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In-Reply-To: Your message of "Sat, 07 May 2005 16:36:52 +0900".
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From: aji@aji-oh.net (TANAKA Aji)
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Date: Sat, 7 May 2005 21:44:58 +0900
X-Sequence: FreeBSD-users-jp 84379
Subject: [FreeBSD-users-jp 84379] Re: arplookup 0.0.0.0 failed
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$B$?$J$+(B $B$G$9(B.
$B$5$9$,$K3NG'$9$k$N$O9|$J$N$G(B, $B4y>e$N$_$G(B.

$B!v(B

$B$3$l$G$9$,(B,

> arplookup 0.0.0.0 failed : host is not on local network

netinet/if_ether.c $B$N(B arplookup$B4X?t$G=PNO$5$l$F$$$^$9$M(B.
ARP$B%F!<%V%k$r8!:w$7$?$1$I(B, 0.0.0.0 $B$OF10l%;%0%a%s%H$K$$$J$$$N$G(B,
$B$=$l$GJ86g$r$$$C$F$$$k$h$&$K8+$($^$9(B.

$B$G!"(Btcpdump$B$N7k2L$r8+$k$H(B

[FreeBSD-users-jp 84374] Re: arplookup 0.0.0.0 failed (by Hiroki Kashiwazaki
 $B$5$s(B)$B$NJ8LL$h$j(B:

>  READMAN /root# tcpdump -n 'host 0.0.0.0'
(snip)
>  16:09:51.788797 arp who-has 133.87.2.22 tell 0.0.0.0
>  16:09:51.788822 arp reply 133.87.2.22 is-at 00:02:b3:41:b6:13
>  16:10:15.335208 arp who-has 133.87.2.22 tell 0.0.0.0
>  16:10:15.335234 arp reply 133.87.2.22 is-at 00:02:b3:41:b6:13
>  :
>  :
>  :
>  $B$H!"$3$N7+$jJV$7$K$J$j$^$9!#$3$N(B MAC $B%"%I%l%9$O(B Ehternet $B$K$D$J$$$G(B
>  $B$$$k(B fxp0 $B$N%"%I%l%9$G$9!#(B

$B$?$7$+$K(B 0.0.0.0 $B$+$iLd$$9g$o$;$,$-$F$$$k$N$G(B, $B$3$l(B(ARP request)$B$K1~Ez(B
$B$7$h$&$H$7$F(Barplookup()$B$r8F$s$G$$$k5$$,$7$^$9(B.

$B$3$NITT@$b$N$,860x$H;W$$$^$9$N$G(B, $B$H$j$"$($:(B tcpdump $B$K(B -e $B%*%W%7%g%s(B
$B$D$1$F:FEY%Q%1%C%H%-%c%W%A%c$7$F(B, $B$3$N(BARP request$B$rN.$7$F$$$k$b$N$N(B
MAC$B%"%I%l%9$rFM$-;_$a$k$,$h$m$7$$$G$7$g$&(B.

$B!tDL>o(B, $BM-8z$J(BIPv4$B%"%I%l%9$r;}$C$F$J$$$N$K(BARP table$B$r:n$k(B, $B$C$F$$$&$N$O(B
  $B0UL#$N$J$$9T0Y$J$N$G(B, $B$J$s$+%9%-%c%s$7$F$$$k$C$]$/$F%$%d$G$9$M$((B.


$B0J>e;29M$K$J$l$P9,$$$G$9(B.
$B$G$O(B

--
$B$?$J$+$($$$8(B (aji@aji-oh.net)
