HP VPN Firewall Appliances Appendix Protocol Reference
Table Of Contents
- Title Page
- Contents
- IP routing basics
- Static routing
- Default route
- RIP
- OSPF
- IS-IS
- BGP
- IPv6 static routing
- IPv6 default route
- RIPng
- OSPFv3
- IPv6 IS-IS
- IPv6 BGP
- Multicast overview
- Multicast routing and forwarding
- IGMP
- PIM
- MSDP
- IPv6 multicast routing and forwarding
- IPv6 PIM
- MLD
- Support and other resources
- Index

121
Figure 78 MLDv2 query message format
Table 15 MLDv2 query message field description
Field Descri
p
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.
Multicast Address (128 bits)
Type = 130 Code
07 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)