Radiator Server Documentation — v10.34.1
Applying TACACS+ TLS keepalive failed
Applying TCP keepalive to a TACACS+ TLS connection failed.
Emission
Log level: DEBUG
Per-request tracing: No
Promotion: WARN
Logged when the operating system rejects the configured keepalive settings for a TACACS+ TLS peer.
Inspect the error and review the listener keepalive
values supported by the operating system.