DHCP

Dynamic Host Configuration Protocol

Reference

tftp server: https://github.com/tftp-go-team/hooktftp
一个网络启动服务器，支持pxe: https://github.com/pojntfx/bofied

Best Practice

dhcp/conf/dhcpd.conf

 include "/var/www/html/autoinstall/dhcp/host";
 ddns-update-style interim;
 ignore client-updates;
 allow unknown-clients;
 ping-check true;

 option perform-mask-discovery  true;
 option router-discovery  true;

 #option ntp-servers 10.4.18.10,10.4.18.11; # hz ntp
 #option time-offset -18000; # Eastern Standard Time.
 #option domain-name-servers 10.0.1.127,203.196.0.6;
 option domain-search "airdb.io";
 default-lease-time 3600;
 max-lease-time 4800;


 group host_pool {
   default-lease-time 600;
   max-lease-time 600;
   allow bootp;
   allow booting;
   filename "/pxelinux.0";

   option dhcp-renewal-time 10;
   subnet 10.0.0.0 netmask 255.255.255.0 {
     option subnet-mask  255.255.255.0;
     option routers      10.0.0.1;  #default routes
     range dynamic-bootp 10.0.0.2 10.0.0.200;
   }
 }

dhcp/conf/hosts

 host rmc1.airdb.io {hardware ethernet 00:01:02:03:04:80 ;fixed-address 10.0.0.253 ;}
 host dean.airdb.io { hardware ethernet f0:76:1c:02:b1:10 ;fixed-address 10.0.0.251;}

 host dhcp_01 { hardware ethernet 00:8c:fa:eb:b4:bc ;fixed-address 10.0.0.01 ;}
 host h_02 { hardware ethernet 00:8c:fa:eb:b2:d4 ;fixed-address 10.0.0.02 ;}
 host h_03 { hardware ethernet 00:8c:fa:eb:b4:0c ;fixed-address 10.0.0.03 ;}
 host h_04 { hardware ethernet 00:8c:fa:eb:b8:08 ;fixed-address 10.0.0.04 ;}
 host h_05 { hardware ethernet 00:8c:fa:eb:b4:d0 ;fixed-address 10.0.0.05 ;}
 host h_06 { hardware ethernet 00:8c:fa:eb:b4:78 ;fixed-address 10.0.0.06 ;}

/etc/xinetd.d/tftp

 service tftp
 {
  socket_type  = dgram
  protocol  = udp
  wait   = yes
  user   = root
  server   = /usr/sbin/in.tftpd
  server_args  = -B 1380 -v -s /var/www/html/autoinstall/tftpboot
  disable   = no
  per_source  = 11
  cps   = 100 2
  flags   = IPv4
 }