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Date: Tue, 01 Mar 2005 22:49:01 +0900
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Subject: [FreeBSD-users-jp 83169] Re: NAT+ =?ISO-2022-JP?B?GyRCNEobKEI=?=
 =?ISO-2022-JP?B?GyRCMFcbKEI=?= DMZ
 =?ISO-2022-JP?B?GyRCO34kThsoQg==?= IPFW
 =?ISO-2022-JP?B?GyRCQF9EahsoQg==?= 
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$BDELn$H?=$7$^$9!#(B

>       FTTH (pcn1)
>         |
> +------+--------+        $B4J0W(BDMZ
> |FreeBSD$B%k!<%?!<(B +---- $B8x3+%5!<%P!<72(B (pcn0)
> +------+--------+      $B%0%m!<%P%k(BIP
>         | NAT(tun0)
>        LAN (vr0)

$B$3$3$NItJ,$G$$$-$J$j4V0c$($i$l$F$$$k$N$G$9$,!"(Btun0 $B$O(B FTTH $BB&$N%G%P%$%9(B
$B$G$9!#(B


> $B$H$$$&$3$H$O(BNAT$B$r$+$1$F$$$k>l9g!"30It$+$iF~$C$F$/$k%Q%1%C%H$O30It(BNIC$B$rDL$C$F$$$k$HG'<1$5$l$:!"(B
> $BA4$F%H%s%M%k%G%P%$%9$rDL$C$F$/$k$H8@$&;v$G$7$g$&$+!)(B
> $B$=$&$J$k$H!"(BIPFW$B$NB>$N@_Dj$bA4$F(B tun0 $B$KBP$7$F@_Dj$r$9$kI,MW$H$J$j$^$9$h$M!#(B

/usr/sbin/ppp $B$O(B IPv4$B$N>l9g!"%$%s%?!<%U%'%$%9$K(B tun $B%G%P%$%9$r;HMQ$7$^$9!#(B
pcn1 $B$NJ}$O(B PPPoE $B$NO@M}E*$J%G%P%$%9$H$7$F$OA4$/;H$o$l$^$;$s!#(B

$B$b$A$m$sJ*M}E*$J%G%P%$%9$H$7$F$O!"(Bpcn1 $B!J$G$"$k(BNIC$B!K$r;HMQ$7$F$$$^$9$,!"(B
$BO@M}E*$K$O(B pcn1 $B$O!V(BPPPo$B!W$,$D$+$J$$C1$J$k(B Ether $B$G!"30It$H$NDL?.$H$O(B
$B<B<AL54X78$G$9!#(B

$B$G$9$N$G(B pcn1 $B$NJ}$r%U%#%k%?%j%s%0@_Dj$7$F$b30It$X$N@\B3$K$O$[$\4X78$,(B
$B$"$j$^$;$s!#(B

$B$J$N$G!"30B&$N@_Dj$OA4$F(B tun0 $B$K$J$j$^$9!#(B
IP $B$O(B tun0 $B$K3d$jEv$F$i$l$?(B IP$B!"(Bin/out via $B$b(B tun0 $B$r;XDj$7$^$9!#(B
$B$?$@!"8GDj(BIP$B$H$N$3$H$G$9$N$G!"(BIP $B%Y!<%9$G@_Dj$7$F$bNI$$$H;W$$$^$9$,!#(B


> $B%Q%1%C%H$NN.$l$O(B pcn1 $B"*(B pcn0 $B$^$?$O(B pcn1 $B"*(B tun0 $B"*(B pcn0 $B$X$HDL$k$H;W$C$F$$$?$N$G$9$,!"G'<1(B
> $BITB-$J$N$G$7$g$&$+!#(B

$B%Q%1%C%H$NN.$l$O!"(B

Internet $B"*(B tun0 $B"*(B [NATd/ipfw] $B"*(B pcn0$B!J$^$?$O(Bvr0/pcn1$B!K(B

$B$G$9!#(B
$B30It$H$NDL?.$K$O(B pcn1 $B$OO@M}E*%G%P%$%9$H$7$F$O4X78M-$j$^$;$s!#(B

> $B$G$-$l$P!"(Bpcn1$B$KBP$7$F%U%#%k%?%j%s%0=hM}$r$+$1$?$$$N$G$9$,!"$$$m$$$mC5$7$F$_$F$b!"DL>o$N(B nat $BNc(B
> $B$7$+8+$D$+$i$J$$$h$&$J$N$G!"$4B8$8$NJ}$,$$$i$C$7$c$$$^$7$?$i$465<x$r$P!#(B

$B$3$N$"$?$j$NM}M3$,NI$/$o$+$i$J$$$N$G$9$,!"(Bpcn1 $BB&$KB>$KC<Kv$,(B LAN $B$G(B
$B@\B3$5$l$F$$$k$N$G$7$g$&$+!)(B
$BL5$1$l$P!"%U%#%k%?%j%s%0$I$3$m$+(B IP $B$r3d$jEv$F$kI,MW$9$i$J$$$/$i$$$G$9!#(B




///////////////////////////////////////
/  TSUNO Teppei                       /
/                                     /
/  main Add. t2-f@ceres.dti.ne.jp     /
/                          From Nippon/
///////////////////////////////////////

