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From: Hiroyuki Yamagami <hiroyu-y@ex.itc.keio.ac.jp>
Date: Wed, 28 Jul 1999 12:43:34 +0900
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Subject: [FreeBSD-net-jp 1788] Re: NAT and interface
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$B;3>e$G$9(B. 
$BDI2C>pJs$G$9!#(B

$BK?(BM."S".Y$B;a$h$jFM$C9~$_$,$"$j!$(Bportmap$B;HMQ;~$NF0:n$b(B
$B3NG'CW$7$^$7$?!#(B

map fxp0 10.0.0.0/8  -> 0/32  portmap tcp/udp 10000:29999

$B$^$?!$(B0/32 $B$N2r<a$b(Bipf ver 3.27 $B$G$OLdBj$J$$$h$&$G$9!#(B


Hiroyuki Yamagmai $B$5$s$O=q$-$^$7$?(B:
>$B;3>e$H?=$7$^$9(B. 
>
>$B@h$NEj9F$ND{@5$G$9(B
>
>10.0.0.0/8 $B8m(B -> 192.168.1.0/24 $B@5(B
>
>$B$G$9(B. 
>
>$B@h$NHSEgMM$N%a!<%k$N8fE&$N(B,10.0.0.0/8$B$N$^$^$G$O(B
>$BF0$-$^$;$s(B.
>
>fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>        inet 131.113.XXX.XXX netmask 0xffffff80 broadcast 131.113.XXX.127
>        inet 10.1.1.1 netmask 0xffffff00 broadcast 10.1.1.255
>        ether 00:e0:18:80:34:da 
>        media: autoselect
>        supported media: autoselect 100baseTX <full-duplex> 
>		100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP 
>
>$B$J4D6-$G(B
>ipnat$B$G0J2<$NMM$K(Bmap$B$7(B,  
>
>map fxp0  10.0.0.0/8  -> 0/32 
>
>$B;HMQ$7(B,
>
>#ping www.iij.ad.jp
>
>$B$7(B, 
>
>#ipnat -l
>
>$B$G>uBV$r3NG'$9$k$H(B
>List of active MAP/Redirect filters:
>map fxp0 10.0.0.0/8  -> 0.0.0.0/32 
>
>List of active sessions:
>MAP 10.1.1.2        0     <- -> 131.113.XXX.XXX   0     [202.232.2.15 0]
>
>$B$H$N=PNO$,F@$i$lF0:n$7$F$$$k;v$,3NG'$G$-$^$9(B.  
>
>private addr$B$N7PO)>pJs$O>e0L$N%k!<%?$,$=$l$r(Badvertise$B$7$J$$8B$jLdBj$,(B
>$B$J$$$G$7$g$&(B. 
>
><199907271458.XAA29318@ns.kamome.or.jp>$B$N5-;v$K$*$$$F(B
>hueda@kamome.or.jp$B$5$s$O=q$-$^$7$?!#(B
>
>>> $B?"ED(B@$B$+$b$a%M%C%H$H?=$7$^$9!#(B
>>> 
>>> kawamura> $B2OB<(B@$BF|K\%i%C%I3t<02q<R$H?=$7$^$9!#(B
>>> ;
>>> kawamura> $B$"$k;v>p$+$i!"(B1 $BKg$N(B NIC $B$K(B global address $B$H(B local address $B$r@_Dj$7$F!"(B
>>> kawamura> NAT $B$r;HMQ$7$?$$$H;W$C$F$$$k$N$G$9$,!"K\Ev$K$G$-$k$N$G$7$g$&$+!#(B
>>> 
>>> $B!!5!G=E*$K$G$-$k$+$I$&$+Hs>o$K6=L#$,$"$k$N$G$9$,!"$=$l$H$OJL$K!"0l$DJX>h(B
>>> $B$7$F<ALd$5$;$F2<$5$$!#(B
>>> 
>>> $B!!$3$3$G2OB<$5$s$,6D$C$F$$$k(B global address $B$H$$$&$N$O(B Internet $B$K$D$J$0(B
>>> $B$3$H$N$G$-$k(B global address $B$H$$$&0UL#$G$7$g$&$+!)!!$b$7$=$&$@$C$?>l9g!"(B
>>> global address $B$H(B local address(private address?) $B$,:.$6$C$F$bLdBj$J$$$N(B
>>> $B$G$7$g$&$+!)!!NI$/!V(Bprivate address $B$r30$KN.$7$F$O$$$1$J$$!W$H8@$o$l$^$9(B
>>> $B$,!":#2s;n$_$i$l$F$$$k@_Dj$O$=$&$$$&LdBj$O(B(proxy $B$G@)8f$9$k$+$i(B)$BL5$$$N$G(B
>>> $B$7$g$&$+!)(B
>>> 
>>> $B!!6rLd$@$C$?$i$4$a$s$J$5$$(B m(__)m$B!#%M%C%H%o!<%/$N@_7W$r$d$C$?$3$H$,L5$$$b(B
>>> $B$N$G$9$+$i!#(B
>>> 
>>> ---------------------------------------------
>>> $B?"EDM5G7(B <hueda@kamome.or.jp>
>>> 
>>> GoodBooks for FreeBSD/Unix!
>>>  -> http://www.itbrain.co.jp/~ueda/FreeBSD/books/
>>> 
>

----
Hiroyuki Yamagami  hiroyu-y@ntc.keio.ac.jp
