On 2/19/2017 3:14 PM, C. M. Heard wrote: > ... > On that basis I would like to suggest changing the note as follows: > > NOTE: While [RFC2460] required that all nodes must examine and > process the Hop-by-Hop Options header, it is now expected that nodes > along a packet's delivery path, other than the source and destination > nodes, will examine and process the Hop-by-Hop Options header only if > explicitly configured to do so. > It would be useful to be more clear about destination - e.g., as indicated up the destination IP address. I.e., AFAICT an intermediate stop of a "loose source route" (using the routing header) should be able to alter the HBH headers at will. Joe