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Linux系统下架设DHCP服务器的方法

时间:2015/6/28来源:IT猫扑网作者:网管联盟我要评论(0)

  1、OS系统版本
 
  [root@server ~]# more /etc/redhat-release
 
  Red Hat Enterprise Linux AS release 4 (Nahant Update 4)
 
  2、查看系统是否已经安装DHCP服务端软件
 
  [root@server ~]# rpm -qa | grep dhcp
 
  dhcpv6_client-0.10-14_EL4
 
  3、将光盘mount上去,然后安装DHCP服务端软件
 
  [root@server ~]# mount /media/cdrom
 
  mount: block device /dev/hdc is write-protected, mounting read-only
 
  [root@server RPMS]# find /media/cdrom -name "dhcp*"
 
  /media/cdrom/RedHat/RPMS/dhcpv6-0.10-14_EL4.i386.rpm
 
  /media/cdrom/RedHat/RPMS/dhcpv6_client-0.10-14_EL4.i386.rpm
 
  /media/cdrom/RedHat/RPMS/dhcp-3.0.1-58.EL4.i386.rpm
 
  /media/cdrom/RedHat/RPMS/dhcp-devel-3.0.1-58.EL4.i386.rpm
 
  [root@server RPMS]# rpm -ivh /media/cdrom/RedHat/RPMS/dhcp-3.0.1-58.EL4.i386.rpm
 
  [root@server RPMS]# rpm -qa | grep dhcp
 
  dhcp-3.0.1-58.EL4
 
  dhcpv6_client-0.10-14_EL4
 
  到这儿已经安装成功了,哈哈
 
  4、查看一下,都有那些文件
 
  [root@server RPMS]# rpm -ql grep dhcp
 
  ……
 
  /etc/dhcpd.conf ——dhcp配置文件
 
  /etc/rc.d/init.d/dhcpd
 
  /etc/rc.d/init.d/dhcrelay
 
  /etc/sysconfig/dhcpd
 
  /etc/sysconfig/dhcrelay
 
  /usr/bin/omshell
 
  /usr/sbin/dhcpd
 
  /usr/sbin/dhcrelay
 
  /usr/share/doc/dhcp-3.0.1
 
  /usr/share/doc/dhcp-3.0.1/README
 
  /usr/share/doc/dhcp-3.0.1/RELNOTES
 
  /usr/share/doc/dhcp-3.0.1/dhcpd.conf.sample——dhcp配置文件的模板
 
  /usr/share/man/man1/omshell.1.gz
 
  /usr/share/man/man5/dhcp-eval.5.gz
 
  /usr/share/man/man5/dhcpd.conf.5.gz
 
  /usr/share/man/man5/dhcpd.leases.5.gz
 
  /usr/share/man/man8/dhcpd.8.gz
 
  /usr/share/man/man8/dhcrelay.8.gz
 
  /var/lib/dhcp
 
  /var/lib/dhcp/dhcpd.leases ——分配IP的那个日志文件
 
  5、[root@server RPMS]# more /etc/dhcpd.conf
 
  这儿有没有什么东东的,还是把模板文件COPY过来吧
 
  [root@server RPMS]# cp /usr/share/doc/dhcp-3.0.1/dhcpd.conf.sample /etc/dhcpd.conf
 
  6、查看配置文件,并根据自己的要求更改
 
  [root@server RPMS]# more /etc/dhcpd.conf
 
  ddns-update-style interim;
 
  ignore client-updates;
 
  subnet 192.168.0.0 netmask 255.255.255.0 {
 
  # —— default gateway
 
  option routers 192.168.0.1;
 
  option subnet-mask 255.255.255.0;
 
  # option nis-domain "domain.org";
 
  option domain-name "wiscom.com.cn";
 
  option domain-name-servers 219.141.136.10,211.147.6.3;
 
  option time-offset -18000; # Eastern Standard Time
 
  # option ntp-servers 192.168.1.1;
 
  # option netbios-name-servers 192.168.1.1;
 
  # —— 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 192.168.0.128 192.168.0.254;
 
  default-lease-time 21600;
 
  max-lease-time 43200;
 
  # 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;
 
  }
 
  }
 
  上面都已经很明了,该配置的都配置了
 
  7、启动DHCP服务器啦
 
  [root@server RPMS]# service dhcpd start
 
  Starting dhcpd: [ OK ]
 
  8、查看日志,看看是否有错
 
  [root@server RPMS]# tail -20 /var/log/messages
 
  Dec 9 18:05:19 server dhcpd: Wrote 0 deleted host decls to leases file.
 
  Dec 9 18:05:19 server dhcpd: Wrote 0 new dynamic host decls to leases file.
 
  Dec 9 18:05:19 server dhcpd: Wrote 0 leases to leases file.
 
  Dec 9 18:05:19 server dhcpd: Internet Systems Consortium DHCP Server V3.0.1
 
  Dec 9 18:05:19 server dhcpd:
 
  Dec 9 18:05:19 server dhcpd: Copyright 2004 Internet Systems Consortium.
 
  Dec 9 18:05:19 server dhcpd: All rights reserved.
 
  Dec 9 18:05:19 server dhcpd: For info, please visit https://www.isc.org/sw/dhcp/
 
  Dec 9 18:05:19 server dhcpd: Wrote 0 deleted host decls to leases file.
 
  Dec 9 18:05:19 server dhcpd: Wrote 0 new dynamic host decls to leases file.
 
  Dec 9 18:05:19 server dhcpd: Listening on LPF/eth0/00:0c:29:c5:06:fc/192.168.0/24
 
  Dec 9 18:05:19 server dhcpd: Wrote 0 leases to leases file.
 
  Dec 9 18:05:19 server dhcpd: Listening on LPF/eth0/00:0c:29:c5:06:fc/192.168.0/24
 
  Dec 9 18:05:19 server dhcpd: Sending on LPF/eth0/00:0c:29:c5:06:fc/192.168.0/24
 
  Dec 9 18:05:19 server dhcpd: Sending on LPF/eth0/00:0c:29:c5:06:fc/192.168.0/24
 
  Dec 9 18:05:19 server dhcpd:
 
  Dec 9 18:05:19 server dhcpd: Sending on Socket/fallback/fallback-net
 
  Dec 9 18:05:19 server dhcpd: Sending on Socket/fallback/fallback-net
 
  Dec 9 18:05:19 server dhcpd:
 
  Dec 9 18:05:20 server dhcpd: dhcpd startup succeeded

关键词标签:DHCP服务器,Linux系统

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