linux – 如何解决dhcp3中的“无免费租约”问题？

发布时间：2020-12-13 17:07:49 所属栏目：Linux 来源：网络整理

导读：我没有面临免费租赁问题.我正在构建一个新服务器.我已经成功安装了ltsp.然后,我配置了dhcp.这是我的dhcpd.conf文件. option subnet-mask 255.255.255.0;option broadcast-address 192.168.12.255;option routers 192.168.12.205;option domain-name-servers

我没有面临免费租赁问题.我正在构建一个新服务器.我已经成功安装了ltsp.然后,我配置了dhcp.这是我的dhcpd.conf文件.

option subnet-mask 255.255.255.0;
option broadcast-address 192.168.12.255;
option routers 192.168.12.205;
option domain-name-servers 192.168.12.205;

default-lease-time 600;
max-lease-time 7200;

next-server 192.168.12.205;

option root-path "192.168.12.205:/opt/ltsp/i386/";

subnet 192.168.12.0 netmask 255.255.255.0  {

range 192.168.12.55 192.168.12.100;

        host client1 {
                option root-path "192.168.12.205:/opt/ltsp/i386/";
                filename "/ltsp/i386/pxelinux.0";
                hardware ethernet 00:1d:72:04:8d:a9;
                fixed-address 192.168.12.69;
        }

}

错误是,

Dec 27 18:18:35 Dennis dhcpd: Wrote 0 leases to leases file.
Dec 27 18:23:27 Dennis dhcpd: DHCPDISCOVER from 00:1d:72:04:8d:a9 via eth0: network 192.168.12/24: no free leases

我在互联网上提到并尝试过.但是,我无法修复.

你能指导我解决这个问题吗？

解决方法

您的dhcpd可能需要对租约文件的写访问权.

从http://manpages.ubuntu.com/manpages/lucid/man5/dhcpd.leases.5.html开始：

When dhcpd is first installed,there is no lease database. However,
dhcpd requires that a lease database be present before it will start.
To make the initial lease database,just create an empty file
called /var/lib/dhcp3/dhcpd.leases. You can do this with:

touch /var/lib/dhcp3/dhcpd.leases

这应该可以解决您的问题.

（编辑：李大同）

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