Bug ID 685519: Mirrored connections ignore the handshake timeout

Last Modified: Jul 12, 2023

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

Known Affected Versions:
13.1.1, 13.1.0, 13.0.1, 13.0.0, 12.1.4, 12.1.3, 12.1.2, 11.6.3, 11.6.1, 11.6.1, 11.5.9, 11.5.8, 11.5.7, 11.5.6, 11.5.5, 11.5.4, 11.5.4

Fixed In:
14.0.0, 13.1.1.4, 12.1.4.1, 11.6.4

Opened: Sep 26, 2017

Severity: 3-Major

Symptoms

Mirrored connections that do not complete the TCP 3-way-handshake do not honor the configured TCP handshake timeout on active and standby systems.

Impact

Unestablished TCP sessions in the connection table stay open for the duration of the TCP idle-timeout.

Conditions

High availability mirroring enabled on virtual server with attached FastL4 profile.

Workaround

None.

Fix Information

Mirrored connections now honor the TCP handshake timeout.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips