Last Modified: Jan 07, 2026
Affected Product(s):
BIG-IP APM
Known Affected Versions:
11.5.1, 11.5.1 HF1, 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, 11.5.1 HF10, 11.5.1 HF11
Fixed In:
11.6.0, 11.5.2
Opened: May 21, 2014 Severity: 3-Major Related Article:
K16892
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.
An issue that caused PPP tunnels to remain open after the session gets closed has been fixed.