3com S7906E 설치 설명서

 

1-7 

Source Address( 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.) 

 

A host sends an MLD report message to report the current multicast listening state 

 shows the 

format of an MLD report message. 

Figure 1-4 Format of MLDv2 report message 

...

 

 

 describes the fields in 

. 

Table 1-2 Description on fields in an MLDv2 report message 

Type = 143 

Message type. For a report message, this field is set to 
143. 

Reserved 

The Reserved fields are set to 0 on transmission and 
ignored on reception. 

Checksum 

Standard IPv6 checksum 

Number of Multicast Address Records 

This field indicates how many IPv6 multicast address 
records are present in this report message. 

Multicast Address Record(i) 

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).