3Com S7906E Configuration Manual page 1254

Figure 1-3 Format of MLDv2 query message
0 3 4 7
Type = 130
Maximum Response Delay
Reserved S QRV
Table 1-1 describes the fields in
Table 1-1 Description on fields in an MLDv2 query message
Field
Type = 130
Code
Checksum
Maximum Response Delay
Reserved
Multicast Address
S
QRV
QQIC
Number of Sources
15
Code
Multicast Address (128 bits)
QQIC
Source Address [1] (128 bits)
Source Address [n] (128 bits)
Figure 1-3.
Message type. For a query message, this field is set to 130.
Initialized to zero
Standard IPv6 checksum
Maximum response delay allowed before a host sends a report
message
Reserved field and initialized to zero
This field is set to 0 in a general query message.
It is set to a specific IPv6 multicast address in a
multicast-address-specific
multicast-address-and-source-specific query message.
Flag indicating whether a router updates the timer for suppression
after receiving a query message.
Querier's Robustness Variable
Querier's Query Interval Code
This field is set to 0 in a general query message or a
multicast-address-specific query message.
This field represents the number of source addresses in a
multicast-address-and-source-specific query message
1-6
Checksum
Reserved
Number of Sources (n)
Description
query
31
message or