FUJITSU ServerView Virtual-IO Manager V3.1 - Manual (Page 177)

Edit Properties step for single networks/VLAN networks
Figure 38: Edit Uplink Set wizard (first step)
You can modify following parameters in the first step of the wizard:
Activate Port Backup
Switch to a backup port if an error occurs in the active port. The port
backup function is only available if at least one backup port is con-
figured.
Linkdown propagation
Send a linkdown event if both the active ports and the backup ports fail.
The linkdown event triggers a failover process on the server blade if con-
figured accordingly.
If you select Linkdown propagation, the ports of the related server
blades receive a linkdown event if a problem occurs. If the LAN drivers in
the operating system of the server blade are configured accordingly, this
linkdown event then triggers a failover on the second LAN port. A
ServerView Virtual-IO Manager 177
5.4 Wizards