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HSRP Hotspot

Question

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For your information, the “show running-config” commands are posted below for your reference but please notice in the exam you have to issue this command to get the output:

DSW1#show running-config

interface Vlan101
 ip address 192.168.101.1 255.255.255.0
 standby 1 ip 192.168.101.254
 standby 1 priority 200
 standby 1 track GigabitEthernet1/0/1 55
!
interface Vlan102
 ip address 192.168.102.1 255.255.255.0
 standby 2 ip 192.168.102.254
 standby 2 priority 200
 standby 2 preempt
 standby 2 track GigabitEthernet1/0/1 5
!
interface Vlan103
 ip address 192.168.103.1 255.255.255.0
 standby 3 ip 192.168.103.254
 standby 3 priority 200
 standby 3 preempt
 standby 3 track GigabitEthernet1/0/1
!
interface Vlan104
 ip address 192.168.104.1 255.255.255.0
 standby 4 ip 192.168.104.254
 standby 4 priority 150
 standby 4 preempt
 standby 4 track GigabitEthernet1/0/1 1
!
interface Vlan105
 ip address 192.168.105.1 255.255.255.0
 standby 5 ip 192.168.105.254
 standby 5 priority 150
 standby 5 preempt
 standby 5 track GigabitEthernet1/0/1 55
DSW2#show running-config

interface Vlan101
 ip address 192.168.101.2 255.255.255.0
 standby 1 ip 192.168.101.254
 standby 1 priority 150
 standby 1 preempt
 standby 1 track GigabitEthernet1/0/1
!
interface Vlan102
 ip address 192.168.102.2 255.255.255.0
 standby 2 ip 192.168.102.254
 standby 2 priority 190
 standby 2 preempt
 standby 2 track GigabitEthernet1/0/1
!
interface Vlan103
 ip address 192.168.103.2 255.255.255.0
 standby 3 ip 192.168.103.254
 standby 3 priority 190
 standby 3 preempt
 standby 3 track GigabitEthernet1/0/1 50
!
interface Vlan104
 ip address 192.168.104.2 255.255.255.0
 standby 4 ip 192.168.104.254
 standby 4 priority 200
 standby 4 preempt
 standby 4 track GigabitEthernet1/0/1 55
!
interface Vlan105
 ip address 192.168.105.2 255.255.255.0
 standby 5 ip 192.168.105.254
 standby 5 preempt
 standby 5 track GigabitEthernet1/0/1

Question 1

Explanation

The question clearly stated that there was an issue with the decrement value in VLAN 102 so we should check VLAN 102 on both DSW1 and DSW2 switches first. Click on the PC Console1 and PC Console2 to access these switches then use the “show running-config” command on both switches

DSW1>enable
DSW1#show running-config

DSW2>enable
DSW2#show running-config

HSRP_show_run

As shown in the outputs, the DSW1’s priority is 200 and is higher than that of DSW2 so DSW1 becomes active switch for the group. Notice that the interface Gig1/0/1 on DSW1 is being tracked so when this interface goes down, HSRP automatically reduces the router’s priority by a configurable amount, in this case 5. Therefore the priority of DSW1 goes down from 200 to 195. But this value is still higher than that of DSW2 (190) so DSW1 remains the active switch for the group. To make DSW2 takes over this role, we have to configure DSW1’s decrement value with a value equal or greater than 11 so that its result is smaller than that of DSW2 (200 – 11 < 190). Therefore C is the correct answer.

Question 2

Explanation

Continue to check VLAN 101 on both switches…

HSRP_show_run_2.jpg

We learned that DSW1 doesn’t have the “standby 1 preempt” command so it can’t take over the active role again even if its priority is the highest. So we need to enable this command on VLAN 101 of DSW1.

Question 3

Explanation:

HSRP_vlan103

The reason DSW2 has not become the active switch for Vlan103 is because the priority value of DSW1 is higher than that of DSW2. In order to make DSW2 become the active switch, we need to increase DSW2’s priority (to higher than 200) or decrease DSW1’s priority (to lower than 190) -> B and C are correct.

But there is another requirement from this question that “A failure on gig1/0/1 on primary device should cause the primary device to release its status as the primary device, unless GigabitEthernet 1/0/1 on backup device has also failed”. This requirement makes answer B incorrect. For example, we choose to decrease the priority value on DSW1 to 160 (according to answer B) then DSW2 will become active switch (that is good). When Gi1/0/1 on DSW2 goes down, the priority of DSW2 will be 190 – 50 = 140 < 160 -> DSW1 will become new active switch (it is good, too). But when Gi1/0/1 on DSW1 also goes down, the priority of DSW1 will be 160 – 10 = 150 and it is still greater than 140 of DSW2 -> DSW2 cannot retake the active role as the requirement of this question.

Question 4

Explanation

Below is the output of VLAN 105:

HSRP_vlan105.jpg

If G1/0/1 on DSW1 is shutdown, its priority will decrease 55 so, its value will be 150 – 55 = 95

Question 5

Explanation

Below is the output of VLAN 105 of DSW2:

HSRP_vlan105_DSW2.jpg

We don’t see the priority of DSW2 so it is using the default value (100).

Question 6

Explanation

HSRP_vlan104

The question asks us how to keep the active role of DSW2. From the outputs, we learned that if both interfaces G1/0/1 of DSW1 and DSW2 are shutdown, the priority of DSW1 will be 150 – 1 = 149 and that of DSW2 will be 200 – 55 = 145 -> DSW1 will become the active switch.

The main point here is that we have to configure so in such a way that when both interfaces G1/0/1 of DSW1 and DSW2 are shutdown, the priority of DSW2 is still greater than that of DSW1. Therefore the priority value of DSW1 should be smaller than 145, or we have to configure the decrement value of DSW1 to a value greater than 6 ( 6 = 150 – 144) -> C is the correct answer.

Notice: To keep the active role of DSW2, we can disable “preempt” on DSW1 (answer A) so that it will not take over the active role when DSW2 is downed but it also means that VLAN 104 will not have active switch -> VLAN104 will fail.

Comments
Comment pages
1 2 30
  1. Donnie
    May 16th, 2015

    @ Admin- Certprepare, in question # 6 the end note i feel there is a TYPO, could you please correct the statement or let me know if i am wrong !!!

    “Notice: To keep the active role of DSW2, we can disable “preempt” on DSW1 (answer A) so that it will not take over the active role when >>>DSW1<< VLAN104 will fail.”

    Shouldn’t it be >>>DSW2<<<

  2. Donnie
    May 16th, 2015

    @ Admin- Certprepare, in question # 6 the end note i feel there is a TYPO, could you please correct the statement or let me know if i am wrong !!!

    “Notice: To keep the active role of DSW2, we can disable “preempt” on DSW1 (answer A) so that it will not take over the active role when >>>DSW1<< VLAN104 will fail.”

    Shouldn’t it be >>>DSW2<<<

  3. certprepare
    May 17th, 2015

    @Donnie: Yes, thanks for your detection. We have just updated it.

  4. Swetch
    May 30th, 2015

    @ certprepare,

    In the premium simulator, can you correct the answer for question 3.
    From answer B to the right one answer C.

    Tia.

  5. Raymond
    June 20th, 2015

    A good app to review and prepare for CCNA and CCNP real exam by Cisco.
    https://play.google.com/store/apps/details?id=com.namsunix.networkingexam&hl=en
    https://goo.gl/tTHCBG

  6. Anonymous
    June 22nd, 2015

    Thanks to veryone for that very helpful information. Could you please send the latest dumps to gasg0127@yahoo.com. Thanks in advanced.

  7. Chan Shaik
    June 23rd, 2015

    Any one could you please send me the latest CCNP switching dumps..

  8. Anonymous
    June 26th, 2015

    get free dumps with nuggets from following short link
    wurl. cc/dumps

  9. Anonymous
    July 9th, 2015

    hello frnds ,

    I want to write ccnp switching exam by month end …Can you please share me the latest dumps available …
    thanks in advance …

  10. M
    July 13th, 2015

    958 Passed yesterday with 100% marks in “Infrastructure Services” (HSRP,VRRP,GLBP topics) and “Infrastructure Security”.

    I chose answer B after doing my maths during exam for controversial QUESTION 3 and validity is reflected in marks. (dont remember if numbers are changed or exactly same but I chose the answer with number 190 and 150)

    I have done quick comparison in following tabular form. if condition is that VIP needs to stay on DSW2 (not mentioned in this question) then Option B is invalid and Option C is partially valid. Therefore I have a feeling that cisco is giving marks on both options.

    ===============OPTION B – a====================
    P-Value on DSW1 189 and DSW2 190

    Sw1 sw2
    sw1 up sw2 down 189 140 VALID
    sw1 down sw2 up 179 190 VALID
    sw1 down sw2 down 179 140 NOT-VALID
    ===============OPTION B – b====================
    P-Value on DSW1 151 and DSW2 190

    Sw1 sw2
    sw1 up sw2 down 151 140 VALID
    sw1 down sw2 up 141 190 VALID
    sw1 down sw2 down 141 140 NOT-VALID

    ===============OPTION C – a====================
    P-Value on DSW1 200 and DSW2 201
    Sw1 sw2
    sw1 up sw2 down 200 151 VALID
    sw1 down sw2 up 190 201 VALID
    sw1 down sw2 down 190 151 NOT-VALID

    ===============OPTION C – b====================
    P-Value on DSW1 200 and DSW2 249
    Sw1 sw2
    sw1 up sw2 down 200 199 VALID
    sw1 down sw2 up 190 249 VALID
    sw1 down sw2 down 190 199 VALID

    Watchout for new questions in comment section on page:
    https://www.certprepare.com/switch-share-your-experience

    Goodluck with Switch. I am off to TSHOOT. See you lot there.

  11. Fifing
    July 14th, 2015

    Does anyone also answered’
    “B. On DSW1, decrease the priority value to a value less than 190 and greater than 150” and also get 100%?

    I’m quite convinced w/ the website’s explanation for answer,

    “C. On DSW2, increase the priority value to a value greater 200 and less than 250”

  12. JennyC
    July 17th, 2015

    Hi guys. Where can I get the latest dumps for 300-115. Im really struggling to find the right dumps. Thank you very much!

  13. Mouson
    July 27th, 2015

    Hi all. Need the latest 300-115 dumps please.

  14. Wally
    August 17th, 2015

    I passed the CCNP Switch exam today. Copy running-config start-config don’t work on exam labs. Maybe I should have tried copy running-configuration startup-configuration the whole sintax.

  15. radders
    August 19th, 2015

    failed last week with all the usual gripes everyone seems to have had. tried every combination of copy run start and none worked even tried a wr me (for old guys).

  16. Aditya
    August 23rd, 2015

    @CERTPREPEARE..Q3 option c should be (241,249)
    explanation fails if any value between 200 and 250 eg.230 is taken

  17. Aditya
    August 23rd, 2015

    @ Admin- Certprepare, in question # 6 the end note i feel there is a TYPO

    “Notice: To keep the active role of DSW2, we can disable “preempt” on DSW1 (answer A) so that it will not take over the active role when >>>DSW1<>>DSW2<<<

    (not yet updated here as mentioned previously by you)

  18. Aditya
    August 23rd, 2015

    oh sorry..it is updated here not in the pdf file!

  19. TheStyg
    September 3rd, 2015

    Hi guys! So the right answer for Q6 is still C ? Thank you

  20. turtlek
    September 7th, 2015

    Answer to question 3 in Premium sim is graded incorrectly.

    B. On DSW1, decrease the priority value to a value less than 190 and greater than 150
    C. On DSW2, increase the priority value to a value greater 200 and less than 250

    The explanation says C is correct, but the sim evaluates B as the correct answer.

  21. Wael
    September 13th, 2015

    Please why the explanation says C is correct, but the sim evaluates B as the correct answer?
    Thank you

  22. Ronaldo
    September 21st, 2015

    In question 3 “C” is correct.

    in configuration command line on DSW2 for VLAN 103 have:

    standby 3 track GigabitEthernet1/0/1 50

    if GigabitEthernet1/0/1 in DSW2 goes down the priority is lower than that set in DSW1

  23. omole
    September 24th, 2015

    Question 4 talking about the DSW2 no DSW1 , if on DSW1 gi 1/0/1 is shut down vlan 5 priority will be 155-50 = 95, but becareful this is talking about DSW2 with default priority of 100 and default decrement value of 10, so if gi 1/0/1 is shut down on DSW2 the decrement value will be 100-10 = 90 . A is the correct answer

  24. omole
    September 24th, 2015

    you can confirm this using question 5

  25. Anonymous
    October 23rd, 2015

    Question 3 – Wrong answer on the quiz.

  26. Switch
    October 29th, 2015

    Question 3 – option C is:
    C. On DSW2, increase the priority value to a value greater 200 and less than 250

    I think it should be:
    C. On DSW2, increase the priority value to a value greater **240** and less than 250

    This is the only way that SW2 priority will remain higher than SW1 if BOTH interfaces fail and are decremented.

    Sw1: 200-10=190
    Sw2: 241-50=191 or 249-50=199 (SwB remains/retakes active role when both interfaces go down).

    Let me know what you think?

  27. Anonymous
    November 2nd, 2015

    Hey@Switch,

    You are totally right, i’ve done the calculations and got to the same conclusion.

    Technically ALL answers are incorrect for Q3, some guys here say that on the exam they grade question B as correct though…

  28. CCNPtaker
    November 3rd, 2015

    @Switch is correct. damn this CISCO cant even make a proper answers

  29. CA
    November 4th, 2015

    @Switch @Anonymous My experience says Q3 it’s C, today I went for that answer on the exam and I scored 100% on Infrastructure Services which includes HSRP. So C is graded as the correct one.

  30. Anil
    November 14th, 2015

    Today I attended the exam and there was a tricky additional question in this section.

    On DSW2 when the link 1/0/1 is down, what will be the priority for vlan 105 group?

    A. 90
    B. 100
    C. 155
    D. 200

    ANS: A

  31. Eslam Hosney
    November 15th, 2015

    @Admin- Certprepare
    On Q5 in the premium simulator it considers 150 as the right answer while here it considers 95 which is more likely to be the one , get if fixed .

  32. Eslam Hosney
    November 15th, 2015

    @Admin- Certprepare Q4 I mean

  33. Eslam Hosney
    November 15th, 2015

    @Admin- Certprepare
    Same goes for question 3

  34. rtpedros
    November 16th, 2015

    Certprepare
    Why is it the answer to question 3 in Premium sim is graded incorrectly?

    B. On DSW1, decrease the priority value to a value less than 190 and greater than 150
    C. On DSW2, increase the priority value to a value greater 200 and less than 250

    The premium sim evaluates B as the correct answer while here the correct answer is C.

  35. Peter Peterson
    November 17th, 2015

    Concerning Q3 – since I agree with @SWITCH calculations, do I have to put in my memory technically incorrect answer – C ? Or could it be that Cisco had some other conditions in mind? I hate to learn stuff which are not logical….

  36. rtpedros
    November 18th, 2015

    @Certprepare,

    ” A failure on gig1/0/1 on primary device should cause the primary device to release its status as the primary device, unless GigabitEthernet 1/0/1 on backup device has also failed.”

    if we consider the above two conditions , none of the choices is correct.

    please enlighten us

    thank you

  37. Slothar
    November 19th, 2015

    Question 3:

    Answers A & D make no sense.

    Answer B will not work for any of the priorities in the range given for DSW1 when both Gig1/0/1 interfaces are down.

    Answer C will work for DSW2 priorities of 241 through 249 when both Gig interfaces are down.

    All answers are incorrect, but given the choices, Answer C is “more” correct than the others.

  38. rtpedros
    November 19th, 2015

    @slothar

    Thanks for the clarification!

  39. lik
    November 22nd, 2015

    some strange design…
    If we use MLS – why we use ip address on SVI? With address on physical interface – everything fine, but if you use SVI, it means that your physical ports will be blocked due to Spanning Tree!

  40. Pekpek
    November 29th, 2015

    Hello guys!

    I took the exam yesterday and I passed with a score of 937 out of 1000.

    Layer 2 Technology : 93%
    Infrastucture Security : 100%
    Infrastructure Services : 100%

    Right before I clicked the end “exam”, I thought I got a perfect score. I don’t know how they grade the exam but I’m sure of all of my answer because I study hard for real! Anyway, the good thing is I passed.

    The dumps here are all still valid. Honestly, what you can see here are all in the exam. My labs are LACP STP, AAA, HSRP Hotspot, Vtp V3.

    Let me share what I experienced:

    1. For all the Labs, No Copy run start and write commands but the config still saves. Make sure to check your config with sh run all the time.

    2. On AAA, I put the exact commands in here but make sure check the radius server host IP and key. You can not add Vlans nor do sh vlans but its not required.

    3. On Lacp, the range command is working. Use this format: “interface range fa0/3 – 4”. Make sure to check your Vlans, trunking, etherchannel bundling, STP and Vtp mode on both switches. I did not put default gateways on both switches because they are already on the running config. To test, just ping the the default gateway which is the router with the IP Add 192.168.1.1.

    Study dumps from galvin, JvD and the labs here from Cert prepare.

    However, I highly suggest to read the Cisco Press and watch CBT nuggets tutorials because you can not be called a Network Engineer if you just rely on dumps.

    Its easy to get CCNP but its hard TO BE a CCNP!

    Thanks for sharing your experienced here and thanks Certprepare.

    GOODLUCK PEOPLE!!! Spread the LOVE and PEACE on earth! :)

  41. CCNPtaker @PEKPEK
    December 13th, 2015

    tanginang pangalan yan PEKPEK hahahaha!

  42. CCNPtaker
    December 16th, 2015

    Guys now i know why C is correct.

    @Switch, you’re right about your calculation that it needs to be greater than 240 but less than 250, because if the interfaces were to go down, this will make DSW2 remain the active role for Vlan103

    read the question again,

    “DSW2 has not become the active device for Vlan103’s HSRP group even though all interfaces are active. As related to Vlan103’s HSRP group. What can be done to make the group function properly?”

    On the question, it just states that “EVEN THOUGH ALL INTERFACES ARE ACTIVE” it means, this question is asking for a scenario where all interfaces are up. So the value on answer C is correct.

    It didnt ask for if the interfaces will go down, DSW2 must remain the active role for Vlan 103.

    But in this question, 2 answers are correct. B and C, because they achieve the same goal. But let’s stick with the answer “C”, this is what the exam wants us to answer. But lets not forget that in the real world, both C and D achieve the same goal.

  43. CST
    February 6th, 2016

    @admin: The Question 3 answer in this page is correct and it is different on the Quiz, please correct the same on the quiz to maintain consistency.

  44. Anonymous
    March 16th, 2016

    455re4gfeygfeyhg

  45. lifeisgood
    March 23rd, 2016

    @admin: @CST is right

  46. TRYING to get C C NPed
    April 21st, 2016

    some please send me the latest dump please {email not allowed} m

  47. HSRP_Analyzer
    May 9th, 2016

    Qu. 3

    Here is my opinion about this question:
    DSW1 DSW2
    G1/0/1 G1/0/1
    200 #Active(1)
    #
    # 190 #Stanby(1)
    # Becomes Active(2)
    # after Active(1) fails on DSW1
    190 #Stanby(2)
    #Becomes Active(3)
    #after Active(2) fails
    #on DSW2
    #
    # 140 #Stanby(3)
    # Becomes Active(4)
    # after G1/0/1 fails on DSW1

    Assuming DSW1 Failed first, then the setup will work as intended if:
    Stanby Priority on DSW1 < 190 but above 140 (at leaset 141). This way, DSW2 will take over as active (in our case here, Priority 190). If DSW2 subsequently failed, then DSW1 will take over with its Priority of 141. And if for some reason this fails, then DSW2 will take over (Priority 140)
    If this is what the question meant, then Answer B is correct.

    But, assuming DSW2 was supposed to be the Active device for VLAN 103 from the start, then web explanation is correct.

  48. sanju
    June 28th, 2016

    q3
    ok we will suppose dsw2 increase priority to 210 when it down become 160 ok DSW1 become Active but DSW1 down priority become 190 DSW2 not going to active state

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