Monitoring Active/Standby failover

Edit /etc/alertd/alert.conf, bold lines added to the default file contents

  
  alert BIGIP_SOD_SODERR_SOD_STANDBY {  
          snmptrap OID=".1.3.6.1.4.1.3375.2.4.0.14";  
          lcdwarn description="Unit going standby." priority="0"  
          email toaddress="LTM-alert@mydomain.com"  
          fromaddress="LTM1@mydomain.com"  
          body="LTM Failover event occured: Unit going to standby"  
  }  
  alert BIGIP_SOD_SODERR_SOD_ACTIVE {  
          snmptrap OID=".1.3.6.1.4.1.3375.2.4.0.15";  
          lcdwarn description="Unit going Active." priority="0"  
          email toaddress="LTM-alert@mydomain.com"  
          fromaddress="LTM1@mydomain.com"  
          body="LTM Failover event occured: Unit going to active"  
  }  
  

This assumes you have postfix configured to forward mail to your relay.

For more details on alertd, Click here

For details on configuring postfix, Click here