dhcp服务搭建
1、安装dhcp
yum install -y dhcp
2、复制dhcp配置文件到/etc/dhcp/
cp /usr/share/doc/dhcp-4.2.5/dhcpd.conf.example /etc/dhcp/dhcpd.conf
3、修改配置文件
vim /etc/dhcp/dhcpd.conf
option domain-name “suibian.com”;
option domain-name-servers 192.168.10.254,172.16.0.1;
default-lease-time 43200;
max-lease-time 86400;
log-facility local7;
subnet 172.16.0.0 netmask 255.255.0.0{
range 172.16.100.121 172.16.100.200;
option routers 172.16.100.7;
}
4、启动dhcpd服务
systemctl start dhcpd
5、配置的虚拟机网卡和dhcpd.conf的网段要一致否则服务启动失败
[[email protected] ~]# systemctl status dhcpd.service
● dhcpd.service - DHCPv4 Server Daemon
Loaded: loaded (/usr/lib/systemd/system/dhcpd.service; disabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Thu 2020-04-16 18:49:00 PDT; 2s ago
Docs: man:dhcpd(8)
man:dhcpd.conf(5)
Process: 9865 ExecStart=/usr/sbin/dhcpd -f -cf /etc/dhcp/dhcpd.conf -user dhcpd -group dhcpd --no-pid (code=exited, status=1/FAILURE)
Main PID: 9865 (code=exited, status=1/FAILURE)
Apr 16 18:49:00 localhost.localdomain dhcpd[9865]: Wrote 0 leases to leases file.
Apr 16 18:49:00 localhost.localdomain dhcpd[9865]: ved.
Apr 16 18:49:00 localhost.localdomain dhcpd[9865]: No subnet declaration for virbr0 (192.168.122.1).
Apr 16 18:49:00 localhost.localdomain dhcpd[9865]: ** Ignoring requests on virbr0. If this is not what
Apr 16 18:49:00 localhost.localdomain dhcpd[9865]: you want, please write a subnet declaration
Apr 16 18:49:00 localhost.localdomain dhcpd[9865]: in your dhcpd.conf file for the network segment
Apr 16 18:49:00 localhost.localdomain systemd[1]: dhcpd.service: main process exited, code=exited, status=1/FAILURE
Apr 16 18:49:00 localhost.localdomain systemd[1]: Failed to start DHCPv4 Server Daemon.
Apr 16 18:49:00 localhost.localdomain systemd[1]: Unit dhcpd.service entered failed state.
Apr 16 18:49:00 localhost.localdomain systemd[1]: dhcpd.service failed.
6、解决方法
网段一致的情况下才能启动dhcpd服务
大神勿喷，小弟被启动失败折腾好几个小时才找到解决办法：（