How iRule get Destination IP of Virtual server?

Hi Phong,

there is no build-in command available to resolve a given Virtual Server name to its IP address. But you could write an iCall script to periodically enumerate your LTM configuration and create/update an internal data-group with Key=VSName and Value=VSIP.

Note: I've published an iCall script on CodeShare that created a data-group to resolve Node_IPs to Node_Names. The code can be very easily recycled to resolve VS_Name to VS_IP. Let me know if you have troubles to modify the iCall script as needed...

https://devcentral.f5.com/codeshare/periodic-icall-script-to-auto-generate-nodeip-to-nodename-datagroup-969

Cheers, Kai