Refer to the exhibit. VPN-A sends point-to-point traffic to VPN-B and receives traffic only from VPN-C. VPN-B sends point-to-point traffic to VPN-C and receives traffic only from VPN-A. Which configuration is applied?
Considering MP-BGP + MPLS which are not in the scope of ENCOR the D is the correct.
So I realy wonder why is this question in place since it is completely outside of scope.
Question had me stumped for a good minute
For some reason PE2 goes to VPNC and PE3 goes to VPNB.
Answer is C you cannot export a route that was not originated.
Analyzing this question with the comments you all gave clarified a lot with this RD/RT business.
OCG did a horrible job explaining communities in relation to VRFs.
Niyi, you cannot export what you don't originate. Your export route-target 100:2 from PE-3 is not appropriate. That is why the post answer "A" is right.
So I just worked it out to be A myself. I have little to no knowledge of this topic so I was using logical deduction.
I thought that the question was asking what configuration is causing VPN C to response to VPN A when VPN A wants to talk to VPN B.
Answer option A was the only one that I could think that could be causing that. Now that I have seen that everyone is saying it's D. I'm just confused.
Just realised that my initial reasoning makes no sense...
I'm not sure how I arrived at that conclusion. Answer option D is the only one that would make sense. I must have misread the question.
Answer is D
Export of 100:2 makes sense only from PE3, which excludes answers A and C.
VPN-C receives traffic from VPN-A, so PE-3 imported 100:1. That is answer D
I also realized for answer B, it would be importing its own routes (PE-3 import 100.2 which is its own RD) and that doesn't make sense either.
So only answer that makes any sense would be D.
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