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To: FreeBSD-tech-jp@jp.freebsd.org
In-reply-to: Your message of "Mon, 08 Dec 1997 23:04:43 JST."
             <19971208230443Z.demizu@gear.csl.sony.co.jp> 
Date: Tue, 09 Dec 1997 01:51:16 +0900
From: Kenjiro Cho <kjc@csl.sony.co.jp>
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Subject: [FreeBSD-tech-jp 961] Re: =?ISO-2022-JP?B?GyRCQy8kKyEqGyhCd3JpdGU=?==?ISO-2022-JP?B?IBskQiROO0gkJEp9Q04kaiReJDskcyEpGyhC?= 
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> On Mon, 08 Dec 1997 23:04:43 +0900, Noritoshi Demizu said:

>> $B85%a!<%k$r$J$/$7$F$7$^$C$N$GA4A38!F$$O$:$l$J$3$H$r=q$$$F$$$k$+$b$7$l$^(B
>> $B$;$s$,!"!"(B

$B$*$C!"%o%7%s%H%s(BDC$B$K$$$k$O$:$J$N$K!#(B
$BFbNX$GOC$97A$K$J$C$F$7$^$$$^$9$,!"(B

>> $B$H$j$"$($:$$$^$O(B ATM (en0) $B$O(B bpf $BE*$K$O(B DLT_NULL $B$K8+$($k$h$&$K$J$C$F(B
>> $B$$$k$H;W$$$^$9!#$G$b(B bpf.c $B$O(B DLT_NULL $B$J$b$N$KBP$9$k(B write(2) $B$r%5%]!<(B
>> $B%H$7$F$$$J$$$N$G!"<!$N$I$A$i$+$,I,MW$G$O$J$$$+$H;W$$$^$9!#(B

bpf$B$O(BDLT_NULL$B$G=q$1$k$O$:!#;n$7$?$3$H$O$"$j$^$;$s$,!"(Bif_loop$B$H$+$,$3$l(B
$B$G$9!#$3$N>l9g%f!<%6$,EO$9%G!<%?$N@hF,$K%"%I%l%9%U%!%_%j$rF~$l$k$3$H$K(B
$B$J$C$F$$$k!J$h$&$K%3!<%I$OFI$a$k!K!#(B
$B%"%I%l%9%U%!%_%j$rEO$9M}M3$OC1$K(Bif_loop$B$K=q$/>l9g$OBP1~$9$k%"%I%l%9%U%!(B
$B%_%j$N<u?.%-%e!<$K7R$0$@$1$G$$$$$+$i$H$$$&0B0W$J%$%s%W%j$,85$K$"$k!J$h(B
$B$&$K;W$($k!K!#(B

$BLdBj$O(BDLT_NULL$B$H$$$&$N$O!V%j%s%/%l%Y%k$N%X%C%@$,$J$$!W$H$$$&0UL#$G$"$k(B
$B$N$KBP$7$F!"(BATM$B$O!"(B
	- NULL-encap $B$H(B LLC/SNAP$B$,$"$k!#(B
	- AAL5$B$G$O%X%C%@$,$J$/$F$b!"%;%k$KMn$A$k;~$K$O%X%C%@$r$D$1$J$$(B
	  $B$H$$$1$J$$(B
$B$H$$$&0UL#$G(BDLT_NULL$B$G$O$"$j$^$;$s!#(B
$B$H$j$"$($:!"(BDLT_NULL$B$r;H$C$?$N$O!"Ev;~(Btcpdump$B$r$$$8$i$:$KFI$_=P$9$?$a(B
$B$N%O%C%/$G$9!#(B

>> en0 $B0J30$G$NF0:n$r3NG'$7$F$$$^$;$s$,!"$H$j$"$($:<!DxEY$N%Q%C%A$GF0$/$3(B
>> $B$H$OF0$$$F$^$9!#(B($B$?$V$s$3$l$@$1$@$C$?$H;W$&(B)

en$B%I%i%$%P$N>l9g$O$9$G$K(Bdestination$B$X$N(BVC$B$,3NN)$5$l$F$$$l$P$3$l$G%Q%1%C(B
$B%H$O$H$I$-$^$9$M!#(B
$B$7$+$7!"(Bbpf write$B$OG$0U$N%Q%1%C%H$,Ej$2$i$l$k$H$$$&0UL#$G!"G$0U$N(BVC$B$K(B
$B%Q%1%C%H$,Ej$2$i$l$kLu$G$O$"$j$^$;$s!#!J$3$NJU$O(Bbpf write$B$K2?$r5a$a$k(B
$B$+$H$$$&OC$K$J$C$F$7$^$$$^$9$,!#!K(B

DLT_ATM_RFC1483$B$H$$$&%?%$%W$ODj5A$5$l$F$$$k$N$G!"$3$l$r;H$C$F??LLL\$K(B
write$B$N(Bsemantics$B$rDj5A$7$F<BAu$9$k$N$,@5$7$$$s$@$m$&$H;W$$$^$9!#(B

$B$A$g!<(B
