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炉火纯青 发表于 2008-6-7 23:28

Linux架设DHCP服务器的方法

1、OS系统版本 W;VsY!H6x/A8yAw

c*~`zn0bb'H [root@server ~]# more /etc/redhat-release zR7\LXTj,v
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Red Hat Enterprise Linux AS release 4 (Nahant Update 4) 3h8TQe9E%b4ht{

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Lj"x!G[9o 2、查看系统是否已经安装DHCP服务端软件 $o0o_0\ea*|

2kAPg.}+WXp` [root@server ~]# rpm -qa grep dhcp $X'mPWo~So5v
\h1h5x3{L%a%W V
dhcpv6_client-0.10-14_EL4 "L1adf"f8d3_l

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eZUm G2Ce.xXP 3、将光盘mount上去，然后安装DHCP服务端软件
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sQY c,\*H{ [root@server ~]# mount /media/cdrom
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mount: block device /dev/hdc is write-protected, mounting read-only 5p%g]Z&O-}9n:IY
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[root@server RPMS]# find /media/cdrom -name "dhcp*" "_Tu#vLg
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/media/cdrom/RedHat/RPMS/dhcpv6-0.10-14_EL4.i386.rpm
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mq9D5_aaps1h` /media/cdrom/RedHat/RPMS/dhcpv6_client-0.10-14_EL4.i386.rpm
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/media/cdrom/RedHat/RPMS/dhcp-3.0.1-58.EL4.i386.rpm :];q8rqn#I

;q M-o-?3w[`/Pu /media/cdrom/RedHat/RPMS/dhcp-devel-3.0.1-58.EL4.i386.rpm
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[root@server RPMS]# rpm -ivh /media/cdrom/RedHat/RPMS/dhcp-3.0.1-58.EL4.i386.rpm
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sUE x#am+[%lM [root@server RPMS]# rpm -qa grep dhcp 7q1Wz%q:ek;N.p t

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dhcpv6_client-0.10-14_EL4 ?`#OGc&A
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V Uljn 到这儿已经安装成功了，哈哈
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/X~$\gR.c+BJ 4、查看一下，都有那些文件 dWliz,U s*u+E

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6y;kCq:TB7L'] [root@server RPMS]# rpm -ql grep dhcp 3a GNt D;NL

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/etc/dhcpd.conf ----------------------------dhcp配置文件 (z
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/etc/rc.d/init.d/dhcpd 'n:U(l w;s bZY
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/etc/rc.d/init.d/dhcrelay Ta|$e,si

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h)Fm+r?#Y/V&Y:U /etc/sysconfig/dhcpd
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~l*\'nM3y2X ly /etc/sysconfig/dhcrelay
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Pep | z4y^ /usr/bin/omshell
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SUs:r /usr/sbin/dhcpd !kle1g ^%Du6^K
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/usr/sbin/dhcrelay #_N}[w#Sq NV
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/usr/share/doc/dhcp-3.0.1
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O@)v&b!~%r+t*p /usr/share/doc/dhcp-3.0.1/README !blm},V4H
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/usr/share/doc/dhcp-3.0.1/dhcpd.conf.sample-----dhcp配置文件的模板
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"X+icx gt1| ]qe /usr/share/man/man1/omshell.1.gz
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/usr/share/man/man5/dhcp-eval.5.gz (p;xIsj a$[

3m#Qx |"j\3i_ /usr/share/man/man5/dhcpd.conf.5.gz
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/usr/share/man/man5/dhcpd.leases.5.gz C(L(ad&g8k

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| /usr/share/man/man8/dhcpd.8.gz
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/usr/share/man/man8/dhcrelay.8.gz K:E`R&NX6P

m*d,Tx&Q|~C /var/lib/dhcp
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!uO'HDm&qK /var/lib/dhcp/dhcpd.leases -----------------分配IP的那个日志文件 XV:Qt`Efpf

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G1eohfD2n;r+b 5、[root@server RPMS]# more /etc/dhcpd.conf
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)X#yAYgcvQ 这儿有没有什么东东的，还是把模板文件COPY过来吧 !Y
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[root@server RPMS]# cp /usr/share/doc/dhcp-3.0.1/dhcpd.conf.sample /etc/dhcpd.conf 'n"U%u.Y3xsNl8Z F
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6、查看配置文件，并根据自己的要求更改 ;YK.VB,mDj!Z

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[root@server RPMS]# more /etc/dhcpd.conf f5BAR#k;m j#[7k2X

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ignore client-updates; 5O'xM{Vbl
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subnet 192.168.0.0 netmask 255.255.255.0 {
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3b)C%I)@o # --- default gateway ne2v@"Y)T8j

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+O8X#}r7r(l$~Y option routers 192.168.0.1; &h \d7k0P7Nl.Bp

,ZdI-G/ve*EK8i option subnet-mask 255.255.255.0; 2\#Fnw$~&v

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k6AU # option nis-domain "domain.org";
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c$WD!c C%L@"Nj }a option domain-name "wiscom.com.cn";
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mA[\$y~ E6qS option domain-name-servers 219.141.136.10,211.147.6.3; 1[P;_Kt[1sq5wC

0~RnH4p Ylr option time-offset -18000; # Eastern Standard Time M2JOU y,]"p
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# option ntp-servers 192.168.1.1; a5z x@X
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r7G9z&kJ"E+w # option netbios-name-servers 192.168.1.1;
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,S u\!l+} # --- Selects point-to-point node (default is hybrid). Don't change this unless
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Fndo0f # -- you understand Netbios very well &KKNU,qdax,c\

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# option netbios-node-type 2;
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-f'\H O|NH range dynamic-bootp 192.168.0.128 192.168.0.254; 'du{ Ik} m? w ^
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default-lease-time 21600;
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max-lease-time 43200;
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\)j9e;kr4BN # we want the nameserver to appear at a fixed address
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host ns {
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next-server marvin.redhat.com;
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hardware ethernet 12:34:56:78:AB:CD;
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;E&FWlE"^ fixed-address 207.175.42.254; mX4w3N0M,E fY
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M{!`'W%G 7、启动DHCP服务器啦
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[root@server RPMS]# service dhcpd start 'vJ&u0bP4o;B{GHnJB

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Starting dhcpd: [ OK ] #U8@.ELNm,`%n7r,R
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R?:U*W[E 8、查看日志，看看是否有错

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[root@server RPMS]# tail -20 /var/log/messages
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1GzZ9OEA9C 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.
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$M5A]@BunV Dec 9 18:05:19 server dhcpd: Wrote 0 leases to leases file.
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Dec 9 18:05:19 server dhcpd: Internet Systems Consortium DHCP Server V3.0.1
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\,m*Y{$WqI9g2X5fU(V Dec 9 18:05:19 server dhcpd:
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p;G#fILA*~@}%e$Z| Dec 9 18:05:19 server dhcpd: Copyright 2004 Internet Systems Consortium.
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"ZFa\7V;ld Dec 9 18:05:19 server dhcpd: All rights reserved. b3T4lCOo^

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p#@tS/u e&D| Dec 9 18:05:19 server dhcpd: For info, please visit http://www.isc.org/sw/dhcp/ 1Rx#I.mh(AQ)LD
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Dec 9 18:05:19 server dhcpd: Wrote 0 deleted host decls to leases file. 7UEWqxH z9[z5j
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Dec 9 18:05:19 server dhcpd: Wrote 0 new dynamic host decls to leases file.
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Dec 9 18:05:19 server dhcpd: Listening on LPF/eth0/00:0c:29:c5:06:fc/192.168.0/24 gphP:{]!Pf

cmX*b8k |1nY1Q6v Dec 9 18:05:19 server dhcpd: Wrote 0 leases to leases file.
iD$MQ:q /d5C/V"V3^^hA
Dec 9 18:05:19 server dhcpd: Listening on LPF/eth0/00:0c:29:c5:06:fc/192.168.0/24
/?%\bb&xg5W~(i
o_&?Z!q"j Dec 9 18:05:19 server dhcpd: Sending on LPF/eth0/00:0c:29:c5:06:fc/192.168.0/24 DIn;h4V

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b 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: 0[}S!`:r7?
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Dec 9 18:05:19 server dhcpd: Sending on Socket/fallback/fallback-net
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Dec 9 18:05:19 server dhcpd: Sending on Socket/fallback/fallback-net
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u9C6Ll8ri`E Dec 9 18:05:19 server dhcpd:
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7b9]m l!P'EOkv^ Dec 9 18:05:20 server dhcpd: dhcpd startup sUCceeded

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