Groupcast 0x0065
The Groupcast cluster manages the content of the node-wide multicast Group membership that is part of the underlying interaction layer.
Spec History
Matter 1.5
rev 1
Matter master
rev 1
Attributes (2)
| Code | Name | Type |
|---|---|---|
| 0x0000 | Membership | array |
| 0x0001 | MaxMembershipCount | int16u |
Commands (6)
| Code | Name | Direction |
|---|---|---|
| 0x00 | JoinGroup | client→server |
| 0x01 | LeaveGroup | client→server |
| 0x02 | LeaveGroupResponse | server→client |
| 0x03 | UpdateGroupKey | client→server |
| 0x04 | ExpireGracePeriod | client→server |
| 0x05 | ConfigureAuxiliaryACL | client→server |
Features (2)
| Bit | Code | Name |
|---|---|---|
| 0 | LN | Listener — Supports joining a multicast group of nodes as a listener. |
| 1 | SD | Sender — Supports sending multicast message to a targeted group of nodes. |