Last Modified: Oct 15, 2025
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
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
Opened: Jun 25, 2025 Severity: 3-Major
Tmm crashes while passing traffic. The stack trace has an error "master shouldn't receive a CMP nexthop". /var/log/ltm contains an error err clusterd[9555]: 013a0004:3: Local slot 1: not getting clusterd pkts from slot 2; timed out on mgmt_bp after 10 seconds. Marking peer slot 2 SS_FAILED err clusterd[9555]: 013a0014:3: Blade 1: blade 2 FAILED
Traffic disrupted while tmm restarts.
-- BIG-IP running as a tenant on VELOS -- The VELOS system is running a version that fixes ID 1556173 and 1559525 https://cdn.f5.com/product/bugtracker/ID1556173.html https://cdn.f5.com/product/bugtracker/ID1559525.html
The workaround for this core not to happen is to upgrade to F5OS-C-1.6.2-37604.EHF-8.
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