|
Some clarification of port number usage, please: Section 5.2 seems to make it simple. Clients use 546,
Servers and Relays use 547. However, section 21.1 (when talking about
Selectors for IPSec tunnels between Relays and Servers) talks about both port
546 and 547. If relays are to only use 547, why mention 546 in 21.1? So the question is, what’s the correct port usage for
Relays? Is it supposed to listen on only port 547 for all of its DHCPv6
traffic? Or is it supposed to listen on port 547 for Client -> Relay
traffic, and port 546 for Server/Relay -> Relay traffic (as the Relay is effectively
playing DHCPv6 client to the server/relay)? Also note, 3315 doesn’t specify source port
numbers. Is it supposed to be defined that servers & relays send from
547 (potentially Relays from 546 and 547, depending on whether it’s
sending to a Server/Relay or a Client), and clients send from 546, or are
ephermal source port numbers “OK”? |
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