1 dscontrol highavailability 2 backup 2.1 add 2.1.1 primary 2.1.1 backup 2.1.2 auto 2.1.2 manual 2.1 delete 2.2 port 2 heartbeat 2.1 add srcaddress dstaddress 2.1 delete address 2 reach 2.1 add 2.1 delete 2.2 address 2 status 2 takeover 2.1? 2.1 address