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