I get these periodically during the day on the router syslog. Feb 16 19:33:22.817 EDT: %RADIUS-4-RADIUS_DEAD: RADIUS server x.x.x.x:1645,1646 is not responding.Feb 16 19:33:22.817 EDT: %RADIUS-4-RADIUS_ALIVE: RADIUS server x.x.x.x:1645,1646 is being ...