Bug ID 463651: PPP tunnels remain open after session gets closed

Last Modified: Oct 06, 2020

Bug Tracker

Affected Product:  See more info
BIG-IP APM(all modules)

Known Affected Versions:
11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.10

Fixed In:
11.6.0, 11.5.2, 11.4.1 HF9

Opened: May 21, 2014
Severity: 3-Major
Related AskF5 Article:


Point-to-Point Protocol (PPP) tunnels remain open after session gets closed. APM logs of PPP tunnel closed appears much later than Session closed log.


Holds resources on server side.


This can occur with Gzip compression configuration and may sometimes happen randomly.


This issue has no workaround at this time.

Fix Information

An issue that caused PPP tunnels to remain open after the session gets closed has been fixed.

Behavior Change