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Exam JN0-648 topic 1 question 65 discussion

Actual exam question from Juniper's JN0-648
Question #: 65
Topic #: 1
[All JN0-648 Questions]

Click the Exhibit button.

You are investigating reports of increased latency and discover that some routes cause customer traffic to traverse a route reflector instead of the optimal path.
Referring to the exhibit, which configuration statement would solve the problem?

  • A. delete protocols bgp group BGP-MESH peer-as
  • B. set policy-options policy-statement NHS term BGP_ROUTES from external
  • C. set protocols bgp group BGP-MESH import NHS
  • D. delete protocols bgp group BGP-MESH export NHS
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by dahai at Oct. 9, 2020, 4:47 a.m.

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dahai
Highly Voted 4 years, 6 months ago
D "from external" I am not sure that exist!
upvoted 8 times
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nushadu
Most Recent 3 years, 4 months ago
Guys, I tested in the LAB, in my case "D" is the correct answer cos when you use the "external" statement it does not change any next-hop they stay the same, i.e. in this policy ALL traffic will forwarded to RR ("exterlal" feature will not change this behavior).
upvoted 2 times
nushadu
3 years, 4 months ago
+ this feature related to OSPF proto (NOT to BGP) see "type" statment ed@vMX-PE1# ...cy-statement q65 term 10 from external ? Possible completions: <[Enter]> Execute this command + apply-groups Groups from which to inherit configuration data + apply-groups-except Don't inherit configuration data from these groups type OSPF external metric type (1..2) | Pipe through a command [edit] ed@vMX-PE1# ...cy-statement q65 term 10 from external
upvoted 1 times
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hyena
4 years, 2 months ago
NHS should be applied only on the PE/EDGE routers not on the RR
upvoted 3 times
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kent_663
4 years, 4 months ago
root@vMX1# show policy-options policy-statement nhs term 1 { from { protocol bgp; external; } then { next-hop self; } } B is the correct answer
upvoted 3 times
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qeimsga
4 years, 5 months ago
It's an internal BGP, hence no need to do Next-hop-Self policy to its IBGP (cluster) peers. It should be D: "delete export NHS policy"
upvoted 3 times
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Mooshy
4 years, 6 months ago
router# set policy-options policy-statement load-balance term 1 from protocol bgp externa? Possible completions: > external External route Its 'B'
upvoted 1 times
Gdjskiejdn
4 years, 5 months ago
“ from protocol bgp external” Is Not “from external” Which is mentioned in the answer
upvoted 2 times
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C (25%)
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