This PR addresses link-local IPv6 handling in the broker by adding the interface ID (scope_id) as part of the address string for link-local clients.
This fixes the case where the broker receives a packet from a link-local IPv6 address and the reply is dropped due to not specifying which interface to send on.
benemorius
commented
4 years ago
This PR addresses link-local IPv6 handling in the broker by adding the interface ID (
scope_id) as part of the address string for link-local clients.This fixes the case where the broker receives a packet from a link-local IPv6 address and the reply is dropped due to not specifying which interface to send on.
See https://github.com/RIOT-OS/RIOT/tree/master/examples/emcute_mqttsn#i-see-incoming-messages-in-rsmb-but-no-outgoing-message-seems-to-arrive