Bug ID 1579181: Rate limit XBAR to sum of speeds of used interfaces

Last Modified: Jan 07, 2026

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

Known Affected Versions:
F5OS-A 1.5.0, F5OS-A 1.5.1, F5OS-A 1.5.2, F5OS-A 1.5.3, F5OS-A 1.5.4, F5OS-A 1.7.0, F5OS-A 1.8.0, F5OS-A 1.8.1

Fixed In:
F5OS-A 1.8.2

Opened: Apr 14, 2024

Severity: 3-Major

Symptoms

Dropped packets in Gearbox. (tmctl -d blade gbx_stat)

Impact

Dropped packets.

Conditions

- F5 r5000, r10000, or r12000-series appliance - Passing traffic when the sum of the speeds of enabled and used interfaces is less than 100G.

Workaround

None

Fix Information

Rate limit XBAR to avoid dropping packets in Gearbox when using interfaces with speeds less than 100G.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips