3Com S7906E Configuration Manual page 1255

Field
Source Address( i )
MLD report message
A host sends an MLD report message to report the current multicast listening state
format of an MLD report message.
Figure 1-4 Format of MLDv2 report message
Table 1-2 describes the fields in
Table 1-2 Description on fields in an MLDv2 report message
Field
Type = 143
Reserved
Checksum
Number of Multicast Address Records
Multicast Address Record(i)
IPv6 multicast source address in a multicast-address-specific
query message (i = 1, 2, .., n, where n represents the number of
multicast source addresses.)
Figure 1-4.
Message type. For a report message, this field is set to
143.
The Reserved fields are set to 0 on transmission and
ignored on reception.
Standard IPv6 checksum
This field indicates how many IPv6 multicast address
records are present in this report message.
This field represents information of each IPv6 multicast
address the host listens to on the interface from which the
report message is sent, including record type, IPv6
multicast address, and IPv6 multicast source address on
the sender (i= 1, 2, ... m, where m represents the number
of IPv6 multicast address records).
1-7
Description
Figure 1-4
Description
shows the