When the database variable tm.tcpudptxchecksum is configured as non-default value Software-only on a BIG-IP system, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Published October 15, 2025.
F5 Big-ip Local Traffic Manager
F5 Big-ip Application Visibility And Reporting
F5 Big-ip Ddos Hybrid Defender
F5 Big-ip Application Security Manager
F5 Big-ip Application Acceleration Manager
F5 Big-ip Automation Toolchain
F5 Big-ip Container Ingress Services
F5 Big-ip Advanced Firewall Manager
F5 Big-ip Access Policy Manager
F5 Big-ip Policy Enforcement Manager
F5 Big-ip Fraud Protection Service