Hi Ron, So what in your opinion would happen with the below if there is no Routing Header at all and I still modify DA at each segment endpoint ?
Can I still put two Destination options ? Or reading the RFC8200 verbatim first DOH must be placed before RH hence to have more then one DOH in a packet RH is mandatory ? If so can it contain only 4 octets and no type specific data (so called be a NULL RH) ? What exactly tells the router to process or not to process last 4 headers ? Is there a rule anywhere that unless RH is present and segments left = 0 destination must not follow next header in RH ? Thank you, R. IPv6 extension header are ordered as follows: > > - Headers processed at every node along the delivery path > - Hop-by-hop > - Headers processed at every segment endpoint > - Destination options > - Routing header > - Headers processed at the ultimate destination only > - Fragment header > - Authentication header > - ESP header > - Destination Options header > > Note that the Destination Options header is the only extension header that > can appear twice in a packet. The Destination Options header must > immediately precede the Routing header or the upper-0layer header. >
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