Hello!
Yes, the firewall support session alarm function. If the new IPv4 sessions per second of a CPU reach the alarm threshold (configured by the snmp-agent session-rate trap threshold command), alarm FWD_1.3.6.1.4.1.2011.6.122.15.3.2.3 hwSecStatSessRateOverThreshold is sent.
For more details, please refer to the product documentation: