linux下配置DHCP中继代理
时间:2009-03-23 来源:sjhf
假设一台计算机做软路由,有三个网卡,连接3个不同的网段,192.168.1.1/24, 192.168.2.1/24,192.168.3.1/24;其中192.168.1.1/24这个网段有一个DHCP服务器,那怎么样设置可以使192.168.2.1/24和192.168.3.1/24这两个网段分配IP呢?
首先得在dhcp.conf文件中添加超级作用域:
ddns-update-style interim; ;指定DHCP支持的DNS动态更新为interim ignore client-updates; ;指定不允许客户机更新DNS记录。 shared-network xxxdhcp { ;超级作用域名为xxxdhcp option subnet-mask 255.255.255.0; option domain-name-servers 192.168.1.2,192.168.1.10,192.168.4.1; option broadcast-address 192.168.1.255; default-lease-time 86400; max-lease-time 172800; } subnet 192.168.1.0 netmask 255.255.255.0 { range 192.168.1.21 192.168.1.49; option routers 192.168.1.1; host pc1 { hardware ethernet MAC; fixed-address 192.168.1.20; } } subnet 192.168.2.0 netmask 255.255.255.0 { range 192.168.2.21 192.168.2.49; option routers 192.168.2.1; host pc1 { hardware ethernet MAC; fixed-address 192.168.2.20; } } subnet 192.168.3.0 netmask 255.255.255.0 { range 192.168.3.21 192.168.3.49; option routers 192.168.3.1; host pc1 { hardware ethernet MAC; fixed-address 192.168.3.20; } } linux下的DHCP客户端:/etc/sysconfig/network-scripts/ifcfg-eth0把BOOTPROTO="none"修改为BOOTPROTO="dhcp" 如果需要在系统启动时自动引导启动联网,/etc/sysconfig/networking下的networking=yes。 本文出自 “网络技术交流平台” 博客,转载请与作者联系! |
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