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本帖最后由 小乔 于 2017-11-22 09:13 编辑
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Question 1 拖图题" ]- w0 z/ \4 R
Gre Tunnel Header Mandatory and Optional ??
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5 c) ]8 g1 x3 ?! ~& HMandatory: Reserved0, Version, Protocol Type/ U# p( y, G% @- D
Optional: Checksum, Reserved1, Key, and Sequence Number. ~9 h/ e* z" R. t4 Q0 ~
: j( ]& ]+ j) K8 f0 w$ C# a+ t/ SQuestion 2 拖图题
0 ^3 T6 R; a" J9 ]: C9 [) RGre tunnel Header,which one is standard,witch one Extended? (4 Standard,2 Extended)
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Standard Header :Reserved0 , Version , Protocol Type , Checksum , Reserved1
* T5 L! L+ o2 HExtended Header : Key , Sequence Number6 G! V7 i: h" k& z
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