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中级工程师
   
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发表于 2018-8-26 21:19:47
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anyisu 发表于 2018-8-25 13:18
. m; R! n1 b3 i0 s1 rQUESTION NO. 22) h% h4 ?% l/ B' @7 w" S
Which router on an IS-IS network generates the IS-IS pseudonode?
# z9 L( W L, U$ G T+ b' B3 D5 HA. DIS
+ o8 D+ {2 o& N) y( k$ j1 _What is the DIS?
- }5 H% ]" w) y1 U. C6 y$ bOn broadcast multi-access networks, a single router is elected as the DIS. There is no backup DIS elected. The DIS is the router that creates the pseudonode and acts on behalf of the pseudonode.
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; j) j, u' z6 bTwo major tasks are performed by the DIS:1 |6 q$ w" a8 m% B
! I5 l; C: Y5 `$ E# SCreating and updating pseudonode LSP for reporting links to all systems on the broadcast subnetwork. See the Pseudenode LSP section for more information.: P# F6 q: Y& h2 q3 E
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Flooding LSPs over the LAN.' K. x8 H8 N; b
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https://www.cisco.com/c/en/us/su ... 9627-DIS-LSP-1.html |
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2018-8-26 21:19:47
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