From owner-FreeBSD-net-jp@jp.freebsd.org  Mon Dec 15 15:00:20 1997
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Date: Mon, 15 Dec 1997 15:00:36 +0900
To: FreeBSD-net-jp@jp.freebsd.org
From: Bunpei Matoba <bm@partner.smicec.co.jp>
Reply-To: FreeBSD-net-jp@jp.freebsd.org
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X-Distribute: distribute [version 2.1 (Alpha) patchlevel=24]
X-Sequence: FreeBSD-net-jp 376
Subject: [FreeBSD-net-jp 376] supernet on FreeBSD (Re: [FreeBSD-users-jp 22273] Re: Q: SW-HUB
 vs Router)
Errors-To: owner-FreeBSD-net-jp@jp.freebsd.org
Sender: owner-FreeBSD-net-jp@jp.freebsd.org

$B=;6b@)8f$NE*>l$G$9!%(J

$BJX>h<ALd$,$"$j$^$7$F!$(JFreeBSD-net-jp$B$K?6$i$;$F(J
$B$$$?$@$-$^$7$?!%(J

At 10:02 AM +0900 97.12.15, Minoru Oikawa wrote:
>  $B$3$3$O(J fj.lan $B$8$c$J$/$F(J FreeBSD-users-jp $B$J$s$G$9$1$I!D(J
>
>  $B0c$&%M%C%H%o!<%/$N4V$r<h$j;}$C$F7R$0$N$,%k!<%?!#(J
>  $BF1$8%M%C%H%o!<%/$NCf$G7R$0$N$O%j%T!<%?$d%V%j%C%8!#(J
>  $B%O%V$H8F$P$l$k5!:`$O%^%k%A%]!<%H$N%j%T!<%?$N$3$H!#(J
>  $B%M%C%H%o!<%/$N652J=q!"C5$7$FFI$_$^$7$g$&$M!#(J
>
> > From: "Murakami Hiroshi" <nws830@ca2.so-net.or.jp>
> > Date: Sat, 13 Dec 1997 23:06:09 +0900 (JST)
>
> > 192.168.1 $B$H$$$&%M%C%H%o!<%/(J lan-A
> > 192.168.2 $B$H$$$&%M%C%H%o!<%/(J lan-B
>
>  netmask $B$,=q$$$F$$$J$$$N$G(J
>
> > $B%9%$%C%A%s%0%O%V$r4V$K$O$5$`$3$H$GAj8_$N4V$G(J
> > $BDL?.$,$G$-$k$G$7$g$&$+!)(J
>
> $BH=$i$J$$!"$H$$$&Ez$K$J$k$H;W$$$^$9!#(J
>
> # $B:#$O(J 1997 $BG/!#(Jsub-netting $B$@$1$N;~Be$8$c$J$$$C$9!#(J
> # super-netting $B$5$l$F$$$k%1!<%9$b9M$($J$$$H$M!D(J
>
>  /24 $B$J$i$P!V$U$D$&$N%9%$%C%A$8$cDL?.=PMh$^$;$s!W!#(J

$B$D$$:G6aJL$N$H$"$k%a!<%j%s%0%j%9%H$G(Jsupernet$B$d(Jclassless$B$N(J
$BOCBj$,$G$?$s$G$9$1$I!$(JFreeBSD$B$N(Jkernel$B$N(JTCP/IP$B$d(J
routed,gated$B$O(J
rfc1519 "Classless Inter-Domain Routing (CIDR):"
$BE*$J(Jsupernet$B$N07$$$OAH$_9~$^$l$F$$$k$N$G$7$g$&$+!)(J
$B%=!<%9FI$^$:$N!$$*<j7Z<ALd$G$9$_$^$;$s!%(J

$B%k!<%?$,I,MW$JOC$G62=L$G$9$,!$(J
$B%9%$%C%A%s%0%O%V$K(Jcisco$B$N%k!<%?$r$D$J$$$G!$(J
$B%k!<%?$N$=$N%$!<%5%M%C%H%$%s%?!<%U%'!<%9$K(J
secondary IP address$B$r$D$1$F!$$=$N%;%0%a%s%H$NCf$G(J
$B%k!<%F%#%s%0$5$;$F$d$C$?$i$G$-$k$+$b$7$l$^$;$s$M!%(J

>
> >$B$^$?(J, $B%M%C%H%^%9%/$,0[$J$k(J
> > 10.1 $B$H$$$&%M%C%H%o!<%/(J lan-C $B$H$N4V$G$"$l$P$I$&$G$7$g$&$+!)(J
>
>  $B%M%C%H%^%9%/D9$,F1$8;~!"0c$&;~$G2?$+$,JQ$o$k(J?
>  $B$A$g$C$HJQ$o$k$N$O!"F,$N0-$$%k!<%?$+8-$$%k!<%?$+$,Ld$o$l$k!"(J
> $B$H$$$&$3$H$0$i$$$+$J!D(J
>  $B$0$A$c$0$A$c$K%M%C%H%^%9%/D9$r3d$jEv$F$?$$$J$i(J RIPv1 $B$7$+C}(J
> $B$l$J$$%k!<%?$H$+$O<N$F$J$$$H$M!#(J
>
> >     lan-A        #####
> > ----------------@#####
> >                  # S #
> >                  # W #
> >                  # | #
> >                  # H #
> >                  # U #
> >     lan-B        # B #
> > ----------------@#####
> >                  #####
>
>  IP $BE*$K0[$J$k%M%C%H%o!<%/$N;v$r(J LAN$B!"$HI=8=$7$F$$$k$J$i$P!"(J
> $B$3$N?^$O$U$D$&8m$j!#%k!<%?$G7R$0$N$M!#(J
>
>  $B%9%$%C%A$,%l%$%d(J 3 $B$N%9%$%C%A%s%0(J(IP $B%9%$%C%A!"$H$+$H$b8@$&(J)
> $B$r9T$($k5!:`$J$i$P!"$3$N?^$G$bNI$$$1$l$I!"%k!<%?$HA4$/F1$8$3(J
> $B$H$,=PMh$k$o$1$G$O$J$$$N$G!VEv$?$j$+30$l$+!"%1!<%9%P%$%1!<%9!W(J
> $B$+$J!#(J
>
> > # SW-HUB$B$O7k9=9b3[$J$N$G!"9;Hq$GGc$C$F$_$F(J
> > # $BF0$-$^$;$s$G$7$?$4$a$s$M$H$$$&$N$O$^$:$$$M(J..
>
>  $B4pAC$,H=$i$J$$$H$3$m$G$8$?$P$?$9$k$h$j!"M%=($J3X@8$5$s$rA*(J
> $B$s$G!"A4ItG$$;$F!V$*$i$C$A$,@UG$<h$k$+$i9%$-$K$d$l!W$,@5$7$$(J
> $B$N$G$O(J?
>
>  $B%l%$%d(J 3 $B%9%$%C%A$rGc$C$F!"4uK>$N@\B3$O=PMh$?$1$I%Q%1%C%H%m(J
> $B%9$,?R>o$8$c$J$/$F(J 10Mbps $B$N%7%'%"!<%I$J4D6-$h$jCY$/$J$C$A$^$C(J
> $B$F!D$J$3$H$bM-$k$7!#(J(-.-;

$B$b$7!$:9$7;Y$($J$+$C$?$i!$$3$s$J%?%3$J%9%$%C%A$O$I$3$N(J
$B$b$N$+!$$=$C$H65$($F$$$?$@$-$?$$$b$N$G$9!%(J

>
> --- mino % $B%l%$%d(J 3 $B%9%$%C%A$G@-G=$,=P$k$J$s$F;W$&J}$,JQ$+$b(J :-p

--
Bunpei Matoba
Computer System Division
Sumitomo Metal Industries Control & Engineering Corp.
Amagasaki Japan
Phone: +81-6-418-4707    fax. +81-6-418-4764
Nifty-Serve: JAE00767   CompuServe: 72300,3551
http://www.nerimadors.or.jp/~bunpei/index.html


