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BGP Route Dampening

Here you will find answers to BGP Route Dampening Questions

Question 1

As the penalty for a flapping route decreases and falls below a certain limit, the route is unsuppressed. What is the name of that limit?

A. half-life limit
B. suppress limit
C. max-suppress-time limit
D. reuse limit
E. unsuppress limit
F. penalty limit

 

Answer: D

Question 2

Which configuration will enable the R1 router in the AS51003 sub-AS (member-AS) as a route reflector with neighbors 10.1.1.1 and 10.2.2.2 as its route-reflector clients?

A.
!
R1
router bgp 51003
bgp confederation identifier 55111
bgp confederation peers 51001 51002
neighbor 10.1.1.1 remote-as 51003
neighbor 10.2.2.2 remote-as 51003
neighbor 10.1.1.1 route-reflector-client
neighbor 10.2.2.2 route-reflector-client

B.
!
R1
router bgp 51003
bgp confederation identifier 55111
bgp confederation peers 51001 51002
neighbor 10.1.1.1 remote-as 51001
neighbor 1Q.2.2.2 remote-as 51002
neighbor 10.1.1.1 route-reflector-client
neighbor 10.2.2.2 route-reflector-client

C.
!
R1
router bgp 55111
bgp confederation identifier 51003
neighbor 10.1.1.1 remote-as 51003
neighbor 10.2.2.2 remote-as 51003
neighbor 10.1.1.1 route-reflector-client
neighbor 10.2.2.2 route-reflector-client

D.
!
R1
router bgp 55111
bgp confederation identifier 51003
neighbor 10.1.1.1 remote-as 55111
neighbor 10.2.2.2 remote-as 55111
neighbor 10.1.1.1 route-reflector-client
neighbor 10.2.2.2 route-reflector-client

 

Answer: A

Categories: BGP + MPLS 642-691 Exam Tags:
  1. Jack
    June 7th, 2011 at 07:26 | #1

    anyone can explain Q2?

  2. KD
    June 23rd, 2011 at 16:03 | #2

    The router is in a confederation AS with sub-AS number 51003. The main AS is 55111. In this case, we are using route reflectors within the confederation AS 51003. So, when configuring the route-reflector, your clients should also be in the same AS i.e. 51003, it doesnt make sense to have route reflector clients in a different confederation AS. Only A matches this i.e. route reflector clients are in the same confederation AS. Hope this helps..

  3. jack
    July 6th, 2011 at 11:51 | #3

    bind your explaination. thanks.

  4. Shouka
    May 13th, 2012 at 23:22 | #4

    @ KD
    Thanks a lot 😉

  5. Gabriela
    August 29th, 2012 at 17:27 | #5

    Dear Careercert,Is there any chance we can get the inrtie CCIP CBT Nuggets. As the video’s which are here they are the collection from the other course series.So, if there is any chance off getting it kindly let us know the way.RegardsmaniSHarma

  6. Dinesh Kumar
    December 7th, 2012 at 02:09 | #6

    in CCNA there is tutorial available for each topic before taking the questions and answers. but here it was not available if its available better for us to recalling… Since CCNA explanation given was very simple to learn by anyone.. same expecting for each topic in CCNP as well as CCI………..

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