Bug ID 974705: Dynamic template HA: Dynamic tunnel migration with dynamic template configuration does not work after failover when more than 24G of traffic is sent.

Last Modified: Apr 28, 2025

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

Fixed In:
16.1.0

Opened: Dec 17, 2020

Severity: 2-Critical

Symptoms

When the standby device becomes active, IPSEC tunnel load balancing may be uneven and traffic may be dropped.

Impact

- IPSEC Traffic can be dropped after a failover - Load balancing is uneven on the standby device

Conditions

-- Dynamic templates are configured -- A failover occurs

Workaround

None

Fix Information

IPSEC tunnel load balancing works correctly following a failover.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips