irule for base on source ip

Nice reply also in addition to this I will say one thing I am sure currently you don't have a correct monitor on your gateway pool which has the IP address of all the Three ISP routers. So when any of the link is down it still sends the traffic to that SNAT as for the F5 device the status is unknown. I would like to request Bhattman if you can explain how a monitor can be made that can access a google or any website at certain interval both "http & https" to declare that the internet is live through that link.

Regards,