Bug ID 427732: Connections using ECMP route may not be mirrored

Last Modified: Jul 12, 2023

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

Known Affected Versions:
11.4.0, 11.4.1

Fixed In:
11.5.0, 11.4.1 HF9, 11.4.0 HF4

Opened: Aug 12, 2013

Severity: 3-Major

Related Article: K14833


In an HA pair, a connection that uses an ECMP route does not establish on the standby device.(ECMP routes are marked as 'dynamic ecmp' when you use the 'tmsh show net route' command).


Connection will not survive a HA failover event.


HA pair configured to use dynamic routing with ECMP



Fix Information

Connections that rely on ECMP routes to the pool members are mirrored correctly when mirroring is enabled on the virtual.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips