In sections 4.13, (implicitly in 4.14) and 4.15 a set of steps is indicated. As
far as I can tell the processing of the IPv6 header chain in all cases is
terminated. e.g.,
"
When N receives a packet whose IPv6 DA is S and S is a local End.BM
SID, does:
S01. When an SRH is processed {
S02. If (Segments Left == 0) {
....
Interrupt packet processing and discard the packet.
S04. }
S05. If (IPv6 Hop Limit <= 1) {
....
Interrupt packet processing and discard the packet.
S07. }
S09. If ((Last Entry > max_LE) or (Segments Left > (Last Entry+1)) {
....
Interrupt packet processing and discard the packet.
S11. }
....
S15. Submit the packet to the MPLS engine for transmission to the
topmost label.
S16. }
"
The text then says:
When processing the Upper-layer header of a packet matching a FIB
entry locally instantiated as an SRv6 End.BM SID, process the packet
as per Section 4.1.1.
Why would I ever be processing the upper-layer header at this point?
Thanks,
Chris.
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