IPv6 packet: Difference between revisions

Revision as of 23:03, 26 September 2019

Revision as of 16:07, 24 October 2019

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===Hop-by-hop options and destination options===

The ''Hop-by-Hop Options'' extension header needs tomay be examined and altered by all nodes on the packet's path, including sending and receiving nodes. (For authentication, option values that may change along the path are ignored.) The ''Destination Options'' extension header need to be examined by the destination node(s) only. The extension headers are both at least 8 octets in size; if more options are present than will fit in that space, blocks of 8 octets are added to the header repeatedly—containing options and padding—until all options are represented.

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|+''Hop-by-Hop Options'' and ''Destination Options'' extension header format