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Date: Sat, 17 Jun 2000 12:29:15 +0900
From: SaitoMasaru <daisaito@lares.dti.ne.jp>
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$Bc7F#!w@n:j$G$9!#(B

$B=i?4<T$G<ALd$N;EJ}$K<:Ni$,$"$k$+$b$7$l$^$;$s$,!"(B
$B$=$&$$$&ItJ,$O$4;XE&$/$@$5$$!#(B


$B:#2s!"J#?t$N%M%C%H%o!<%/$r7k$V(BIP$B%k!<%?$r:n$m$&$H;W$C$?$N$G$9$,!"(B
$B$&$^$/$$$-$^$;$s!#(B

Network$B$N9=@.$O0J2<$NDL$j$G$9!#(B

Internet
    |
    |x.x.x.x(Global)
+---+----+
| RTA50i |(Dialup Rooter)
+---+----+  
    |192.168.0.1
    |
    |192.168.0.100[fxp0]
+---+----+
| outsvr |(FreeBSD)
+---+----+
    |192.168.1.100[de0]
    |
    |192.168.1.101[fxp0]
+---+----+
| insvr  |(FreeBSD)
+---+----+
    |192.168.2.100[de0]
    

outsvr$B$N$[$&$O(Bnatd+ipfw$B$G$9!#(B

$B%]%j%7!<$H$7$F$O(B

(1)192.168.0.x $B$+$i$O(B 192.168.1.x $B$H(B 192.168.2.x $B$O8+$($J$$(B
(2)192.168.1.x $B$H(B192.168.2.x$B$+$i$O(B Internet$B$*$h$S(B192.168.0.x $B$,8+$($F(B
  $B$J$*$+$D(B192.168.1.x $B$H(B 192.168.2.x $B$N$9$Y$F$,8+$($k!#(B

(1)$B$O(Bnatd+ipfw$B$G$&$^$/$$$C$?$N$G$9$,!"(B(2)$B$,$&$^$/$$$-$^$;$s!#(B
$B>u67$H$7$F$O!"(B192.168.1.x$B$+$i$O(BInternet$B$*$h$S(B 192.168.0.x $B$,8+$($k$N$G$9$,(B
192.168.2.x $B$+$i$O30$K=P$F$$$+$J$$$N$G$9!#(B

$B$A$J$_$K(Binsvr$B$b(Bnatd+ipfw$B$@$H!"(B192.168.2.x $B$+$i(B Internet $B$*$h$S(B 192.168.0.x $B$O(B
$B8+$l$k$N$G$9$,!"$3$l$@$H!"(B192.168.1.x$B$+$i(B192.168.2.x $B$,8+$($^$;$s!#(B

kernel$B$O(BGENERIC$B$N$^$^$G$9!#(B(natd+ipfw$B$G:n$C$?(Bkernel$B$G$b7k2L$OF1$8$G$7$?!#(B)
$B$H$j$"$($:!"(Binsvr$BB&$N(B/etc/rc.conf$B$O0J2<$NDL$j$K$J$C$F$*$j$^$9!#(B

network_interfaces="fxp0 de0 lo0"
ifconfig_fxp0="inet 192.168.1.101  netmask 255.255.255.0"
ifconfig_de0="inet 192.168.2.100  netmask 255.255.255.0"
ifconfig_lo0="inet 127.0.0.1"
gateway_enable="YES"
static_routes="local global"
route_local=" -net 192.168.2.0 -netmask 255.255.255.0"
route_global=" -net 192.168.1.0 -netmask 255.255.255.0 192.168.1.100"
router_enable="YES"
router="routed"
defaultrouter="192.168.1.100"
hostname="insvr"

$B$b$7$+$7$?$i(B natd+ipfw $B$G$b2DG=$+$b$7$l$J$$$H;W$C$F$$$m$$$m<B83$7$?$N$G$9$,(B
$B$9$Y$F%@%a$G$7$?!#(B


-=-=-=-=-=-=-
$Bc7F#(B $BBg!!(BSaito Masaru
daisaito@lares.dti.ne.jp
-=-=-=-=-=-=-

