1) IP Address and hostnames
2)


IP Address

	Node 1	Node 2
Hostname	sqlnode1	sqlnode2
IP Address        (Hearbeat)                                  Network Card 1	10.10.10.1	10.10.10.2
IP Address        (External Communication)            Network Card  2	172.168.1.1	172.168.1.2

Cluster IP Address	172.168.1.3
SQL Instance IP Address	172.168.1.4
MSDTC Virtual IP Address	172.168.1.5

Windows Failover Cluster Installation.

In Server Manager go to Add features