Bug ID 761753: BIG-IP system incorrectly flags UDP checksum as failed on x520 NICs

Last Modified: Jul 09, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP All(all modules)

Known Affected Versions:
13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.4, 14.1.0.5, 14.1.0.6, 15.0.0

Opened: Mar 18, 2019
Severity: 3-Major

Symptoms

When UDP checksum is 0 (zero), a BIG-IP device with an x520 NIC causes the packets to be marked as 'checksum failed'.

Impact

UDP Packets with 0 checksum are dropped.

Conditions

-- Using BIG-IP Virtual Edition (VE). -- VE is using x520 VF.

Workaround

None.

Fix Information

None

Behavior Change