3com MSR 20-20 참조 매뉴얼

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C
HAPTER
 92: MLD C
ONFIGURATION
 C
OMMANDS
If the IPv6 multicast address is in the SSM multicast address range, and if an IPv6 
address is specified for the multicast source, multicast messages carrying the (S,G) 
entry, namely, the source IPv6 address information, can be sent out of this 
interface.
Example
# Configure Ethernet 1/0 to be a statically-connected member of the multicast 
group FF03::101.
<Sysname> system-view
[Sysname] interface ethernet 1/0
[Sysname-Ethernet1/0] mld static-group ff03::101 
# Configure Ethernet 1/0 to forward multicast data of the multicast source 
2001::101 to the multicast group FF04::202.
<Sysname> system-view
[Sysname] interface ethernet 1/0
[Sysname-Ethernet1/0] mld static-group ff04::202 source 2001::101 
mld timer other-querier-present
Syntax
mld timer other-querier-present interval
undo mld timer other-querier-present
View
Interface view
Parameter
interval: MLD other querier present interval in seconds, in the range of 60 to 300.
Description
Use the mld timer other-querier-present command to configure the MLD 
other querier present interval on the current interface.
Use the undo mld timer other-querier-present command to restore the 
system default.
By default, the MLD other querier present interval is determined by the following 
formula:
MLD other querier present interval = [ MLD query interval ] times [ MLD querier 
robustness variable ] plus [ maximum response delay for MLD general queries ] 
divided by two.
n
By default, the values of the three parameters in the above-mentioned formula are 
125, 2, and 10, respectively, so the default MLD other querier present interval is 
125 x 2 + 10 / 2 = 255 (seconds).
Related command:
Example
# Set the MLD other querier present interval to 200 seconds on Ethernet 1/0.