A DNS application specific health monitor provides intelligence in the steering DNS queries towards the fastest responding DNS server.
Navigate to: Delivery : Load Balancing : Monitors
https://router01.branch01.example.com/tmui/Control/jspmap/tmui/dns/monitor/list.jsp
Create a monitor according to the following table:
| Setting | Value |
|---|---|
| Name | example.com_dns_monitor |
| Type | DNS |
| Query Name | www.example.com |
https://router01.branch01.example.com/tmui/Control/jspmap/tmui/dns/monitor/create.jsp
TMSH
tmsh create ltm monitor dns example.com_dns_monitor defaults-from dns qname www.example.com