Bug ID 2141089: Multicast traffic can be dropped by Host DLF rate-limiter

Last Modified: Dec 11, 2025

Affected Product(s):
F5OS F5OS-A, F5OS-C(all modules)

Known Affected Versions:
F5OS-C 1.8.1, F5OS-C 1.8.2

Opened: Oct 29, 2025

Severity: 3-Major

Symptoms

Multicast traffic from a tenant can be dropped by the host DLF rate-limiter, causing traffic loss.

Impact

Loss of multicast traffic.

Conditions

Egress multicast traffic exceeding 2500 packets per second.

Workaround

Create a static FDB entry for the multicast MAC address.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips