Half ping VS cannot be successful

Hi davidy2001 , 
    
> I think in this Case you have one of your routers down. 
so open F5 cli and write this command " ping 10.0.20.2 '' also " ping 10.0.20.3 " your routers , to test reachability for both routers from F5 perspective first. 
if your Ping gets reply from both of routers , we will troubleshoot for another workaround. 

> Also , Send a snap shot from the pool that you put both of routers " 10.0.20.2 , 10.0.20.3 " and assigned it to 
" virtual server 10.0.30.222 ". 
you will find it in ( local traffic , pools " select the routers pool I mean " 10.0.20.2 , 10.0.20.3 " , select members Tab ) 
you should find view like this : 
 
> Also try to ping from Router " 10.0.30.1" to " virtual server 10.0.30.222 " 10 times as you did before. 
and issue this command in Tmsh F5 cli " show sys connection cs-server-addr 10.0.30.222 ". 
send a snap shot from the command output , issue this command after ping directly after stopping ping from router ' do not exceed 5 seconds ' to find the output of active connections. 

I hope this help you 
Ty