"Table pdp_sessions entries limit (90000) reached" critical system alert messages in SmartView Tracker

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Technical Level

Symptoms

Security Gateway running Identity Awareness get "Table "pdp_sessions" entries limit (90000) reached" in SmartView Tracker / SmartLog.
Security Gateway running Identity Awareness get "Table "pdp_super_sessions" entries limit (30000) reached" in SmartView Tracker / SmartLog.

Cause

pdp_super_sessions: limited for 30,000 entries.

pdp_sessions: limited for 3 X pdp_super_sessions limit (90,000 entries by default).

Until R80.10 GA, Identity Awareness can associate up to 30,000 IPs (=pdp_super_session entry) per gateway. Therefore, we have limited the kernel tables.
In some cases, even when the environment has less than 30,000 IPs, the kernel tables are overflowed. This usually happened due to service accounts.

Solution

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