If the lease time that remains on Dynamic Host Configuration Protocol (DHCP) address assigned to offline server is exceeded then another client can obtain the IP address of the problem DC.
QEMU provides its own Dynamic Host Configuration Protocol (DHCP) and Domain Name system (DNS) servers for the benefit of the guest operating system alone.
QEMU提供自身的动态主机配置协议(DHCP)和域名系统(DNS)服务器用于客户操作系统本身。
Dynamic Host Configuration Protocol (DHCP) allows a computer to obtain a network address from a DHCP server, as opposed to using a static (fixed) network address.
If the lease time that remains on Dynamic Host Configuration Protocol (DHCP) address assigned to offline server is exceeded, another client can obtain the IP address of the problem DC.
End stations may be assigned permanent IP addresses or they may borrow them as needed from a Dynamic Host Configuration Protocol (DHCP) server or other service.