DHCP

Linux

DHCPサーバー

Dynamic DNS の設定 †

• sudo vi /etc/dhcp/dhcpd.conf

  ddns-updates on;
  ddns-update-style interim;
  ignore client-updates;
  not authoritative;
  
  log-facility local7;
  
  subnet 111.222.111.0 netmask 255.255.255.0 {
  
  # --- default gateway
          option routers                  111.222.111.000;
          option subnet-mask              255.255.255.0;
  
          #option nis-domain              "domain.org";
          option domain-name              "hogehoge.foofoo";
          option domain-name-servers      111.222.112.221,111.222.222.111,111.222.222.000;
  
  #       option time-offset              -18000; # Eastern Standard Time
          option ntp-servers              111.222.222.111;
  #       option netbios-name-servers     111.222.222.111;
  
  # --- Selects point-to-point node (default is hybrid). Don't change this unless
  # -- you understand Netbios very well
  #       option netbios-node-type 2;
  
         range dynamic-bootp 111.222.111.101 111.222.111.200;
         default-lease-time 6000;
         max-lease-time 72000;
  
         # we want the nameserver to appear at a fixed address
         #host ns {
         #       next-server marvin.redhat.com;
         #       hardware ethernet 12:34:56:78:AB:CD;
         #       fixed-address 207.175.42.254;
         #}
  }
  
  zone domain.com. {
      primary 123.123.123.123;
  }
  
  zone 1.123.123.in-addr.arpa. {
      primary 123.123.123.123;
  }

LogFile の場所,ログファイル,log †

/var/lib/dhcpd/dhcpd.leases

Dynamic DNS, Unable to add forward map from 対応 †

• bind_DNS#v3bacfb3