<1>dhcp 服务器1台;
一块网卡eth0,配置如下:
IP:192.168.1.123
GATEWAY:192.168.1.1
两块网卡eth0和eth1,配置分别如下:
eth0:
IP:192.168.1.1
IP:192.168.2.1
一块网卡eth0,与dhcp服务器和dhcp中继器的eth0连接
IP:dhcp方式获得;
一块网卡eth1,与dhcp中继器的eth1网卡连接
IP:dhcp方式获得;
二、dhcp服务器的配置
1.配置IP
#netconfig (192.168.1.123)
#service network restart
#vi /etc/dhcpd.conf
ddns-update-style ad-hoc;
ignore client-updates;
default-lease-time 21600;
max-lease-time 43200;
range dynamic-bootp 192.168.1.10 192.168.1.100;
}
range dynamic-bootp 192.168.2.20 192.168.2.80;
}
三、dhcp relay中继转发服务器的配置
1.配置网卡eth0和eth1的IP
//先配置网卡eth0的IP信息
#netconfig
192.168.1.1
#service network restart
#cp ifcfg-eth0 ifcfg-eth1
#vi ifcfg-eth1
DEVICE=eth1
IPADDR=192.168.2.1
2.打开数据包转发功能
#vi /etc/sysctl.conf
:7
net.ipv4.ip_forward=1
#sysctl -p /etc/sysctl.conf
3.配置dhcp的中继功能
#vi /etc/dhcrelay
INTERFACES="eth1"
DHCPSERVERS="192.168.1.123"
#service dhcrelay restart
四、pc1和pc2分别进行获得动态IP的测试
c:>ipconfig /release
c:>ipconfig /renew
c:>ipconfig /all