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"Table pdp_sessions entries limit (90000) reached" critical system alert messages in SmartView Tracker
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
  • Identity Awareness kernel tables are limited to the following by default:

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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