Bug ID 540484: "show sys pptp-call-info" command can cause tmm crash

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP CGN(all modules)

Known Affected Versions:
11.5.0, 11.5.1, 11.5.2, 11.5.3, 11.6.0, 12.0.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
12.1.0, 12.0.0 HF1, 11.6.1, 11.5.4

Opened: Aug 18, 2015

Severity: 2-Critical

Related Article: K04005785


Core when "show sys pptp-call-info" is called.


Traffic disrupted while tmm restarts.


On BIG-IP with fastl4 virtual server forwarding PPTP GRE traffic, TMSH "show sys pptp-call-info" command can cause crash in TMM.


Do not issue "show sys pptp-call-info" command on BIG-IP forwarding PPTP GRE traffic.

Fix Information

Fixed crash from incorrectly matching PPTP ALG traffic in forwarding fastl4 virtual server.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips