Issue link: https://read.uberflip.com/i/1428350
LoRaWAN Remote Multicast Setup v1.0.0 Specification ©2018 LoRa Alliance™ Page 11 of 18 The authors reserve the right to change specifications without notice. The end-device acknowledges the reception of this message by sending an 302 McGroupSetupAns message with the following payload: 303 304 305 Field McGroupIDHeader Size (bytes) 1 Table 9: McGroupSetupAns 306 Where: 307 308 McGroupIDHeader Fields RFU IDerror McGroupID Size (bits) 5 1 2 Table 10: McGroupSetupAns McGroupIDHeader field 309 When set the IDerror bit indicates that the end-device does not support the multicast context 310 indexed by the McGroupID requested by the server. For example, an end-device MAY only 311 support a single multicast group (McGroupID=0). If the server tries to create a second 312 multicast group with McGroupID = 1, the end-device SHALL respond with IDerror=1. 313 4.4 McGroupDeleteReq & Ans 314 315 This message is used to delete a multicast group from an end-device. The command 316 payload is: 317 318 319 320 Table 11: McGroupDeleteReq 321 Where: 322 323 McGroupIDHeader Fields RFU McGroupID Size (bits) 6bits 2bits Table 12: McGroupDeleteReq McGroupIDHeader field 324 325 The end-device answers with McGroupDeleteAns with payload: 326 Field McGroupIDHeader Size (bytes) 1 Table 13: McGroupDeleteAns 327 Where: 328 329 McGroupIDHeader Fields RFU MCGroupUndefined McGroupID Size (bits) 5bits 1bit 2bits Table 14: McGroupDeleteAns McGroupIDHeader field 330 MCGroupUndefined is set 1 if the McGroupID specified by the command is not defined in 331 the end-device (was not created before calling the delete command). 332 333 Field McGroupIDHeader Size (bytes) 1