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To: FreeBSD-users-jp@jp.freebsd.org
From: Michiya Ogawa <ogawa@genesis.co.jp>
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$B>.@n!w%8%'%M%7%9$G$9!#(J

$B8=:_%5%V%M%C%H$N8!F$$r$7$F$$$k$N$G$9$,!"(J
$B$"$kK\$G(J CLASS B$B$N%5%V%M%C%H2=$N$3$H$,=q$$$F$"$j$^$7$?!#(J
$BNcBj$G$O!"%"%I%l%9(J 172.16.0.0$B$r%5%V%M%C%H$9$k$H$-(J

$B%S%C%H(J   $B%5%V%M%C%H%"%I%l%9(J
000	(172.16.0.0)
001	 172.16.32.0
010	 172.16.64.0
011	 172.16.96.0
100	 172.16.128.0
101	 172.16.160.0
110	 172.16.192.0
111	(172.16.224.0)
$B$H$J$j!"$3$N$&$A%S%C%H%Q%?!<%s$,(J"000"$B$H(J"111"$B$O!"(J
$B%M%C%H%o!<%/%"%I%l%9(J	172.16.0.0
$B%V%m!<%I%-%c%9%H%"%I%l%9(J	172.16.255.255
$BEy$H6hJL$,$D$+$J$/$J$k$N$GDL>o;H$o$J$$$H$+$+$l$F$$$^$9!#(J

$B$G$O!"(Jclass c$B$N%5%V%M%C%H2=$G!"0J2<$N$H$-$I$&$J$k$N$G$7$g$&$+!)(J

192.168.10.0$B$r#88D$K%5%V%M%C%H2=$7$?>l9g!#(J

netmask 255.255.255.224
net1	192.168.10.0
net2	192.168.10.32
net3	192.168.10.64
net4	192.168.10.96
net5	192.168.10.128
net6	192.168.10.160
net7	192.168.10.192
net8	192.168.10.224
$B$3$N$&$A(Jnet1$B$H(Jnet8$B$O!";H$($J$$$s$G$7$g$&$+!)(J
$B%k!<%?$K$h$C$F$O!"(J192.168.10.0$B$H$$$&%5%V%M%C%H$b2DG=$J$h$&$G$9$,!"(J
FreeBSD$B$G$3$N$h$&$J%5%V%M%C%H$N%k!<%F%#%s%0$O$G$-$k$s$G$7$g$&$+!)(J

                                      FireWall
---[192.168.10.1]=========[192.168.10.4]------[192.168.10.33] --------
   router(YAMAHA)                     FreeBsd
network      192.168.10.0                               192.168.10.32
netmask      192.168.10.224                             192.168.10.224

$B$I$J$?$+$4B8CN$G$7$?$i2rEz$*4j$$$7$^$9!#(J



--------------------------System House Genesis
 $B>.@n(J $BDLLi(J [Michiya Ogawa]
E-Mail:   ogawa@genesis.co.jp
HomePage: http://www.genesis.co.jp/~ogawa/
----------------------------------------------
