Last Modified: Aug 30, 2026
Affected Product(s):
BIG-IP Install/Upgrade, LTM
Known Affected Versions:
17.5.1.6, 17.5.1.8
Opened: Jul 14, 2026 Severity: 1-Blocking
Intermittent traffic failures for a tenant running BIG-IP v17.5.1.6 or above This often manifests as ICMP monitors failing
Intermittent traffic disruption. This often manifests as ICMP monitors intermittently failing, but it will also impact virtual server traffic and other protocols (e.g., UDP and TCP)
- Tenant running BIG-IP v17.5.1.6 or above - Host is one of the following platforms: - r5000, r10000, or r12000-series appliance - VELOS - Host is running a version prior to F5OS-A 1.8.0 (rSeries appliance) or F5OS-C 1.8.0 (VELOS chassis)
Upgrade F5OS to version 1.8.0 or higher
None