What is the best wayto right Option 43 Command if I have more than 1 controller for example Master IP:192.168.1.100 and stand by Master IP :192.168.1.101 and 2 local controller ,local 1 IP:192.168.1.102,Local 2 IP:192.168.1.104 How I can Type Option 43 command for all of this Controllers,Kindly I Need to understand this process.