Bug ID 715820: vCMP in HA configuration with VIPRION chassis might cause unstable data plane

Last Modified: Feb 20, 2019

Bug Tracker

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

Known Affected Versions:
13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 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, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4

Fixed In:
14.1.0, 13.1.0.8

Opened: Apr 18, 2018
Severity: 2-Critical
Related AskF5 Article:
K61422392

Symptoms

When multiple vCMP guests are deployed in a high availability (HA) with VIPRION chassis, the data plane cluster might become unstable. When this issue occurs, the system posts repeated log messages in /var/log/ltm similar to the following: -- CDP: exceeded 1/2 timeout for PG 3

Impact

Unstable data plane might cause traffic disruption/packet drops.

Conditions

-- Multiple vCMP guests are deployed. -- HA configured. -- Using VIPRION chassis.

Workaround

None.

Fix Information

This issue no longer occurs.

Behavior Change