3com S7906E Guide De Référence

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preview-time: Allowed preview time, in minutes. It is in the range 1 to 3.  
interval-time: Allowed preview interval., in minutes. It is in the range 1 to 10.  
preview-times: Allowed preview times, in the range 1 to 3.  
reset-interval-time: Preview reset interval, namely, time elapsed (in minutes) after the preset number of 
preview times is reached and before the next preview can be performed. It is in the range 1 to 43200. 
Description 
Use the uni multicast-control multicast-address command to configure the access (permit, preview, 
or deny) to multicast channels for the users connected to the specified UNI.  
Use the undo uni multicast-control multicast-address command to remove the configuration.  
Note that this command is available in multicast control mode only.  
If this command is executed with the source-ip  keyword, the OLT will process the received IGMPv3 
packets as follows:  
 
For IS_IN, TO_IN, or ALLOW IGMPv3 packets, if the multicast IP address and source IP address 
carried in the packets are within the range configured for the multicast rights, the OLT creates the 
multicast table entries; otherwise, the OLT discards the packets.  
 
If the packet type is IS_EX or TO_EX, the OLT discards the packets.  
 
If the packet type is BLOCK, the OLT directly deletes the corresponding multicast table entries 
without checking the packet rights. 
For details about IS_IN, TO_IN, ALLOW, IS_EX, TO_EX, and BLOCK IGMPv3 packets, see IGMP 
Operation in the IP Multicast Volume
Examples 
# Allow all the users connected to UNI 1 to access the multicast channels with the multicast IP address 
224.1.1.2.  
<Sysname> system-view 
[Sysname] interface onu 3/0/1:1 
[Sysname-Onu3/0/1:1] uni 1 multicast-control multicast-address 224.1.1.2 rule permit 
uni multicast-group-number 
Syntax 
uni uni-number multicast-group-number number 
undo uni uni-number multicast-group-number 
View 
ONU port view 
Default Level 
2: System level 
Parameters 
uni-number: UNI number, in the range 1 to the number of UNI ports of the current ONU. The number of 
UNIs can be up to 80.  
number: Number of multicast channels, in the range 0 to 255.