no replay from any Self Ip .

Hello

 

I'm using 2 machines running BIG-IP 9.3.0 Build 192.0 . master and backup.

 

When I pinging to self ips on the backup machine there's no problem and ther's replay

 

The problem is with the Master Self Ip's . I've no replay from any Self Ip .

 

All Services working fine .

 

After I shut down the backup. the master self Ip's are replay to ping .

 

 

is somone can help with the issue ?