3com WX3000 Manuel D’Utilisation

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Master port 
The master port can be either an Ethernet port or a manually-configured or static LACP aggregation 
group. For example, you can configure GigabitEthernet 1/0/1 of switch A in 
 as the master 
port through the command line.  
Slave port 
The slave port can be either an Ethernet port or a manually-configured or static LACP aggregation 
group. For example, you can configure GigabitEthernet 1/0/2 of switch A in 
 as the slave port 
through the command line. 
Flush message 
When a forwarding link fails, the device will switch the traffic to the blocked standby link. The former 
forwarding entries of each device in the network are no longer suitable for the new topology, so MAC 
address forwarding entries and ARP entries must be updated throughout the network. In this case, the 
Smart Link group sends flush messages to notify other devices to refresh MAC address forwarding 
entries and ARP entries.  
Control VLAN for sending flush messages 
This control VLAN sends flush messages. When link switching occurs, the device (Switch A in 
) broadcasts flush messages in this control VLAN.  
Control VLAN for receiving flush messages 
This control VLAN is used for receiving and processing flush messages. When link switching occurs, 
the devices (Switch B and Switch C in 
) receive and process flush messages of this control 
VLAN, and then refresh MAC forwarding table entries and ARP entries.  
 
 
Currently, the member ports of a Smart Link group cannot be dynamic link aggregation groups. 
If the master port or slave port of a Smart Link group is a link aggregation group, you cannot 
remove this link aggregation group directly or change the aggregation group into a dynamic 
aggregation group. Before removing this aggregation group, you must unbind the link aggregation 
group from the Smart Link.