Martine, I added ifconfig 7 add ff04::1 to board B and I couldn't ping f04::1 from Linux. Any other solution?
2016-05-09 18:20 GMT+02:00 Baptiste Clenet <bapcle...@gmail.com>: > 2016-05-09 16:44 GMT+02:00 Alexander Aring <alex.ar...@gmail.com>: >> On Mon, May 09, 2016 at 04:24:34PM +0200, Baptiste Clenet wrote: >>> Hi Martine, >>> Thank you for the answer. >>> Ok ff04::1 is also a multicast address so I add it to every board with >>> gnrc_networking and I should be able to ping them with this multicast >>> address. >>> Shouldn't I use: >>> ifconfig 7 add multicast ff04::1 >>> ? >>> >>> I'm missing something here, could give me an explanation please: >>> Before, I had a transceiver plugged on my linux so I was able to ping >>> my board directly using fe80::address so I was able to use the local >>> multicast address ff02::1, now that I use border router, I'm using a >>> prefix 2001::db8 (why? and why documentation prefix?) Why can't I use >>> fe80 as before? >> >> because link-local ff80::/10 will not be routed, between lowpan and >> ethernet interface, so far I know. > > ff80? You meant fe80? I was able to do ping with fe80 and lowpan0. >> >> I think what you want to have is the npd proxy magic stuff. See [0]. >> Just plugin the ethernet cable and your network will be extended with >> the 6LoWPAN nodes. > > What I want is to understand a bit better how my network works. > Each node is inside the same PAN (let's say 0x23 by default on RIOT, > any reason why you choose 0x23?) > RIOT starts and we affect an link-local address fe80 so every RIOT > node can ping another one with its link-local address. > Then comes border-router, border router will tell every node to add a > new ip with prefix 2001:db8::, is this right? > How often does border router send a message to other node to say to > add this new ip address? > Why 2001:db8 has been chosen? and how should I choose this prefix if I > want to use my product for commercial use? > > Why can't I ping a link-local address from Linux with the border router? > I've got ten nodes and one linux with a border router, what I want is > to be able to send messages to each of them (or all of them by > multicast) at any moment, here I don't understand why I should use > global address 2001:db8 instead of fe80:: > > Thanks for your time, > >> >> I need to admit, I tested the manual stuff "ip -6 neigh add proxy ..." >> only and never the ndppd (btw, there exists some offers to move this >> handling into kernelspace to make it more easier for users). >> >> If you want to test it, please share your expierence. >> >> - Alex >> >> [0] https://github.com/DanielAdolfsson/ndppd >> _______________________________________________ >> devel mailing list >> devel@riot-os.org >> https://lists.riot-os.org/mailman/listinfo/devel > > > > -- > Baptiste -- Baptiste _______________________________________________ devel mailing list devel@riot-os.org https://lists.riot-os.org/mailman/listinfo/devel
