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4.2.2.6 Unrecognized Header Options: RFC 791 Section 3.1

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4.2.2.6 Unrecognized Header Options: RFC 791 Section 3.1

4.2.2.6 Unrecognized Header Options: RFC 791 Section 3.1

A router MUST ignore IP options which it does not recognize. A corollary of this requirement is that a router MUST implement the End of Option List option and the No Operation option, since neither contains an explicit length.

DISCUSSION

All future IP options will include an explicit length.


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Connected: An Internet Encyclopedia
4.2.2.6 Unrecognized Header Options: RFC 791 Section 3.1