3com S7906E Guide De Référence

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Default Level 
1: Monitor level 
Parameters 
vlan-id: Multicast VLAN ID, in the range 1 to 4094.  
ip-address-list: Multicast IP address(es). ip-address-list = { ip-address | ip-address to ip-address } 
&<1-10>.  
&<1-10>: Indicates that you can specify up to 10 IP addresses/IP address ranges.  
Description 
Use the multicast vlan-id dest-ip command to add multicast address(es) to a multicast VLAN. Upon 
receiving an IGMP Report message, the OLT determines whether the multicast IP address contained in 
the message belongs to the multicast VLAN. If yes, the OLT generates a multicast forwarding entry in 
the multicast VLAN of the multicast IP address; otherwise, the OLT directly discards the message.  
Use the undo multicast vlan-id dest-ip command to remove the configuration. 
Note that a multicast IP address can belong to only one multicast VLAN.  
Examples 
# Add multicast IP address 225.1.2.1 to multicast VLAN 1002.  
<Sysname> system-view 
[Sysname] ftth 
[Sysname-ftth] multicast vlan-id 1002 dest-ip 225.1.2.1 
port fiber-backup group 
Syntax 
port fiber-backup group group-number 
undo port fiber-backup group 
View 
OLT port view 
Default Level 
2: System level 
Parameters 
group-number: Fiber backup group number, in the range 1 to 80. 
Description 
Use the port fiber-backup group command to add the OLT port to the specified fiber backup group 
(the group must exist). 
Use the undo group member command to remove the OLT port from the fiber backup group. 
Related commands: fiber-backup group