how to configure data domain high availability into esrs gateway

hi all

i have to install hdata domain high availability into esrs gateway ,

as you know dd ha has 2 head with 2 serial number and , 1 ip for each head , and 1 ip ( virtual )

we have to add all ip's into esrs gateway ?

or do you know how install dd ha into esrs agteway ?

thanks in advance

regards

giacomo cester