Bug ID 751179: MRF: Race condition may create to many outgoing connections to a peer

Last Modified: Sep 13, 2023

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

Known Affected Versions:
13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.0.1, 14.0.1.1, 14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5

Fixed In:
15.0.0, 14.1.0.6, 13.1.1.5, 11.6.5.2

Opened: Nov 27, 2018

Severity: 3-Major

Symptoms

If two different connections attempt to create an outgoing connection to a peer at the same time, multiple connections may be created, even if the peer object is configured for one connection per peer. This is due to a race condition in message routing framework during connection creation.

Impact

More than one connection to a peer is created.

Conditions

-- Two different connections attempt to create an outgoing connection to a peer at the same time. -- The peer is configured for one connection per peer.

Workaround

None.

Fix Information

Only one connection is created under these conditions.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips