DHCP $B%5!<%p(b

$B$3$3$G$O!"%O%C%/%-%C%H$r;H$C$F(B DHCP $B%5!<%p$r9=c[$7$^$9!#(b
$B%O%C%/%-%C%H$K$O!"(B $B$9$G$K(B dhcpd $B$,%$%s%9%H!<%k:q$_$j$n$g!"(b $B@_Dj$@$1$G(B DHCP $B%5!<%p$k$9$k$3$h$,$g$-$^$9!#(b

dhcpd.conf $B$N@_Dj(B

/etc/dhcpd.conf $B$r%F%-%9%H%(%G%#%?$GJT=8$7$^$9!#(B

subnet 192.168.1.0 netmask 255.255.255.0 {
 option routers 192.168.1.1;
 option subnet-mask 255.255.255.0;
 option domain-name "example.jp";
 option domain-name-servers 192.168.1.2;
 option ntp-servers 192.168.1.8;
 range dynamic-bootp 192.168.1.121 192.168.1.140;
 default-lease-time 21600;
 max-lease-time 43200;
}

$B$3$NNc$G$O!"(B
• $B@\B3$7$F$$$k%M%C%H%o!<%/$o!"(b192.168.1.0/32
  
• $B%k!<%?$n%"%i%l%9$o$o!"(b192.168.1.1
  
• $B%5%V%M%C%H%^%9%/$O!"(B255.255.255.0
  
• $B%I%a%$%sL>$O!"(Bexample.jp
  
• DNS $B%5!<%p$o!"(b192.168.1.2
  
• ntp $B%5!<%p$o!"(b192.168.1.8
  
• DHCP $B$G3d$jEv$F$k%"%I%l%9$O(B 192.168.1.121 $B$+$i(B 192.168.1.140
  
• $BB_$7=P$74|4V$O(B 21600 $BIC(B(6$B;~4V(B)
  
• $B:GBgB_$7=P$74|4V$O(B 43200 $BIC(B(12$B;~4V(B)
  

  $B$J$*!";d$O!"(B

  host bibgon {
   hardware ethernet 00:40:26:b0:10:xx;
   fixed-address 192.168.1.21;
  }

  $B$H$$$C$?Iw$K!"(B $B$9$Y$F$N%^%7%s$K8GDjE*$K(B IP $B%"%I%l%9$r3d$jEv$F$k$h$&$K$7$F$$$^$9!#(B

dhcpd $B$N5/F0(B

[root@hackkit /root]# /etc/rc.d/init.d/dhcpd start
dhcpd$B$r5/F0Cf(B: [ OK ]

/var/log/messages $B$K$O(B

Apr 6 02:13:45 hackkit dhcpd: Internet Software Consortium DHCP Server 2.0pl5
Apr 6 02:13:45 hackkit dhcpd: Copyright 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium.
Apr 6 02:13:45 hackkit dhcpd: All rights reserved.
Apr 6 02:13:45 hackkit dhcpd:
Apr 6 02:13:45 hackkit dhcpd: Please contribute if you find this software useful.
Apr 6 02:13:45 hackkit dhcpd: For info, please visit http://www.isc.org/dhcp-contrib.html
Apr 6 02:13:45 hackkit dhcpd:
Apr 6 02:13:45 hackkit 4$B7n(B 6 02:13:45 dhcpd: Internet Software Consortium DHCP Server 2.0pl5
Apr 6 02:13:45 hackkit 4$B7n(B 6 02:13:45 dhcpd: Copyright 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium.
Apr 6 02:13:45 hackkit 4$B7n(B 6 02:13:45 dhcpd: All rights reserved.
Apr 6 02:13:45 hackkit 4$B7n(B 6 02:13:45 dhcpd:
Apr 6 02:13:45 hackkit 4$B7n(B 6 02:13:45 dhcpd: Please contribute if you find this software useful.
Apr 6 02:13:45 hackkit 4$B7n(B 6 02:13:45 dhcpd: For info, please visit http://www.isc.org/dhcp-contrib.html
Apr 6 02:13:46 hackkit 4$B7n(B 6 02:13:45 dhcpd:
Apr 6 02:13:45 hackkit dhcpd: Listening on Socket/eth0/192.168.1.0
Apr 6 02:13:45 hackkit dhcpd: Sending on Socket/eth0/192.168.1.0
Apr 6 02:13:46 hackkit 4$B7n(B 6 02:13:45 dhcpd: Listening on Socket/eth0/192.168.1.0
Apr 6 02:13:46 hackkit 4$B7n(B 6 02:13:45 dhcpd: Sending on Socket/eth0/192.168.1.0
Apr 6 02:13:46 hackkit 4$B7n(B 6 02:13:45 dhcpd: dhcpd$B5/F0(B succeeded

$B$3$N$h$&$J%m%0$,;D$j$^$9!#(B

$BF0:n3NG'(B

DHCP $B%/%i%$%"%s%H$r%M%C%H%o!<%/$k@\b3$7!"@5>o$K%"%I%l%9$,(B $BJ'$$=P$5$l$F$$$k$3$H$r3NG'$7$^$9!#(B
$B%O%C%/%-%C%HB&$G$O!"(B
/var/log/messages $B$K(B

Apr 6 02:15:04 hackkit dhcpd: DHCPDISCOVER from 00:40:26:b0:10:xx via eth0
Apr 6 02:15:05 hackkit dhcpd: DHCPOFFER on 192.168.1.121 to 00:40:26:b0:10:xx via eth0
Apr 6 02:15:08 hackkit dhcpd: DHCPDISCOVER from 00:40:26:b0:10:xx via eth0
Apr 6 02:15:08 hackkit dhcpd: DHCPOFFER on 192.168.1.121 to 00:40:26:b0:10:xx via eth0
Apr 6 02:15:15 hackkit dhcpd: DHCPDISCOVER from 00:40:26:b0:10:xx via eth0
Apr 6 02:15:15 hackkit dhcpd: DHCPOFFER on 192.168.1.121 to 00:40:26:b0:10:xx via eth0
Apr 6 02:15:15 hackkit dhcpd: DHCPREQUEST for 192.168.1.121 from 00:40:26:b0:10:xx via eth0
Apr 6 02:15:15 hackkit dhcpd: DHCPACK on 192.168.1.121 to 00:40:26:b0:10:xx via eth0

$B$3$N$h$&$J%m%0$,!"(B
/var/lib/dhcp/dhcp.release $B$K(B

lease 192.168.1.121 {
 starts 1 2004$BG/(B04$B7n(B05$BF|(B 17:15:15;
 ends 1 2004$BG/(B04$B7n(B05$BF|(B 23:15:15;
 hardware ethernet 00:40:26:b0:10:xx;
 uid 01:00:40:26:b0:10:xx;
 client-hostname "bibgon";
}

$B$3$N$h$&$J=PNO$,$5$l$F$$$k$3$H$r3NG'$7$^$9!#(B

dhcpd $B$N<+f05/f0(b

chkconfig $B$r;H$C$F!"5/F0;~$K(B dhcpd $B$,5/F0$9$k$h$&$K@_Dj$7$^$9!#(B

[root@hackkit /root]# chkconfig dhcpd on
[root@hackkit /root]# chkconfig --list dhcpd
dhcpd 0:off 1:off 2:off 3:on 4:on 5:on 6:off