Bug ID 605480: BIG-IP sends MP_FASTCLOSE after completing active close of MPTCP connection

Last Modified: Mar 21, 2019

Bug Tracker

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

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 11.6.1 HF1, 11.6.1 HF2, 11.6.2, 11.6.2 HF1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3

Fixed In:
13.0.0, 12.1.3.4

Opened: Jul 18, 2016
Severity: 3-Major

Symptoms

After completing an active close of an MPTCP connection, the BIG-IP sends MP_FASTCLOSE.

Impact

The BIG-IP retransmits MP_FASTCLOSE after the connection closing is complete until the maximum number of retransmissions is reached.

Conditions

A TCP profile with Multipath TCP enabled is attached to a virtual server, and MPTCP performs an active close of a connection.

Workaround

None

Fix Information

Fixed sequence of events on connection closure.

Behavior Change