Last Modified: Jun 16, 2026
Affected Product(s):
BIG-IP MA-VE
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, 17.1.3.2
Opened: Apr 24, 2026 Severity: 2-Critical
TCP connections through BIG-IP VE may fail to establish due to packets containing incorrect TCP checksums
TCP and UDP connections fail. Clients receive packets with invalid checksums and drop them
-- BIG-IP VE is configured to use the DPDK network driver with Intel SR-IOV virtual functions -- The system database variable tm.tcpudptxchecksum is set to Hardware-enabled (default)
Set the tm.tcpudptxchecksum database variable to software-only: tmsh modify sys db tm.tcpudptxchecksum value software-only Alternatively, use the default native driver instead of DPDK for Intel SR-IOV virtual functions`
None