Bug ID 2230137: Multicast forwarding entry might not be created during a traffic burst.

Last Modified: Mar 03, 2026

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

Known Affected Versions:
17.1.0, 17.1.0.1, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3, 17.1.3.1, 17.5.0, 17.5.1, 17.5.1.2, 17.5.1.3, 17.5.1.4, 17.5.1.5, 21.0.0, 21.0.0.1

Opened: Mar 02, 2026

Severity: 3-Major

Symptoms

When handling a traffic burst of multicast traffic going to different multicast destinations, some multicast forwarding cache entries might not be created in TMM.

Impact

Some multicast routes might not be created. Some streams might not be forwarded.

Conditions

BIG-IP configured with multicast routing.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips