Last Modified: Jun 18, 2026
Affected Product(s):
BIG-IP LTM
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, 17.5.0, 17.5.1, 17.5.1.2, 17.5.1.3, 17.5.1.4, 17.5.1.5, 17.5.1.6, 21.0.0, 21.0.0.1
Opened: May 27, 2026 Severity: 3-Major
The tmsh show sys performance throughput Output value displays 0 on BIG-IP VE despite normal data plane traffic. The tx_hw_drop counter on the external interface increments while tx_pkts and bytes_out remain at 0. Monitoring and SNMP tools relying on throughput statistics report incorrect values
Throughput monitoring and reporting show incorrect values. Actual data plane traffic is not affected
BIG-IP VE using the socket network driver. This applies to virtual edition deployments across all hypervisors and cloud platforms, including Azure, AWS, VMware, KVM, and Hyper-V
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