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Date: Sun, 19 Sep 1999 03:17:32 -0700
From: yoshikuni tamura <yoshikunit@earthlink.net>
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$B$3$s$K$A$oEDB<$H?=$7$^$9!#(B
$B;O$a$F;22C$5$;$F$$$?$@$-$^$9!#(B

dual ether card $B$K$D$$$F$N<ALd$J$s$G$9$,!"(B
$B8=:_(B
$B#F#r#e#e#B#S#D(B3.1
nic1: de0    (Dlink 10/100base$B!!30B&MQ(B)
nic2: ed1    (NE2000$B!!(B $B%m!<%+%kMQ(B)
$B$r(Bipnat$B$r;HMQ$7$F!"FbB&$H30B&$rJL$1$F(B
$BFbB&$OIaDL$N(B10 base LAN$B$G30B&$K(B
$B%1!<%V%k%b%G%`$r;HMQ$7$h$&$H$7$F$$$^$9!#(B

$B$G!"LdBj$J$s$G$9$,!"$I$A$i$+0l$D$N(B
$B%+!<%I$@$1;I$5$C$F$k>l9g$OLdBjL5$/(B
$B$=$N%5%V%M%C%HFb$NAj<j$+$i(Bping$B$,5"$C$F$/$k$s$G$9$,!"(B
$BFsKg$5$9$H!"%m!<%+%k$NJ}$+$i$7$+(Bping$B$,5"$C$F$-$^$;$s!#(B
nic1 ed0$B!J30B&MQ!K<+BN$N#I#P$+$i$O5"$C$F$/$k$N$G!"(B
$B%+!<%I$,$*$+$7$$$$$o$1$G$bL5$5$=$&$G!"$?$@(B
nic2 ed0 $B$+$i30$K=P$i$l$J$$>uBV$K@.$C$F$kMM$J$s$G$9$,!)(B

$B0l1~:#$d$m$&$H$7$F$k%M%C%H%o!<%/@_Dj$r=q$$$F$*$-$^$9!#(B
  win98$BEy(B    -->    nic1 ed1 --> ipnat    -->  nic2  de0 --> cablemodem
192.168.1.10 ->  192.168.$B#1(B.1 --IP$BJQ49(B--->   global ip

rc.conf:
static_routes="nat"
route_nat="192.168.1.0 -netmask 255.255.255.0 -interface 192.168.1.1"
network_interfaces="de0 ed1 lo0"
ifconfig_de0="inet $B$b$i$C$?#I#P(B  netmask 255.255.255.0"
ifconfig_ed1="inet 192.168.1.1 netmask 255.255.255.0"
igateway_enable="YES"
defaultrouter="$B%1!<%V%k2q<R$N%2!<%H%&%'%$(B"

natrules:
map ed0 192.168.1.0/24 -> $B$b$i$C$?#I#P(B/32 portmap tcp/udp 10000:65000

$B>e$G@_Dj$7$F$_$?$s$G$9$,>e5-$K>uBV$K$J$j$^$7$?!#(B
$B$*<j?t$G$9$,!"$*Ez$(D:$1$1$^$;$s$G$7$g$&$+!#(B

