IGMPv3

(Internet Group Management Protocol)





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Type
Response Code
IGMP Checksum
Group Address
Res
S
QRV
QQIC
# Sources
Source Address 1
Source Address 2
......
Source Address k

 

IGMP Parameters

Type 8 bits
1 Create Group Request.
2 Create Group Reply.
3 Join Group Request.
4 Join Group Reply.
5 Leave Group Request.
6 Leave Group Reply.
7 Confirm Group Request.
8 Confirm Group Reply.
Code 8 bits
IGMP Checksum. 16 bits.
Group Address. 32 bits.
reserved 3 bits
S=Supress Router Processing Flag. 1 bit
Querier Robustness Variable 3 bits
Querier Query Interval Cide. 8 bits.
Number of Sources. 16 bits.
Source IP Address Fields 32 bits each.