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本帖最后由 小乔 于 2017-11-22 09:13 编辑
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" M3 h; q( |: K' E. c8 jGre Tunnel Header Mandatory and Optional ??
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' m D, l. M1 S" W9 yMandatory: Reserved0, Version, Protocol Type/ i5 ~. \: h+ k0 N: o: f9 j
Optional: Checksum, Reserved1, Key, and Sequence Number
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0 N3 u9 h: t! f4 DQuestion 2 拖图题4 E, c) R/ m# _: q0 S0 }2 k! G
Gre 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
2 _4 Q0 i* ^, M4 y* {% _5 t1 o9 c0 PExtended Header : Key , Sequence Number0 P [: ?" ^1 g2 E( c7 `
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