linux:dhcp

DHCPサーバー

$ sudo dnf install dhcp
$ sudo cp /etc/dhcp/dhcpd.conf /etc/dhcp/dhcpd.conf.org

サンプルを元に修正する場合は、以下のファイルをコピーする。

$ sudo cp /usr/share/doc/dhcp-server/dhcpd.conf.example /etc/dhcp/dhcpd.conf
$ sudo vi /etc/dhcp/dhcpd.conf
#
# DHCP Server Configuration file.
#
 
ddns-update-style interim;
ignore client-updates;
 
subnet 192.168.1.0 netmask 255.255.255.0 {
    authoritative;
 
    option routers 192.168.1.254;
    option subnet-mask 255.255.255.0;
 
    option domain-name "fireball.local";
    option domain-name-servers blue-dc, blue-ns, tomoyan-wrt;
 
    option ntp-servers blue-dc;
    option time-offset 32400; # Japan Standard Time
#    option netbios-name-servers blue-dc;
#    option netbios-node-type 2;
    option root-path "/opt/ltsp/i386";
    if substring( option vendor-class-identifier, 0, 9 ) = "PXEClient" {
        filename "/ltsp/i386/pxelinux.0";
    } else {
        filename "/ltsp/i386/nbi.img";
    }
    next-server 192.168.1.15;
 
    range 192.168.1.150 192.168.1.199;
    range dynamic-bootp 192.168.1.91 192.168.1.100;
    default-lease-time 21600;
    max-lease-time 43200;
}
 
#host blue-work-sv {
#    hardware ethernet 52:54:00:1D:7E:B2;
#    fixed-address 192.168.1.80;
#}
$ sudo dhcpd -t
Internet Systems Consortium DHCP Server 4.3.6
Copyright 2004-2017 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
ldap_gssapi_principal is not set,GSSAPI Authentication for LDAP will not be used
Not searching LDAP since ldap-server, ldap-port and ldap-base-dn were not specified in the config file
Config file: /etc/dhcp/dhcpd.conf
Database file: /var/lib/dhcpd/dhcpd.leases
PID file: /var/run/dhcpd.pid
Source compiled to use binary-leases

dhcpサービスを許可する。

$ sudo firewall-cmd --permanent --add-service=dhcp
success

設定を反映する。

$ sudo firewall-cmd --reload
success

設定を確認する。(dhcpが含まれていること)

$ sudo firewall-cmd --list-services
dhcp dhcpv6-client ipp-client mdns
$ sudo systemctl enable dhcpd.service
$ sudo systemctl start dhcpd.service
  • linux/dhcp.txt
  • 最終更新: 2019/05/18 02:23
  • by 非ログインユーザー