Device Manager Online Help
Enabling L2/L3static routes
To enable static routes:
From the Device Manager menu bar, choose Edit > Chassis.
The Chassis dialog box opens with the System tab displayed.
Click on the L2/L3 Redundancy tab.
The L2/L3 Redundancytab opens
Click Enable.
Click Apply.
The enable HA-CPU message box opens .
Click Yes.
Click Close.