Bug ID 2461221: The workaround for Bug ID 694707 (Hardware Crypto Offload is not compatible with HTTP/3 / QUIC) may result in performance degradation for other virtual servers that use encryption.

Last Modified: Aug 30, 2026

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

Known Affected Versions:
16.1.6.1, 17.1.3.4, 17.5.1.8, 21.0.0.3, 21.1.0.1

Opened: Aug 18, 2026

Severity: 3-Major

Symptoms

The workaround for Bug ID 694707 : tmsh modify sys db crypto.hwacceleration value disable may result in performance degradation for other virtual servers that use encryption

Impact

Performance degradation for other virtual servers that use encryption

Conditions

Workaround for Bug 694707 applied to a BIG-IP appliance, cluster, tenant, or vCMP guest

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips