7th.
    Have anyone this new questions and can explain more?

  38. WhatsThe
    September 11th, 2017

    Please share the new questions since Sept 2017

  39. help if can
    September 20th, 2017

    Guys im taking the exam in 2 hours

  40. help if can
    September 20th, 2017

    The only thing Im worry is DSW1… Is the best way to know if its vlan filter or ip helper address. To look for the ip helper address and do show run on r4 to see if match? Or is there better way. Thank you

  41. faridm
    September 24th, 2017

    Hi, everybody

    I have got dump from 02.03.2017. However at this dump it does not show this ticket – Ticket 13 – DHCP Helper-address. Just wonder whether this ticket is still valid at the real exam. I am asking the guys who have recently taken exam – Please share your experience regarding this ticket.
    Thanks in advance

  42. PIT
    September 30th, 2017

    Faridm could you please share your dump. ecompany at .op.pl

  43. FureC
    October 19th, 2017

    Hi, i dont see any questions in this tickets (5,11,13) thats the way the problems shows up at the exam ???

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