Bug ID 670096: TMM may crash when a DHCP virtual server is used with an iRule involving SERVER_DATA event and TCL 'after' command.

Last Modified: Oct 08, 2018

Bug Tracker

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

Known Affected Versions:
13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3

Fixed In:
13.1.0, 13.0.1

Opened: Jun 20, 2017
Severity: 2-Critical

Symptoms

When the BIG-IP system is configured with a DHCP virtual server with an iRule, the TMM may crash when a DHCP server sends back multiple identical offers for a single request to the BIG-IP system within a certain period of time.

Impact

The TMM crashes. Traffic disrupted while tmm restarts.

Conditions

When the following conditions are met: - The BIG-IP system is configured with a virtual server with a DHCP profile and an iRule involving SERVER_DATA event and Tcl 'after' command. - A DHCP server sends back multiple identical offers for a single request to the BIG-IP system within a certain period of time.

Workaround

None.

Fix Information

The TMM no longer crashes.

Behavior Change