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Subject: [FreeBSD-net-jp 2696] FreeBSD =?ISO-2022-JP?B?GyRCJEskaBsoQg==?=
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$B>.>>(B@$B%a%m%s$G$9(B

FreeBSD$B%^%7%s$r(B IPsec $B$J%2!<%H%&%'%$$H$7$F;H$C$F(B 2 $B$D$N%5%$(B
$B%H$G1?MQ$5$l$F$$$k(B NT $B4D6-$rE}9g$9$k$3$H$C$F2DG=$J$s$G$7$g$&(B
$B$+(B?
$B<B<AE*$K$O0J2<$N?^$N$h$&$J@\B3$G!"(BLAN1, LAN2 $BFb$N(B NT $B%^%7%s(B
$B$,%U%!%$%k6&M-$d%W%j%s%?6&M-$rAj8_$K9T$($k$H$$$C$?$b$N$J$s$G(B
$B$9$,(B...

IPX $B$H$+$b$3$NItJ,$rDL$5$J$-$c$$$1$J$$$N$+$7$i(B?

    LAN1
 IP $BE*$K$O(B      ---+
$B%W%i%$%Y!<%H(B       |  +---------+
$B%"%I%l%9$N(BLAN      |  |         |
                   +--+ FreeBSD |
NT $B%/%i%$%"%s%H(B    |  |         |
NT $B%5!<%P(B          |  +----+----+
                ---+       |
                           |  IPsec

                          WAN

                    IPsec  |               LAN2
                           |        +-- IP$BE*$K$O%W%i%$%Y!<%H(B
                      +---------+   |   $B%0%m!<%P%k:.:_$N(BLAN
                      |         |   |
                      | FreeBSD +---+    NT $B%/%i%$%"%s%H(B
                      |         |   |    NT $B%5!<%P(B
                      +---------+   |
                                    +--
* FreeBSD $B$H(B WAN $B$N4V$K$O0l1~(B router $B$,F~$j$^$9(B
