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To: FreeBSD-net-jp@jp.FreeBSD.org
References: <ywlheof5ncy.fsf@cerberus.proc.flab.fujitsu.co.jp>
 <3C70A4672E1.F62EYUKINOPO@krigw.kansai-ri.co.jp>
 <20020217.233431.112813148.hino@ccrl.sj.nec.com>
From: TOMITA Yoshinori <yoshint@flab.fujitsu.co.jp>
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Date: Mon, 18 Feb 2002 17:39:42 +0900
In-Reply-To: <3C70A4672E1.F62EYUKINOPO@krigw.kansai-ri.co.jp>
 (Kounosuke Shiomi's message of "Mon, 18 Feb 2002 15:51:19 +0900")
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$BIYED$G$9!#(B

X$B$r(B100full-duplex$B$K7R$.JQ$($l$P$=$l$J$j$KF0$/$N$G!"4X78$J$$$+$bCN$l$^(B
$B$;$s$,0l1~!"D{@5!#:G=i$N%a!<%k$G!"(BIRQ$B$N6&M-$O$J$$$H$+$-$^$7$?$,!"(B

  sio1: configured irq 3 not in bitmap of probed irqs 0

$B$H$$$&$N$r8+Mn$H$7$F$$$^$7$?!#(B


>> On Mon, 18 Feb 2002 15:51:19 +0900, Kounosuke Shiomi
>> <yukinopo@livedoor.com> said:

Ko> $B$J$s$H$J$/!"%$%s%?!<%U%'%$%9$N(B full/half $B$N9=@.$,9g$C$F$J$$;~$N(B
Ko> $B8=>]$NMM$K8+$($^$9!#(B

Ko> 1) [X] $B$N%$%s%?!<%U%'%$%9$,!"(Bhalf-duplex $B$K$J$C$F$$$k$+(B

$B<+F0G'<1$N$^$^$G$d$C$F$$$?$N$G!"(BX$B$*$h$S!"(BX$B$NDL?.Aj<j$H$b$K!"L@<(E*$K;X(B
$BDj$7$F$_$^$7$?!#(B

# $B!V(B... mediaopt half-duplex$B!W$G%(%i!<$K$J$k$N$G!"$J$<$@$H;W$($P!"(B
# $B!V(B... -mediaopt full-duplex$B!W$H;XDj$9$k$h$&$K$J$C$F$$$?$N$G$9$M(B

$B$G!";DG0$J$,$i!"7k2L$OJQ$o$j$^$;$s$G$7$?!#(B


Ko> 2) $B%9%$%C%A%s%0%O%V$N!"(Bdumb HUB $B$N7R$,$C$F$$$k%]!<%H$,!"(B
Ko>    half-duplex $B$K$J$C$F$$$k$+(B

$B%1!<%V%k$N9T$-@h$rDI$C3]$1$F$-$^$7$?!#$@$$$?$$!"0J2<$N$h$&$J46$8$N$h$&$G$9!#(B
# $B$J$s$+$_$C$H$b$J$$$b$N$,:.$8$C$F$$$^$9$,!#(B

 (X)
  |
10Base-T dumb Hub---($B%$%(%m!<%1!<%V%k(B)---(AUI$B%1!<%V%k(B)--- $B!A(B

  $B!A(B ----cisco$B$N%9%$%C%A%s%0%O%V(B---(100BaseTX)---10/100SW HUB--- $B!A(B

  $B!A(B ----10/100SW HUB --- ($B8w%U%!%$%P(B) ---10/100SW HUB--- 10/100SW HUB
          |                                                   |
         (P)                                                 (Q)

$B%9%$%C%A$r$O$5$^$J$$ItJ,$N%1!<%V%k$NAm1dD9$O!"(B100m$B$b$J$$$O$:$G$9!#(B

$B$5$-$[$I$N%a!<%k$G!"(BX$B$NDL?.Aj<j$H$J$C$?%[%9%H$O!"(BP$B$d(BQ$B$NJU$j$K@\B3$7$F(B
$B$$$^$9!#(B

cisco$B$N%O%V$G!"(BAUI$B%1!<%V%k$,$D$J$,$C$F$$$k%]!<%H$O!"$=$b$=$b(Bfull$B$b(Bhalf
$B$bI=<($,$J$$$N$G(B($BEvA3!)(B)$B!"(Bhalf$B$N$O$:!#(Bcisco$B"+"*(B10/100SW HUB$B4V$O!"(B
$BN>J}$H$b(B100 full-duplex$B$HI=<($5$l$F$^$7$?!#(B

$B$=$NB>$N(BSW HUB$B4V$O!"$9$Y$F(B100$B$N(Bfull-duplex$B$G$7$?!#(B


$B:#!"(B(P)$B$N(BSPARC Solaris $B"*(B (X)$B$G(Bnetperf$B$r<B9T$7$F$_$k$H(B0.3$B!A(B0.5Mbps$B$H6K(B
$BC<$KCY$/$J$C$F$$$?$N$G(B($B$5$C$-$O(B3$B!A(B9Mbps$B6a$/$G$F$?(B)$B!"CY$/$J$kMW0x$O!"(BOS
$B$N<oN`$G$O8BDj$G$-$J$$$h$&$G$9!#(B


$B$?$a$7$K!"(B(Q)$B$N0LCV$N(BFreeBSD fxp$B$r(B10$B$N(Bhalf-duplex$B$KMn$H$7$F!"(B(Q)$B"*(B(X)
$B$N(Bnetperf$B$r?^$k$H!"(B0.12$B!A(B0.33Mbps$B$H$$$&7k2L$G$7$?!#(B

$BF1MM$K(B(P)$B$HF1$80LCV$N(BFreeBSD fxp$B$r(B10$B$KMn$H$7$F(B(P)$B"*(B(X)$B$r;n$9$b$N$N!"F1(B
$BDxEY!#(B


$B$"$H!"BN46$K$h$kOC$G7WB,$O$7$F$*$i$:5R4Q@-$N$J$$>pJs$G$9$,!"(B(X)$B$HF1$8(B
$B%O%V$K$D$J$,$C$F$$$k(BSolaris$B%^%7%s$G!"$=$l$[$I6KC<$K%M%C%H%o!<%/$,CY$/(B
$B$J$k$3$H$O$J$$!"(B(X)$B$b(BFreeBSD-3.x$B$N$H$-$O!"$3$s$J$KCY$/$O$J$+$C$?!"$H$N(B
$B$3$H$G$9!#(B

(X)$B8GM-$NLdBj$J$N$+!"(B(X)$B$HF1$8%P%+%O%V<~JU$K6&DL$NLdBj$J$N$+!"@Z$jJ,$1(B
$B$kI,MW$,$"$j$^$9$M!#(B



>> On Sun, 17 Feb 2002 23:34:31 -0800 (PST), Koji Hino
>> <hino@ccrl.sj.nec.com> said:

Ko> $B!t$^$?$O(Bswitching hub$B$N%P%C%U%!$,$9$4$/>.$5$/$F%Q%1%C%H$rMn$H$7$F$$$k(B
Ko> $B!t$H$+!D(B

flow control$B$G5_:Q$5$l$k!D$C$F4|BT$7$F$?$iBg4V0c$$$G$7$g$&$+(B
$B$$$d!"4|BT$7$F$$$J$$$G$9$1$I(B ;-)


SW HUB$B$N8+$?L\$O!":#;~$N%Q%=%3%s%7%g%C%W$G(B1$BK|1_DxEY$GGd$C$F$$$k$b$N$h(B
$B$j$O$$$/$i$+>eEy$=$&!"@N$J$,$i$N5!G=K~:\$N$b$N$h$j$O$@$$$VNt$k!"$H$$$&(B
$B46$8$G$9!#(B# $B2?$N>pJsNL$b$"$j$^$;$s$M!D(B



-- 
---
TOMITA Yoshinori  $B"O"]!*'j'`"]!?'d!;'.&)&S'Q(B $B'5&O"f'_&)'*"~'A(-(B
(Fujitsu Laboratories Ltd., Kawasaki, Japan)
