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AH handling of options



For IPv4 options, the total packet space for the options is a multiple
of four bytes.  If an "End of Options List" is encountered, but there
are more bytes in the options part of the packet due to the four byte
alignment, how are the remaining bytes dealt with concerning the ICV
computation?

1) remaining bytes are ignored/skipped (ala NRL July 96 reference port)

2) remaining bytes are included as is (treated as immutable)

3) remaining bytes are included but set to zero for the computation

I would think that number 2 would be the case.

-dave


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