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* IPv6 Flow Labels and options headers under Linux
@ 2006-07-07 19:48 Paul Fleischer
  0 siblings, 0 replies; only message in thread
From: Paul Fleischer @ 2006-07-07 19:48 UTC (permalink / raw)
  To: lkml

Hi,

I have been playing around with IPv6 flow labels on UDP under Linux.
When using flow labels on a socket, I seem unable to set the per-hop
options header on a per-packet basis. It works if I set the per-hop
options header while acquiring the flow label from the kernel. I am
wondering if Linux enforces the following from Appendix A of RFC2460:

"
   All packets belonging to the same flow must be sent with the same
   source address, destination address, and flow label.  If any of those
   packets includes a Hop-by-Hop Options header, then they all must be
   originated with the same Hop-by-Hop Options header contents
   (excluding the Next Header field of the Hop-by-Hop Options header).
"

Does anyone know if that is the case?

Regards,
Paul Fleischer

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