Issue link: https://read.uberflip.com/i/1428350
LoRaWAN Remote Multicast Setup v1.0.0 Specification ©2018 LoRa Alliance™ Page 7 of 18 The authors reserve the right to change specifications without notice. 4 Multicast Control Message Package 168 169 The identifier of the multicast control package is 2. The version of this package is version 1. 170 171 The following messages are sent to each end-device individually using Unicast downlink on 172 a port specifically used for the multicast package. The default port value is 200. These 173 messages MUST NOT be sent using multicast. If these messages are received on a 174 multicast address the end-device MUST drop them silently. 175 176 All unicast control messages use the same format: 177 Command1 Command1 Payload Command2 Command2 payload …. 178 A message MAY carry more than one command. The length of each command's payload is 179 fixed and a function of the command. Commands are executed from first to last. Each 180 command MUST be individually acknowledged by the end-device. 181 182 The following table summarizes the list of multicast control messages 183 184 CID Command name Transmitted by Short Description End- device server 0x00 PackageVersionReq x Used by the AS to request the package version implemented by the end-device 0x00 PackageVersionAns x Conveys the answer to PackageVersionReq 0x01 McGroupStatusReq x Asks an end-device to list the multicast groups currently configured 0x01 McGoupStatusAns x Conveys answer to the McGroupStatus request 0x02 McGroupSetupReq x Provides an end-device will all necessary information to join a multicast group 0x02 McGroupSetupAns x 0x03 McGroupDeleteReq x Used to delete a multicast group from an end-device 0x03 McGroupDeleteAns x 0x04 McClassCSessionReq x Conveys information about the next classC multicast session the end-device shall join 0x04 McClassCSessionAns x 0x05 McClassBSessionReq x Creates a class B multicast session 0x05 McClassBSessionAns x Table 1: Multicast Control messages summary 185 186