Home > Ticket 11 – OSPF to EIGRP

Ticket 11 – OSPF to EIGRP

March 20th, 2015 in TSHOOT v2 Go to comments

On R4:
router eigrp 10
  redistribute ospf 1 route-map OSPF->EIGRP
  network 10.1.4.0 0.0.0.255
  network 10.1.10.0 0.0.0.255
  network 10.1.21.128 0.0.0.3
 default-metric 100000 100 100 1 1500
  no auto-summary
!
router ospf 1
  network 10.1.1.8 0.0.0.0 area 34
  redistribute eigrp 10 subnets
!

route-map OSPF_to_EIGRP
  match ip address 1

Ans1) R4
Ans2) IPv4 Route Redistribution
Ans3) Under the EIGRP process, delete the redistribute ospf 1 route-map OSPF->EIGRP command and enter the redistribute ospf 1 route-map OSPF_to_EIGRP command.

Note: In this ticket you will see a typo in the name of the route-map (EIGPR, not EIGRP) but it is not the issue of this ticket.

Explanation for this ticket:

In this topology, we are doing mutual redistribution at multiple points (between OSPF and EIGRP on R4, DSW1 & DSW2), which is a very common cause of network problems, especially routing loops so you should use route-map to prevent redistributed routes from redistributing again into the original domain.

In this ticket, route-map is also used for this purpose. For example, the route-map “EIGRP_to_OSPF” is used to prevent any routes that have been redistributed into OSPF from redistributed again into EIGRP domain by tagging these routes with tag 90. These routes are prevented from redistributed again by route-map OSPF_to_EIGRP by denying any routes with tag 90 set.

Therefore in this ticket, typing a wrong route-map (which does not exist) may cause problem.

Comments (20) Comments
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  1. ntut
    December 18th, 2017

    TT11 is different from the real exam. Very confusing TT, it’s difficult to troubleshoot.

  2. Anonymous
    December 19th, 2017

    Are below written networks right? They do not match L3 diagram
    router eigrp 10
    network 10.1.4.0 0.0.0.255
    network 10.1.10.0 0.0.0.255

    router ospf 1
    network 10.1.1.8 0.0.0.0 area 34

  3. deiv
    December 19th, 2017

    Passed today. However few tickets were slighlty different. When you do sh run on R4 for this ticket you will see this : Problem is under router OSPF 1 -> EIGPR – EIGRP. P and R are swaped

    router eigrp 10
    redistribute ospf 1 route-map OSPF->EIGRP

    router ospf 1
    network 10.1.1.8 0.0.0.0 area 34
    redistribute eigrp 10 subnets EIGPR -> OSPF

    Problem is under router OSPF 1 -> EIGPR – EIGRP. P and R are swaped

  4. auk
    December 19th, 2017

    hi deiv

    can you kindly explain when you say p and r are swaped what do you mean. i have an exam tommorow so would appreciate your prompt reply thank you

  5. sym
    December 23rd, 2017

    As deiv was written, it is configured with EIGPR instead of EIGRP.

    Besides that, Config has been changed.
    It was “OSPF -> EIGRP” instead of “OSPF_to_EIGRP”.

    Please check the route-map config calmly.

    All of you can understand right away.

  6. UP
    January 5th, 2018

    Hello Everyone,

    TT11 is changed, rest you can rely on networktut. Thanks Networktut

  7. paper
    January 5th, 2018

    @ UP please share whats change in this TT as i am appearing in exam after 1 hrs…

  8. Pownraj A
    January 5th, 2018

    Today passed exam with 948. EIGRP-OSPF redistribution sims was confusing. They have modified the sim. OSPF->EIGPR(Ticket 11). P and R was swapped. I couldn’t recognise this minute mistake. Everything else was same from networktut. For more info about the change pls check https://www.networktut.com/tshoot-ticket-11/comment-page-6#comments

  9. bag
    January 10th, 2018

    Passed today with 917.
    Some tickets have changed questions and are tricky.
    I think I only got 1 ticket wrong.
    I was not able to find a ticket with this OSPF to EIGRP problem and I think this question might have changed.

  10. Anonymous
    January 11th, 2018

    Please send me latest dumps nainarbe attherate gmail dot com

  11. Anonymous
    January 11th, 2018

    as was already mentioned. Ticket 11, now mistake is in OSPF->EIGPR; correction you need to select is to use OSPF->EIGRP. do you see difference? :-)

  12. Seismicjab
    January 11th, 2018

    Does anyone know the latest definitve content and answer to this question then? I failed this exam in Dec and re-taking tomorrow, this is the only one I’m concerned with. thanks!

  13. chachi9834
    January 12th, 2018

    I can confirm that this question has changed but during my lab, the configuration seemed absolutely correct. I verified that the spelling in the route map matched the redistribution command. Also, if you navigate to R4 > IPv4 Route Redistribution > There is no option that is correct. There is no OSPF_to_EIGRP route map configured on the router.

    There did not appear to be anything wrong with the configuration yet, OSPF routes (or default route) was not seen in the EIGRP process.

    Not sure what else to say.

  14. Massy83
    January 12th, 2018

    I believe that the correct answer is still the same even if there is no error in the config anymore. The symptom is clearly the same, it smells like bug.

  15. Syed Kashif Shahab
    January 12th, 2018

    @networktut , the other moderators,

    I have tried to find the config. difference on R4 of this ticket (T11) and other R4s of other tickets, they are same.

    Usually tickets wherein misconfigured device of a specific ticket say(R1 of T1) seems unique when matched/compared with other R1 of other tickets.

    can any one help ? all tickets on R4 have :
    On R4:
    router eigrp 10
    redistribute ospf 1 route-map OSPF->EIGRP

    furthermore, I dont find “route-map OSPF_to_EIGRP
    match ip address 1” part anywhere on R4 of any ticket.

    help required…plz confirm if there has been change in the ticket in exam as ppl out here shared their experiences in exam otherwise.

    Regards

  16. passed2k18
    January 14th, 2018

    PAssed on the 12 with 1000/1000, this question does seem to be glitched now.

    The route-map is titled properly and referenced right in the redistro profile. But if you check routes on DSW1 it is not learning routes from the OSPF side of things. I chose the the correct answer from this simulator and received a perfect score.

  17. Syed Kashif Shahab
    January 15th, 2018

    @networktut.. your help required for this tciket….month gone and it looks like nothing helped in here… several tickets have issue at networktut.com

  18. Syed Kashif Shahab
    January 15th, 2018

    @passed2k18 can you shed some light on this ticket…what actually appeared in exam and how you troubleshot and answered for this tciket

    thanks

  19. passed2k18
    January 16th, 2018

    @Syed Kashif Shahab So the Route-Map shows up as OSPF->EIGRP instead of OSPF_to_EIGRP so “redistribute ospf 1 route-map OSPF->EIGRP” references a valid route map, however if you check the other EIGRP routers there are not learning the OSPF /30’s 10.1.1.0/30, 10.1.1.4/30, etc. So even though the correct answer is to deleted “OSPF->EIGRP” and change to “OSPF_to_EIGRP” the show run doesnt support that.

    Also on the Actual test it flips the RP to PR (EIGRP to be EIGPR) but it is like this is in the redistro statement as well as the Route Map policy name.

  20. Anika
    January 17th, 2018

    About 90% questions are from dumpsgator. One thing you need to pay attention is the questions are rephrased in the real exam. And btw selections are jumbled so you must remember the answer itself not the letter of choice.
    You can read and download the 300-135 question answers dumps here: https://dumpsgator.com/download-300-135-braindumps-questions.html

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