f0/0 이더넷 (ip add dhcp)

f0/1 Vment3 대역 192.168.30.3 255.255.255.0

f1/0 Vmnet4 대역 192.168.40.3 255.255.255.0

int f0/1

ip helper-address 192.168.40.4 (서버 자체의 IP 주소 입력)

access-list 1 permit 192.168.30.0 0.0.0.255

int f0/1 ip nat inside

access-list 2 permit 192.168.40.0 0.0.0.255

int f1/0 ip nat inside

int f0/0 ip nat outside

ip nat inside source list 1 int f0/0 overload

ip nat inside source list 2 int f0/0 overload

yum install -y dhcp

vi /etc/dhcp/dhcpd.conf 여기서 수정하고