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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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' @- i3 I u/ urouter bgp 65112, u1 p3 `. H0 l7 E7 k6 c
neighbor 10.2.2.2 route-map 690 in9 D3 K* p* `4 R
neighbor 10.2.2.2 remote-as 1
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9 n# `& r) b0 p$ t- l2 {. Iroute-map 690 permit 10
+ M2 T; n6 p9 g! e ?/ b match ip address 1
# S8 n5 _/ J* ]; L set local-preference 150
( d3 ]( J9 S- A: J6 ]. z set weight 200
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; K. z$ H9 G* D: m7 \! Naccess-list 1 permit ^690$+ @' H9 |& L- p
access-list 1 permit ^18002 L/ c2 K+ S: b
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Question:
4 @; b1 I H8 V& ~7 @; P3 JThe 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.& U8 V& z9 p A y
What is the reason?
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A. (I forgot the choice)+ f8 `, U) @# }9 I
B. Weight of other neighbors for AS 690 is set higher than 200.
$ i7 v, b' H3 y& hC. Weight and local preference should be set to same value.
8 M$ `( ?, C6 YD. Route-map is set in wrong direction., U, N* T9 y. b+ g4 v: f# }3 u4 V
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