1. Check that the license can be used, and operations of adding the license are correct.
2. Check that FOS FW for NX120s is V5.05a. The version does not support a temporary license. To use a temporary license, upgrade FOS FW for NX120s to V6.2.3c3.
3. Send the FOS FW upgrade package for NX120s to customers. FOS FW for customers' NX120s can be remotely upgraded to V6.2.3c3. After the upgrade, a temporary license can be added, as shown in Figure 2.
Figure 2 Success in adding the license for cascading NX120s