Hello list,
I have been trying to get Contiki nodes to connect to a RIOT RPL
network and vice versa, but so far without success. By sniffing the
wireless traffic I have found that Contiki seem to be sending its RPL
messages to the multicast group FF02::1A which in [1] is called "All
RPL nodes". RIOT on the other hand is sending its RPL messages to
FF02::1 and FF02::2 which are the "All nodes" and "All routers" groups
which seem to be ignored by Contiki. RIOT seem to be unaware of the
FF02::1A group on the other hand.

My question is: What is the correct behaviour for RPL messages?

Is there a defined multicast address to use (according to some RFC
document or whatever)?

[1]: 
http://www.iana.org/assignments/ipv6-multicast-addresses/ipv6-multicast-addresses.xhtml#link-local

Best regards,
Joakim Gebart
Managing Director
Eistec AB

Aurorum 1C
977 75 LuleƄ
Tel: +46(0)730-65 13 83
[email protected]
www.eistec.se
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