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Date: Thu, 19 Dec 1996 05:12:22 +0900
To: FreeBSD-users-jp@jp.freebsd.org
From: Masahiro Yamada <masa@intercraft.co.jp>
Reply-To: FreeBSD-users-jp@jp.freebsd.org
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Subject: [FreeBSD-users-jp 7656] [Q]IP Forwarding
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Sender: owner-FreeBSD-users-jp@jp.freebsd.org

$B$O$8$a$^$7$F!$%$%s%?!<%/%i%U%H$N;3ED$H?=$7$^$9!%(J

$B8=:_!$(JFreeBSD2.1.5R$B$G#2Kg$N%M%C%H%o!<%/%\!<%I$r;H$C$F(J
$B%2!<%H%&%(%$$N@_Dj$r$7$F$*$j$^$9!%(J

$B$,!$#2Kg$N%\!<%I$K$O$=$l$>$l$N%M%C%H%o!<%/$+$i(Jping$B$d(Jtelnet$B$,(J
$B$G$-$k$N$G$9$,!$%\!<%I4V$G(JIP$B$,DL2a$7$^$;$s!%(J


      NETWORK-A  -- NetworkAddress 192.168.1.0
    --------------+------------------- 
                  |
                  | gw1
                  | addr 192.168.1.10 / mask 255.255.255.224
           -------+-------- 
           |   FreeBSD    |
           |  PS/V Master |
           |              |
           -------+--------
                  | gw2
                  | addr 192.168.1.33 / mask 255.255.255.224
                  |
    --------------+-------------------
$B!!!!!!(JNETWORK-B  -- NetworkAddress 192.168.1.32

$B!!!v%"%I%l%9$O<B:]$N$b$N$r%W%i%$%Y!<%H%"%I%l%9$KJQ$($F$"$j$^$9!%(J

$B$3$N>u67$G!$(JNETWORK-A$B>e$N%[%9%H$+$i(JNETWORK-B$B>e$N%[%9%H$X(J
traceroute$B$r$+$1$k$H(Jgw2(192.168.1.33)$B$^$G$G;_$^$C$F$7$^$$$^$9!%(J

$B%2!<%H%&%(%$$KI,MW$H;W$o$l$k@_Dj$O0J2<$N$h$&$K$7$F$$$^$9!%(J

$B!!(JGENERIC $B%U%!%$%k$N5-=R!J$J$/$F$b$$$$$h$&$G$9$,!K(J

$B!!!!(Joptions GATEWAY

$B!!(J/etc/sysconfig $B$N5-=R(J

$B!!!!(Jnetwork_interfaces="ep0 ep1 lo0"
$B!!!!(Jifconfig_ep0="inet 202.226.194.10 netmask 0xffffffe0"
$B!!!!(Jifconfig_ep1="inet 202.226.194.33 netmask 0xffffffe0"
$B!!!!(Jifconfig_lo0="inet localhost"

    $B!&(J
$B!!!!!&(J
$B!!!!(Jgateway=YES

    router=$B$N5-=R$G$O(J"NO"$B$d(Jrouted$B$b;n$7$^$7$?!%(J


$BB>$K%k!<%F%#%s%0%F!<%V%k$N@_Dj$J$I$NI,MW$J@_Dj$,$"$k$N$G$7$g$&$+!)(J

$B;n$7$K$3$l$^$G$K(J

 route add -net 192.168.1.0 192.168.1.10 1
 route add -net 192.168.1.32 192.168.1.33 1

$B$H$O$7$F$_$?$s$G$9$,$&$^$/9T$-$^$;$s$G$7$?!%(J


$B%^%7%s$O(J IBM PS/V Master2406
$B%M%C%H%o!<%/%+!<%I$O#2Kg$H$b(J 3com$B$N(J 3C509$B$G$9!%(J

$B$"$H!$$4;29M$^$G$K(Jnetstat -r$B$N=PNO$G$9!%(J
---------------------
% netstat -r
Routing tables

Internet:
Destination        Gateway          Flags   Refs   Use     Netif Expire
localhost          localhost        UH        0      0       lo0
192.168.1.194/27   link#2           UC        0      0
192.168.1.1        0:0:e:2a:67:5a   UHLW      1      0       ep0   1194
192.168.1.2        link#2           UHLW      1      4
gw1                0:a0:24:e7:8e:6  UHLW      0    104       lo0
192.168.1.32/27    link#3           UC        0      0
---------------------

$B0J>e$h$m$7$/$*4j$$$$$?$7$^$9!%(J
----------------------------------------------------
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 mailto:masa@intercraft.co.jp
 $BM-8B2q<R!!%$%s%?!<%/%i%U%H(J interCraft Co.,Ltd.
----------------------------------------------------

