iRule to ping host

Your last code is correct.

 

 

Think of it this way (for more details google for TCL tutorials) :

 

 

you are callling a "function" called "log"

 

passing it two arguments, "local0." and a string.

 

 

The sting contains "expressions", the stuff between [], which are executed and replaced with the result of the expressions.

 

Your two expressions inside the string above are calls to the following functions:

 

 

https://devcentral.f5.com/wiki/irules.IP__client_addr.ashx

 

https://devcentral.f5.com/wiki/irules.LB__server.ashx

 

 

Thanks,

 

Mohamed.