304
Figure 79 MLDv2 query message format
Multicast Address (128 bits)
Type = 130 Code
0 7 15 31
Checksum
Maximum Response Delay Reserved
Reserved S QRV QQIC Number of Sources (n)
...
34
Source Address [1] (128 bits)
Source Address [n] (128 bits)
Table 10 MLDv2 query message field description
Field Descri
tion
Type = 130
Message type. For a query message, this field is set to 130.
Code
Initialized to zero
Checksum
Standard IPv6 checksum
Maximum Response Delay
Maximum response delay allowed before a host sends a report
message
Reserved
Reserved field and initialized to zero
Multicast Address
• 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 query message or multicast-address-and-source-specific
query message.
S
Flag indicating whether a router updates the timer for suppression after
receiving a query message.
QRV
Querier’s Robustness Variable
QQIC
Querier’s Query Interval Code
To Next Page
Loading...
