NAT/4/CGN_GLO_SES_NORMAL: The usage of IPv4 sessions dropped below the threshold. (Usage=[Usage], Threshold=[Threshold], Slot=[Slot], Cpu=[Cpu])
 
 In VS mode, this log is supported only by the admin VS.
| Parameter Name | Parameter Meaning | 
|---|---|
| Usage | Usage of IPv4 sessions. | 
| Threshold | Threshold of the proportion of established IPv4 sessions to the total supported ones. | 
| Slot | Slot ID of a service board. | 
| Cpu | CPU ID of a service board. | 
This log message is informational only, and no action is required.