Figure 3-3 IPv4 address plan with two subnets Figure 3-2 Use of single IPv4 subnet Figure 3-2 shows the use of the same IPv4 subnet for management and iSCSI addresses. You can set up a similar configuration using IPv6 addresses. Figure 3-3 shows the use of two separate IPv4 subnets for management and iSCSI  addresses. Chapter 3. Planning  53