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From: Nao KAJITA <kajita@career-link.co.jp>
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$B3aED$G$9!#(B

> $B%H%s%kItJ,$,%k!<%?$G$$$&$H(B WAN $BB&$,(B numbered network $B$K$J$k$H(B
> $B$$$&$h$&$J46$8$@$H$$$&$3$H$G$9$M!#(B
> $B%0%m!<%P%k%"%I%l%9$N(B aaa.bbb.ccc.1 $B$H(B ddd.eee.fff.1 $B$H$$$&$N$r(B
> $B2C$($F9M$($k$H(B 3$B$D$N%M%C%H%o!<%/%$%s%?%U%'!<%9$r;}$D$3$H$K$J$k$H(B
> $B9M$($F$h$$$H$$$&$3$H$G$9$+!#(B

$B$($($H!"$=$&$G$9$M!#<B<AE*$K$=$&$J$j$^$9!#(B

> > <IP addr>
> > xxx.xxx.xxx.1   xxx.xxx.yyy.1   xxx.xxx.yyy.2      xxx.xxx.zzz.1
> > client1--------->vtunSvr1--------->vtunSvr2------------->client2
> >     xxx.xxx.xxx.0/24         |           xxx.xxx.zzz.0/24
> >                       xxx.xxx.yyy.0/24
> > <Network>
>   (snip)
> $B>e5-$N>l9g$G$"$l$P!"(Bvtun2Svr2 $B$N(B IP Forwarding $B$r(B On $B$K$7$F$*$1$P(B
> $B%k!<%F%#%s%0$5$l$k$7!"$=$N@h$KB>$N%;%0%a%s%H$,$"$k>l9g$K$O(B vtunSvr2
> $B$N%k!<%F%#%s%0%F!<%V%k$,E,@Z$J$b$N$K$J$C$F$$$l$P$h$$$H$$$&;v$G$9$M!)(B

$B$=$&$G$9!#$-$C$H!I0F$:$k$h$j@8$`$,0W$7!I$G$9$h!#(B

$B$+$8$?(B
