Command Details: IP_Add_Membership
Category
Extended
Details
Command Code: | 19h |
Valid for: | Instance |
Description
This command assigns the socket an IP multicast group membership. The module always joins the “All hosts group” automatically, however this command may be used to specify up to 20 additional memberships.
Command Details
Field
Contents
CmdExt[0]
(reserved, set to zero)
CmdExt[1]
Data[0]
Group IP address byte 4
Data[1]
Group IP address byte 3
Data[2]
Group IP address byte 2
Data[3]
Group IP address byte 1
Response Details
(no data)