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To: FreeBSD-users-jp@jp.FreeBSD.org
In-reply-to: <200201100912.g0A9CVT29520@r-ff.iij4u.or.jp>
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 <20020110171632-16072S.uchiyama@pp.iij4u.or.jp>
 <200201100912.g0A9CVT29520@r-ff.iij4u.or.jp>
From: Koji Uchiyama <uchiyama@pp.iij4u.or.jp>
Message-Id: <20020110194359-20420D.uchiyama@pp.iij4u.or.jp>
Date: Thu, 10 Jan 2002 19:43:59 +0900
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Subject: [FreeBSD-users-jp 66387] Re: natd 
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$BFb;3$H?=$7$^$9(B

On Thu, 10 Jan 2002 18:12:31 +0900,
in message <200201100912.g0A9CVT29520@r-ff.iij4u.or.jp>,
Yu Ooasa <you@dearest.net> wrote:

>>>$B%5!<%P!<$r@\B3$7$F$$$k%W%m%P%$%@!<$rJQ99$9$k$KEv$C$F!"0\9T4|4V$N%5!<%S%9(B
>>>$BDd;_;~4V$r:G>.8B$K$9$kJ}K!$N<B83$H$7$F9T$C$F$$$^$9!#(B
>>>
>>>CISCO$B$N%k!<%?$G$b@_Dj2DG=$i$7$$$N$G$9$,!"$h$/J,$+$i$J$+$C$?$N$G!"(BFreeBSD
>>>$B$r;H$C$F$_$h$&$H;W$$$^$7$?!#(B
>>
>>ISP $BJQ99$N$*OC$G$7$g$&$+!)(B
>>
>>    $B0\9T4|4VCf$O%9%?%F%#%C%/%k!<%F%#%s%0$G%^%k%A%[!<%`$7$?$$$1$I!"(B
>>    $B$I$&$9$j$c$$$$$s$@$!!";OE@%"%I%l%9$G(B next hop $BJQ$($i$l$k$h$&$J%k!<%?$O(B
>>    $B@lMQ5!$@$H9b2A$@$7!"$8$c$"(B NAT $B$G$J$s$H$+$J$i$s$+$J$!(B
>>
>>$B$H$$$&$*OC$G$7$g$&$+!)(B
>
>$B$I$&$bA0=R$N9=@.?^$H%$%a!<%8$,7R$,$i$J$$$s$G$9$1$I!D(B

$B$9$$$^$;$s!"$?$7$+$K(B
$B$3$l$G$O$<$s$<$s$o$+$j$^$;$s$M!"$4$a$s$J$5$$!#(B

$B0J2<$O!";d$N>!<j$JA[A|$G!"(B
$B$-$C$H!"$3$s$J$3$H(B or $B$3$l$K6a$$$3$H(B
$B$r$7$?$$$N$@$m$&$H;W$$$^$7$?!#(B

       |                   |
    +--+--------+       +--+--------+
    | $B?7(B isp $B$X(B |rt1    | $B5l(B isp $B$X(B |rt2
    +--+--------+       +--+--------+
       |                  VVV
       |                   |
       |                   |
    |--+----+--------------+--| $B?7(B isp $B$+$i$b$i$C$?(B network
            |
            |
          +-+------------------+
          | $B<+%I%a%$%s$N%5!<%P(B |myhost
          +--------------------+

    $B<+%I%a%$%s$N%5!<%P(B myhost $B$K$O(B
    $B?7(B isp $B$+$i$b$i$C$?%"%I%l%9$@$1?6$C$F$*$/!"(B
    myhost $B$N(B default router $B$O(B rt1 $B$H$9$k!"(B

    myhost $B$N5l%"%I%l%9$X%"%/%;%9$7$F$/$k$b$N$O(B
    $B5l(B isp $B$X$N%k!<%?(B rt2 $B$N?^$N(B VVV $B$NItJ,$G(B NAT $B$7$F(B
    myhost $B$N?7%"%I%l%9$K?6$k!#(B myhost $B$+$i8+$k$H(B
    rt2 $B$,D>@\(B myhost $B$X%"%/%;%9$7$F$/$k$h$&$K$_$($k(B

    rt1, rt2 $B$OK?<R$N2HDmMQ%k!<%?$G(B ^^;
    $B;OE@%"%I%l%9$K$b$H$E$/%k!<%F%#%s%0$O$G$-$J$$!#(B

>nexthop $B$N=q$-49$($@$1$J$i(B ipfw fwd $B$H$+AGD>$K(B IOS $B$N(B route-map $B$8$c(B
>$B$@$a$J$s$G$7$g$&$+(B

$B$-$C$H!"$=$l$G$h$$$N$@$H;W$&$N$G$9$,!"(B
$B85%M%?$N(B chores $B$5$s$N$d$j$?$$$3$H$N>\:Y$OCN$i$J$$$N$G(B...
$B$"$H!"(Bcisco IOS $B$O$h$/CN$i$J$$$N$G!"$4$a$s$J$5$$!#(B

--
Koji Uchiyama <uchiyama@pp.iij4u.or.jp>
