BugZero | F5 BugID 1350417 - "Per IP in-progress sessions limit (xxx) exceeded"...

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ODD
F5
1350417

F5 - Defect ID: 1350417

"Per IP in-progress sessions limit (xxx) exceeded" message occurs before the threshold is reached

ODD
F5
1350417

F5 - Defect ID: 1350417

"Per IP in-progress sessions limit (xxx) exceeded" message occurs before the threshold is reached

Last updated on July 28th, 2026

BugZero Risk Score
5.9 Medium

Overall: 5.9

Severity: 6.4

Community: 4.2

Lifecycle: 7.0

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Bug Details

Priority: 4-Minor
Status: Verified
Impact Category: Access Policy Manager
Views: 4

Description

Symptoms

You may observe the a log message in /var/log/apm even when number of sessions are well under the "Max In Progress Sessions Per Client IP" limit configured: Access Profile <AP Name>: Per IP in-progress sessions limit (xxx) exceeded for <IP Address>

Impact

New sessions may be rejected when this message is logged.

Conditions

"Max In Progress Sessions Per Client IP" configured to 128 (or any other value)

Workaround

Refer to https://my.f5.com/manage/s/article/K29239233 and Configure a high value for "Max In Progress Sessions Per Client IP"

Fix Information

None

Change history

Links

Original Vendor Announcement

Relevant Products

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Affected versions:15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4, 15.1.10.5, 15.1.10.6, 15.1.10.7, 15.1.10.8, 16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1, 16.1.5.2, 16.1.6, 16.1.6.1, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3, 17.1.3.1, 17.1.3.2, 17.1.3.4

Fixed versions: No known fixed versions

Relevant Products

Click on a version to see all relevant bugs

Affected versions:15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4, 15.1.10.5, 15.1.10.6, 15.1.10.7, 15.1.10.8, 16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1, 16.1.5.2, 16.1.6, 16.1.6.1, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3, 17.1.3.1, 17.1.3.2, 17.1.3.4

Fixed versions: No known fixed versions

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