[riot-notifications] [RIOT-OS/RIOT] Does cc1101 can support gnrc networking in nucleo–f (#11714)

Marian Buschsieweke notifications at github.com
Wed Jun 19 17:58:58 CEST 2019

> Then, I found configure another address is very important.

Hmm, this should only be the case if both nodes end up getting the same MAC address. This can be for two reasons: The board does not have a cpu ID to generate a MAC address from. (The STM32F1 family does have this). Or bad luck: With only 255 (0x01 to 0xff) possible addresses, with about 16 device you already have a chance of about 50% of a collision due to the birthday paradox.

Can you paste the output of `ifconfig` on both nodes after boot, so that I can get an idea what went wrong?

Keep in mind that the IPv6 address needs to match the L2 address. E.g. if you have an L2 address of `0x42`, you need to have `fe80::ff:fe00:42` as IPv6 address. You can set the L2 address using `ifconfig <ID> set addr <L2_ADDR_IN_HEX>`.

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