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To: FreeBSD-net-jp@jp.freebsd.org
From: Motonori Shindo <mshindo@ascend.co.jp>
In-Reply-To: <199902280216.LAA03530@serv1.hq.imagica.co.jp>
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Subject: [FreeBSD-net-jp 1403] Re: subnetmask
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$B?JF#(B@$B%"%;%s%I$G$9!#(B

From: Minoru Oikawa <mino@bb.imagica.co.jp>
Subject: [FreeBSD-net-jp 1397] Re: subnetmask
Date: Sun, 28 Feb 1999 11:16:07 +0900 (JST)

> > $B!!$G!"$G$9$M!"%M%C%H%o!<%/4IM}<T$KD>@\J9$+$J$$$G!"%5%V%M%C%H%^%9%/$rCN$k(B
> > $B$3$H$O=PMh$k$N$G$9$+!)(B
> 
>  $B$=$l$r9pCN$9$kEXNO$,$J$5$l$F$$$J$$$J$i!"J9$-$K9T$/$7$+L5$$(B
> $B$G$7$g$&!#(B
> 
> > $B!J$D$^$j!"(BOS$B>e$+$i2?$+$N%3%^%s%I$GD4$Y$k$3$H$O=PMh$k$N$G$9$+!)!K(B
> 
>  1. DHCP $B$G9pCN$5$l$F$$$k$J$i(B dhcp $B$J%/%i%$%"%s%H$r@_CV(B
> 
>  2. DNS $B$G9pCN$5$l$F$$$k$J$i(B
> 	nslookup 0.0.0.10.in-addr.arpa.
>    $B$J$I$H$7$F$_$k!#$D$$$G$K(B
> 	nslookup -q=PTR 0.0.0.10.in-addr.arpa.
>    $B$G%M%C%H%o!<%/$NL>A0$,=P$FMh$k$O$:(B?
> 
>  3. SNMP $B$G9pCN$5$l$F$$$k$J$i(B ucd-snmp $B%Q%C%1!<%8F~$l$F(B
> 	snmpwalk ... ip.ipAddrTable.ipAddrEntry.ipAdEntNetMask
>    $B$H$+$"$?$j$rFI$s$G$_$k!#(B

ICMP Address Mask Request $B$r=P$7$F!"$=$N(B Reply $B$r8+$k$H$$$&<j$b$"$j$^$9!#(B
$B$?$@$7!"A4It$N%[%9%H$d%k!<%?!<$,$3$N(B ICMP $B$r%5%]!<%H$7$F$$$k$H$O8B$j$^$;(B
$B$s$7!"$?$^$K13$rJV$95!4o$b$"$C$?$j$7$^$9$N$G$4Cm0U$r!#(B

> > $B!t$"$H!"$=$N%;%0%a%s%H$N%G%U%)%k%H%2!<%H%&%'%$$rD4$Y$kJ}K!$,$"$l$P!"(B
> > $B!t65$($F$/$@$5$$(B
> 
>  default $B$G$9$+(B? $B$=$l$OWs0UE*$J$b$N$J$N$G!"J9$+$J$$$HH=$j$^(B
> $B$;$s$M!#(B

$B?t$"$k%k!<%?!<$NCf$G$I$l$r(B default $B$K$9$k$+$O!"%M%C%H%o!<%/%]%j%7!<$NLd(B
$BBj$J$N$G!"4IM}<T$KJ9$$$F$_$J$1$l$P$o$+$j$^$;$s!#$?$@!"%k!<%?!<$rC5$9$@$1(B
$B$J$i(B ICMP Router Discovery (Advertisement/Solicitation) $B$r;H$($P!"H/8+$9(B
$B$k$3$H$,$G$-$k$+$b$7$l$^$;$s!#Hf3SE*:G6a$N(B routed $B$d(B gated $B$J$i%5%]!<%H(B
$B$7$F$$$?$O$:$G$9!#$?$@!"$3$N(B ICMP $B$r%5%]!<%H$7$F$$$J$$%k!<%?!<$b$"$j$^$9(B
$B$7!"4IM}<T$,0U?^E*$K6X;_$7$F$$$k>l9g$b$"$k$+$H;W$$$^$9$N$G!"I,$:$7$b$&$^(B
$B$/9T$/$H$O8B$j$^$;$s$,!#(B

=====================================
Motonori Shindo
   Systems Engineer     
   Ascend Communications Japan K.K.   
   email: mshindo@ascend.co.jp
   TEL: +81-3-5325-7306 
=====================================
