Hi, On Thu, Aug 09, 2018 at 11:02:45PM +0800, Jian-Hong Pan wrote: ... > > For LoRaWAN, it is a star topology. > In sense of 6LoWPAN that means "border router" in the middle which runs radvd on it and sending RA messages. Then doing a route (or even allow nd proxy) between capable $IPv6 (ethernet?) and LoRa 6LoWPAN interface. All others listen for RA messages with PIO and doing autoconfiguration. (In 6LoWPAN you would also pass a 6CO option to compress the PIO prefix, which would make sense to fully elide all IP addresses in the header). - Alex -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html