Linux架设DHCP服务器的方法
1、OS系统版本
[root@server ~]# more /etc/redhat-release
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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 Webjx.Com
[root@server ~]# rpm -qa | grep dhcp
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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
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/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
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[root@server RPMS]# rpm -qa | grep dhcp 网页教学网
dhcp-3.0.1-58.EL4 Webjx.Com
dhcpv6_client-0.10-14_EL4
到这儿已经安装成功了，哈哈
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4、查看一下，都有那些文件 Webjx.Com
[root@server RPMS]# rpm -ql grep dhcp
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... 网页教学网
/etc/dhcpd.conf ----------------------------dhcp配置文件
/etc/rc.d/init.d/dhcpd
/etc/rc.d/init.d/dhcrelay Webjx.Com
/etc/sysconfig/dhcpd
/etc/sysconfig/dhcrelay
/usr/bin/omshell
/usr/sbin/dhcpd
/usr/sbin/dhcrelay
/usr/share/doc/dhcp-3.0.1 网页教学网
/usr/share/doc/dhcp-3.0.1/README
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/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
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/usr/share/man/man5/dhcp-eval.5.gz
/usr/share/man/man5/dhcpd.conf.5.gz
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/usr/share/man/man5/dhcpd.leases.5.gz 网页教学网
/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 Webjx.Com
[root@server RPMS]# more /etc/dhcpd.conf Webjx.Com
ddns-update-style interim; Webjx.Com
ignore client-updates;
subnet 192.168.0.0 netmask 255.255.255.0 { 网页教学网
# --- default gateway
option routers 192.168.0.1;
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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; 网页教学网
option time-offset -18000; # Eastern Standard Time
# option ntp-servers 192.168.1.1;
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# option netbios-name-servers 192.168.1.1;
# --- Selects point-to-point node (default is hybrid). Don't change this unless Webjx.Com
# -- you understand Netbios very well
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# option netbios-node-type 2;
range dynamic-bootp 192.168.0.128 192.168.0.254; 网页教学网
default-lease-time 21600;
max-lease-time 43200;
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# we want the nameserver to appear at a fixed address
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host ns {
next-server marvin.redhat.com;
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hardware ethernet 12:34:56:78:AB:CD;
fixed-address 207.175.42.254;
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}
}
上面都已经很明了，该配置的都配置了 网页教学网
7、启动DHCP服务器啦 Webjx.Com
[root@server RPMS]# service dhcpd start
Starting dhcpd: [ OK ]
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8、查看日志，看看是否有错 网页教学网
[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. Webjx.Com
Dec 9 18:05:19 server dhcpd: Wrote 0 leases to leases file. 网页教学网
Dec 9 18:05:19 server dhcpd: Internet Systems Consortium DHCP Server V3.0.1
Dec 9 18:05:19 server dhcpd:
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Dec 9 18:05:19 server dhcpd: Copyright 2004 Internet Systems Consortium.
Dec 9 18:05:19 server dhcpd: All rights reserved. 网页教学网
Dec 9 18:05:19 server dhcpd: For info, please visit http://www.isc.org/sw/dhcp/
Dec 9 18:05:19 server dhcpd: Wrote 0 deleted host decls to leases file.
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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 Webjx.Com
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
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Dec 9 18:05:19 server dhcpd: Sending on LPF/eth0/00:0c:29:c5:06:fc/192.168.0/24
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Dec 9 18:05:19 server dhcpd: 网页教学网
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
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