Bug ID 421964: One-way packet loss on a LACP-enabled link and link aggregation

Last Modified: Feb 13, 2019

Bug Tracker

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

Known Affected Versions:
11.2.0, 11.2.1, 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4

Fixed In:
11.6.0, 11.5.1 HF5, 11.4.1 HF6, 11.2.1 HF11

Opened: May 28, 2013
Severity: 3-Major
Related AskF5 Article:
K15964

Symptoms

When there is one-way packet loss on a LACP-enabled link, the packet-loss side BIG-IP system still aggregates the LACP link.

Impact

Unidirectional packet loss causes only one unit to remove link from LACP aggregation

Conditions

LACP configured.

Workaround

None.

Fix Information

BIG-IP system now correctly aggregates an LACP-enabled link.

Behavior Change