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助理工程师
 
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题库基本上全覆盖,遇到一提新题关于BGP。我试把印象中的新题默出来。
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router bgp 65112, e/ m$ k& X _" w6 W8 C. F! y6 P
neighbor 10.2.2.2 route-map 690 in0 h7 N7 p. x& D! v, v( a# l
neighbor 10.2.2.2 remote-as 1. p" N, G7 R; H' \8 S, V
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route-map 690 permit 10! B* m' j; r2 T* ^. W4 ]
match ip address 1( k* J5 Q4 a( Z) ~9 o1 d1 s3 G5 s
set local-preference 150( o8 r) o. E& U( F% x7 {
set weight 200
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access-list 1 permit ^690$
' s% Z: x, \/ e( J9 t& aaccess-list 1 permit ^1800% O7 c$ S s5 O, o
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Question:
; i. ^( [6 f; l" m+ W2 Q; Z$ |" x: dThe operator wants the router to reach AS 690 through neighbor 10.2.2.2 only, but it turns out to be able to connect to AS 690 through all other neighbors.2 U! f; W- s/ O; q: m
What is the reason?- a5 O5 v* d3 _. M5 C# u4 Y |7 k
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A. (I forgot the choice)
# R7 l& z8 c; Y, n, [; k& qB. Weight of other neighbors for AS 690 is set higher than 200.
* Z- \: H7 D/ }" zC. Weight and local preference should be set to same value.9 P/ D2 l& f7 o; G5 I
D. Route-map is set in wrong direction.
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