Symptoms
The MAC masquerade feature is only supported on BIG-IP tenant versions 15.1.6 and later. Using the feature in an HA pair can cause traffic to fail over incorrectly between the pair.
Impact
Traffic may be degraded on a failover between an HA pair.
Conditions
MAC masquerade is used on rSeries with BIG-IP tenant versions other than 15.1.6 and later.
Workaround
Upgrade BIG-IP tenant version to 15.1.6 or later.
