Fortinet FortiSwitch-548B v. 5.2.0.2 Administration Manual page 781

Selection Criteria
Admin Mode - The administrative mode of the link state function.
Group ID - The group identify of the link state. The range of the group ID is 1 ~ 6.
Mode - The administrative mode of the group.
Upstream port - The monitored uplink port, and the link state of this uplink port.
Downstream ports - The downlink ports for link state.
Command Buttons
Refresh - Refresh the data on the screen with the present state of the data in the switch.
11.3.26 Managing Port-Backup
11.3.26.1 Configuring Port-Backup Configuration
Two ports are associated for one group. Two ports are acted as active and backup ports. One of two
ports will be active at a one time. As configured active port is linkup, the backup port will be disabled.
Otherwise, if configured active port is link down, the configured backup port will be enabled. The
configured active has higher priority to become 'active', as two ports of a group are all link up before
group is enabled.
Selection Criteria
Admin Mode - Choose the port-backup administrative mode for the switch by selecting enable or
disable from the pull-down menu. The factory default is disabled.
Group ID - You can use this screen to reconfigure an existing group or to create a new one. Use this
pull-down menu to select one of the existing groups or select 'Create' to add a new one.
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