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VTPv3 Sim

February 11th, 2017 in Lab Sim Go to comments

You have been asked to install and configure a new switch in a customer network. Use the console access to the existing and new switches to configure and verify correct device configuration.

VTP_Topology.jpg

Question 1

Explanation

To comply with the configuration of other switches, we need to get VTP configuration of Sw1 or Sw2. On Sw1 use the “show vtp status” command:

Sw1_show_vtp_status.jpg

From this output we learn on Sw1:
+ VTP is running version 3
+ VTP Domain is “CCNP”
+ Sw1 is the VTP Primary Server (we will explain about Primary Server later. Now just understand it is in VTP Server mode)

So on the New_Switch, the VTP Domain must match. New_Switch should run VTP version 3 if if can (but it is not a must as VTP version 2 is compatible with VTP version 3). The New_Switch is connecting to hosts so it is in Access Layer so it should be configured as a VTP Client (although Transparent mode is acceptable) so there are only two suitable choices D & E.

From the exhibit, the New_Switch is connecting to a host in VLAN 100 so its E0/0 interface should be in VLAN 100 -> only D is correct.

Question 2

Explanation

On Sw1 & Sw2 we can check with the “show interfaces trunk” command:

Sw1_show_interfaces_trunk.jpg

Sw2_show_interfaces_trunk.jpg

Sw1 & Sw2 are connected through E2/3 & E2/3 so we can see the native Vlan on these trunks are 99. We should check both Sw1 & Sw2 to see if the Native Vlan on both sides match.

Question 3

Explanation

In VTP version 3, there are two additional fields under the output of “show vtp status” command. They are:
+ “Primary ID”: The MAC address of the Primary Server
+ “Primary Description”: The hostname of the Primary Server

The Primary Server is used on VTP version 3 to avoid the bad behavior in version 2. In VTP version 2, a VTP client (or Server) can be taken out of the network. When it comes back, it can overwrite a VTP Server if its Revision number is higher. This problem no longer exists in VTP version 3 because there is only one VTP Primary Server at a time. Only a VTP Primary Server can create new VLAN.

After creating new VLAN, the VTP Primary Server will advertise its VLAN database to other VTP clients/servers so in fact answer A is not correct. In this question you just need to check if Sw1 or Sw2 is the VTP Primary Server then we can create both VLAN 500 & 600 on it. Then it will advertise these VLANs to other switches.

Sw1_show_vtp_status_primary_server.jpg

From the output we see Sw1 is the Primary Server so we should configure VLAN 500 & 600 only on this switch.

Note: To make a switch a Primary Server, issue the “vtp primary vlan” under privilege exec mode. For example:

Sw1#vtp primary vlan

Question 4

Explanation

To configure private VLAN we have to change VTP (even version 3) to Transparent mode. In fact, to disable VTP pruning on Sw4 (in Client mode) we also have to change to VTP Transparent mode so answer C can be understood as “change SW4 to Transparent mode” so it is the best choice.

Note: Unlike VTP version 1 and 2 in which VTP pruning is enabled on VTP Server only, VTP version 3 requires VTP pruning must be enabled on all the switches in the VTP domain so we can also disable VTP pruning on each switch separately. Here is the link for your reference: http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750x_3560x/software/release/12-2_55_se/configuration/guide/3750xscg/swvtp.html

“With VTP versions 1 and 2, when you enable pruning on the VTP server, it is enabled for the entire VTP domain. In VTP version 3, you must manually enable pruning on each switch in the domain.”

Comments
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  1. Maverick
    August 25th, 2016

    Please send me the 191q (pdf) dump my mail: tacrr6 (at) gmail (dot) com

    Thank you, will really appreciate it, if anyone can assist me with that dump 191q

  2. Awais
    August 29th, 2016

    Guys what is the answer to question 3 is it A as in dumps or B as mentioned here ?

  3. RegioConBotas
    August 30th, 2016

    @Awais on Q3

    Only a VTP Primary Server can create new VLAN.

    if you see on SIM when you do “show vtp status” that both SW1 & SW2 are “servers” the answer should be somthing like “first enable Primary Server and then configure just on that device” because it propagate the vlans to servers and clients in this case SW2 & SW4.

    otherwise if you see just one “primary server” , the answer should be that device and no one else, beacuse the rule on VTPv3:

    “Only a VTP Primary Server can create new VLAN.”

    I just did it on GNS3 and clear my doubts

  4. Awais
    August 31st, 2016

    @RegioConBotas
    Thanks so basically there will be only one server at a time so which ever switch among 1&2 is server it should be the answer ??

  5. RegioConBotas
    August 31st, 2016

    @Awais , yes only one

    which be the “primary server”

    remember use the “show vtp status” command to see which is of them

  6. #shifu
    September 6th, 2016

    @Awais Congratulation for clearing the exams.

    please i need your help, can you forward me the lab sims you use in preparing for this exam, it apears the sim on lacp and STP on this side is already configured, i need an inicial config just like what will be in the exams so i can practist on,

  7. #shifu
    September 6th, 2016

    Greetings to all the engineers,
    please i need your help all to clear the switch exams, forward valid dumps and lab sims to {email not allowed}
    i highly appreciate your promt reaction.

  8. #shifu
    September 6th, 2016

    Greetings to all the engineers,
    please i need your help all to clear the switch exams, forward valid dumps and lab sims to shifujini@gmail dot com
    i highly appreciate your promt reaction.

  9. Henry
    September 7th, 2016

    hello Engineers! I wrote this morning and i passed! 853/1000
    For those of you that are scared, just go in there and do it. Although is not easy but same time is not hard.
    For the configuration of port channel, make sure you do all the configurations on the physical ports not on the port channel because it was clearly stated.

    do that of dot1x and AAA according to passed question 191Q for it is still valid.
    On hsrp, use the commands (show run) and (show standby) before you answer any question ooooo!
    Good luck to you all

  10. Anonymous
    September 12th, 2016

    Pls share the latest Dumps for switch {email not allowed}

  11. Anonymous
    September 17th, 2016

    Hi, where do we get the 191 dump from? can someone send it to gcr99 @ h o t m a i l (dot) com

  12. moon89
    September 17th, 2016

    hi ,
    About VTPv3 Sim; question 4

    if sh vtp status says Sw1 and Sw2 are server mode, the answer will be
    Configure VLAN 500 & VLAN 600 on both SW1 & SW2?

    if sw1 is primary server, the answer will be
    Configure VLAN 500 and VLAN 600 on SW1 only

    Do I understand this correctly?

  13. Achoo
    September 21st, 2016

    Passed today with 9xx. 191q is still valid .
    Labs
    Dot1x
    Lacp
    HSRP
    Cdp lldp drag and drop
    Anyone need dump send me an email i will forward
    waqasrd _ 99 at yahoo dot co dot uk
    Good luck

  14. dim
    September 22nd, 2016

    my email is {email not allowed}

    please Achoo send me the dump

  15. dim
    September 22nd, 2016

    my mail: semukae (at) yahoo (dot) fr

  16. DynaMike
    September 22nd, 2016

    Is Question 3 valid? here it is said that VLAN500 / VLAN600 goes on the primary vtp server. I’ve seen different answers in my vce dumps (to put both vlans on both sw1 and sw2.

  17. effbee0
    September 28th, 2016

    191q dumps required urgently. Exam in a few days. Thanks a lot!
    effbee0 (at) gmail (dot) com

  18. Nass
    September 29th, 2016

    Hi Everyone,

    Please send me the 191q switch dump.

    ntaratibu at gmail dot com

    Thanks everyone in advance

  19. Bernice
    September 29th, 2016

    I am preparing for CCNP Swiching exam, please share a valid dump with me. Thank you very much for help in advance. My email is bernicewonderland@gmail dot com

  20. jonny
    October 1st, 2016

    Hello to everyone.
    I will going to pass SWITCH 300-115 exam
    I am really worried to pass this exam.
    Can someone send me the 191Q dump, catallinstaicu at gmail dot com
    Thanks.

  21. Q3
    October 3rd, 2016

    I have labbed up Q3 with some 3560 switches.

    – When VTP v3 is used, a switch in server mode can NOT create VLANs. It MUST be a primary server.

    – Since only ONE switch can be the primary server within a VTP v3 domain at the same time, answer A makes no sense. Sure, you could make SW1 the primary, create the VLANs and then do the same on SW2. But why would you do that when VTP has already replicated these new VLANs to SW2 by the time you add them on SW1?

    Now, the question why are both listed as server and none of them as primary server (at least in some versions of the dumps)?

    – A primary server demotes itself to server mode when it gets rebooted. However, all other domain members remember the last primary server and show it within their vtp status output. Although it is no longer a primary server at this time.

    – Now check the output within the question. The “Primary Description” field for all of them is showing “SW1”, which indicates that SW1 WAS the primary server at an earlier point in time, thus making answer B the most logical one.

    – The only confusion I can not clear up is the “Primary ID” field which does not match the ID of SW1. However it does not match any of the other IDs either. But still, this leaves me behind with some confusion.

    Maybe that is why there are two versions of the question. One with Server/Server and maybe a newer, corrected one with Primary Server / Server. But that is just a guess.

    Would appreciate your input.

  22. Anonymous
    October 7th, 2016

    Guys in 1911 the answer for question 3 is given A. it should be configure on SW1 and SW2.
    whats the correct answer?

  23. Gabry
    October 8th, 2016

    Could you Please any one Send me the latest Valid Dump on mostafagabry2013 at Gmail dot com

  24. theo1588
    October 9th, 2016

    @Q3
    some update about this
    Question3: You are adding new VLANs. VLAN500 and VLAN600 Io the topology in such way thal you need Io c onfigure SW1 as primary root for VLAN 500 and secondary for VLAN 600 and SW2 as primary root for VLAN 600 and
    secondary for VLAN 500. Which configuration step is valid?

    Answer:
    after using sh vtp statuts on both switch SW1 and SW2. if both are in VTPv2 mode Server, u can choose the way to config the two new vlan 500 and 600 on only one Switch. (SW1 or SW2)
    But in the way the both switch are using VTPv3 and the question is to make SW1 Primary Server for Vlan500 and make SW2 Primary Server for Vlan600. I think the only issue is to Configure the two new vlan on both Switch SW1 and SW2 (apply this command “Sw1#vtp primary vlan” to specify witch Switch is the primary server for whitchone of Vlan)

  25. theo1588
    October 9th, 2016

    Answer: Configure VLAN 500 & VLAN 600 on both SW1 & SW2

  26. theo1588
    October 9th, 2016

    Update!
    There’s two versions of this Lab VTPv3 at Question3.

    Question3: You are adding new VLANs. VLAN500 and VLAN600 Io the topology in such way thal you need Io c onfigure SW1 as primary root for VLAN 500 and secondary for VLAN 600 and SW2 as primary root for VLAN 600 and
    secondary for VLAN 500. Which configuration step is valid?

    after using sh vtp statuts on both switch SW1 and SW2. if both are in VTPv2 mode Server,
    Answer: Configure VLAN 500 & VLAN 600 on both SW1 & SW2

    But in the way that only switch SW1 are Primary Server on VTPv3
    Answer: Configure VLAN 500 and VLAN 600 on SW1 only

    That’s clear now! Good luck

  27. Tommora
    October 10th, 2016

    Could you Please any one Send me the latest Valid Dump on tammora dot canada at Gmail dot com

  28. theo1588
    October 10th, 2016

    @ Tommora i’ll send it to u

  29. Anonymous
    October 10th, 2016

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    October 10th, 2016

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  31. Kh1985
    October 10th, 2016

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  32. Kh1985
    October 10th, 2016

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  33. Kh1985
    October 10th, 2016

    Sorry khaloood88852 at yahoo dot com

  34. Skizoo
    October 10th, 2016

    @ Theo 1588 please send it to me also on kwamesarfoasiedu at yahoo dot com

  35. Anonymous
    October 10th, 2016

    hi guys

    Could you Please any one Send me the latest Valid Dump on mkk339 at gmail dot com
    thx

  36. Q3
    October 10th, 2016

    @theo1588

    But the command “vtp primary vlan” is just there to make a switch the primary server for the feature vlan. That’s all.

    I do not see the relation to this whole primary root and secondary root thing. I know the answer you mention is listed as correct in one of the dumbs, but I would like to understand WHY it is.

  37. peter
    October 12th, 2016

    hi all

    i plan to exam CCNP 300-101 , dump Q191 is valid ? because some forum say already change @_@

    Many Many thanks , who pass this exam this week .thanks

  38. Kola
    October 12th, 2016

    @theo1588

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  39. becreativeguy
    October 16th, 2016

    @ Cisco Engineer please kindly send email with CCNP switch dump 191q to becreativeguy at gmail.com

  40. peter
    October 16th, 2016

    Thank you all…!!!!!!!!!!!!!!!!

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  41. Jentul
    October 17th, 2016

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  42. Raven
    October 17th, 2016

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  43. JESSICA
    October 18th, 2016

    Passed with 960 questions and labs from 191q, 100% valid, thanks http://pass4surekey.com/exam/300-115.html for the valid dumps.

  44. rava
    October 19th, 2016

    Question 3
    You are adding new VLANs: VLAN500 and VLAN600 to the topology in such way that you
    need to configure SW1 as primary root for VLAN 500 and secondary for VLAN 600 and
    SW2 as primary root for VLAN 600 and secondary for VLAN 500.

    @RegioConBotas
    by default vtp mode is server and we can have more than 1 server but we can have only one primary server

    @Q3

    ———–

    using this cmd #vtp primary vlan on switch will only allow us to create VLANs on it
    if vtpv3 is used. but this will not help us for Q3
    —————
    Question 3
    You are adding new VLANs: VLAN500 and VLAN600 to the topology in such way that you
    need to configure SW1 as primary root for VLAN 500 and secondary for VLAN 600 and
    SW2 as primary root for VLAN 600 and secondary for VLAN 500.
    —————

    because at this step if SW2 has the lower mac id it will be the root for all vlan
    to elect sw1 primary for vlan 500, secondary server for vlan 600 & sw2 primary for vlan 600 and secondary for vlan 500 it think we should use
    spanning-tree vlan ID root primary or spanning-tree vlan ID root secondary

    —————————————-
    Which configuration step
    is valid?
    A. Configure VLAN 500 & VLAN 600 on both SW1 & SW2 ( not correct )
    B. Configure VLAN 500 and VLAN 600 on SW1 only ( ACCEPTABLE )
    C. Configure VLAN 500 and VLAN 600 on SW2 only ( not correct )
    D. Configure VLAN 500 and VLAN 600 on SW1 ,SW2 and SW4 ( not correct )
    E. On SW2; configure vtp mode as off and configure VLAN 500 and VLAN 600; configure
    back to vtp server mode. ( not correct )

    correct me if im wrong plz

  45. Roshan
    October 20th, 2016

    Can some one share a valid dump

  46. priyashantha
    October 22nd, 2016

    Can any one share a valid dump. i am doing exam on 26th. {email not allowed}

  47. Anonymous
    October 25th, 2016

    can anyone send me the valid dumps please 191q ,im writting whithin 4 days……

    tsafongromuald at gmail dot com

  48. Anonymous
    October 30th, 2016

    191 Q is still Valid, Passed Exam Today

  49. dj
    November 3rd, 2016

    Hi Can people share latest dump, I have 191q and pass4sure dumps sept 2016,

    Assume these are valid,

    What are the labsims most likely to come up in exam ?

    STP
    LACP with STP Sim
    AAAdot1x Lab Sim
    lldp & cdp drag n drop
    HSRP?

    djmktnd at gmail. com

  50. Anonymous
    November 9th, 2016

    @dj
    can you please send 191q and pass4sure dumps to me. it will be great and would really appreciate your help. email meghilama80 @ hotmail .com

    thank you

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