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本帖最后由 小乔 于 2017-11-22 09:13 编辑 7 b% s+ l# z# n6 O. z3 j& i F
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Question 1 拖图题
8 }* j/ ^: ^5 h' wGre Tunnel Header Mandatory and Optional ??
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3 v& `7 Q% ~5 N- pMandatory: Reserved0, Version, Protocol Type
9 P8 d8 B5 U, r* R9 ?3 B- ~( YOptional: Checksum, Reserved1, Key, and Sequence Number2 l& p$ H7 E/ A2 _( U
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Question 2 拖图题
* ]$ p, X' o% Z+ r3 jGre tunnel Header,which one is standard,witch one Extended? (4 Standard,2 Extended). M0 L. T0 z, X7 G: ~3 P# h
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Standard Header :Reserved0 , Version , Protocol Type , Checksum , Reserved1
- [- R$ {* I) _) a n! LExtended Header : Key , Sequence Number
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