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From: "Murakami Hiroshi" <freebsd@tmca.ac.jp>
In-Reply-To: <36EF66F7116.8EF9MARINA@yaya.forks.co.jp> from "marina" at "Mar 17, 1999  5:25:27 pm"
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de $@%I%i%$%P!<$H(J HUB $@$H$NAj@-$K4X$9$k(J $@DI2C<B83Js9p(J
FreeBSD2.2.8R $@$r(J2$@BfMQ0U$7$F(J, Fast-Ethernet NIC$@$H(JHUB $@$G@\B3$9$k<B83(J.
----------------------------------------------------------


$@%O%V$+$i(JNIC$@$^$G$O$=$l$>$l(J 1.5$@%a!<%H%kDxEY$N%1!<%V%k$r;H$C$F$D$J$.$^$7$?(J.

FreeBSD-PC [NIC] --------------- HUB ------------------- [NIC] FreeBSD-PC

$@<B83$K;HMQ$7$?(JPC
   [A] Pentium II 333MHz. Memory 64MB.
   [B] Pentium 133MHz. L2/256KB, Memory 64MB.

$@<B83$K;HMQ$7$?(JHUB
   [1] PCI FH-502; 5$@%]!<%H(J Fast Ethernet Hub.(100Mbps $@8GDj(J,$@%j%T!<%?(J)
   [2] Lantech FastLink Hub 1200R; 12$@%]!<%H(J(100Mbps $@8GDj(J,$@%j%T!<%?(J) IEEE802.3u
   [3] PCI DHR-800;8$@%]!<%H(JDual Speed HUB.      (10/100$@<+F0(J,$@A4Fs=E2D(J)
   [4] PCI FX-08E; Fast Ethernet Switching HUB (10/100$@<+F0(J,$@A4Fs=E2D(J,$@%9%$%C%A(J)

Planex$@<R$N(JNIC$@$G(J dmesg $@$G$NI=<($,(J
	de0: 21140A [10-100Mb/s] pass 2.2
$@$H$J$k(J AF$@$r%5%U%#%C%/%9$K;}$D(JDEC21140A$@%A%C%W$r;H$C$?(J
$@:G?7$N(J9501-F$@%+!<%I$rAPJ}$KA^$7$?>l9g(J:
	* HUB[1] $@$N>l9g(J:
	  $@!V>/$78E$a!W$N(JPlanet$@<R$N(J100base$@8GDjB.EY(J5$@%]!<%H%j%T!<%?%O%V(J($@%@%`%O%V(J)
	   $@$r;H$&$H%O%VB&$GF0:n%(%i!<$H$J$j8N>c$H$_$J$5$l%]!<%H$,@Z$jN%(J
	   $@$5$l$?$H$$$&%i%s%W$,E@Et$9$k(J.  [$@$3$N%O%V$O8N>c%]!<%H$r<+F0E*$K@Z$j(J
	   $@N%$95!G=$,$"$k(J] $@$=$7$F1J5W$K$D$J$,$i$J$$(J.
	  ifconfig $@$G(J media autoselect$@$r$d$a$F!"(Jmedia 100baseTX $@$H$+(J
	  media 100baseTX -mediaopt full-duplex $@$N@_Dj$J$I?'!9;n$7$F$b(J,$@%@%a(J.
          $@8GDjB.EY$N8E$$%O%V$N8N>c@Z$jN%$75!G=$O(JAuto-Negotiation$@$HL7=b$9$k(J
          $@$h$&$G(J, NIC $@B&$,(J, HUB$@$,(J Full-Duplex$@F0:n2DG=$+$I$&$+$rD4$Y$h$&$H$7$F(J
          $@APJ}8~$K?.9f$rAw$C$F$_$k$N$,(J Full-Duplex$@F0:n$rA[Dj$7$F$$$J$$%O%V$@$H(J
          $@$^$:$$$N$G$O$J$$$+(J.
	* HUB[2] $@$N>l9g(J: LANTEC $@<R$N(J 100base-TX Half-duplex$@$J(J12$@%]!<%H%j%T!<%?(J
	  $@%O%V$@$H(J, media autoselect$@$G$b(J 100base-TX Half-duplex$@$G@5>o$K@\B3(J
	  $@40N;$9$k(J. 
	* HUB[3] $@$N>l9g(J: PLANEX$@<R$NHf3SE*?7$7$$(J8$@%]!<%H(JDual-Speed Hub $@$r(J $@;H$&$H(J, 
	  media autoselect$@$G(J 100base-TX$@$G(JHalf-duplex$@$G@5>o$K@\B340N;$9$k(J.
	* HUB[4] $@$N>l9g(J: PLANEX $@<R$N(J Full-Duplex$@$r%5%]!<%H$7$F$$$k:G?7$N(J 
	  8-$@%]!<%H(JSW-HUB $@$r;H$&$H(J media autoselect$@$G(J 100base-TX$@$G(Jfull-Duplex$@$G(J
	  $@@5>o$K@\B340N;$9$k(J. 

$@$5$F!"$&$^$/$f$+$J$$(JPlanet$@<R$N(J5$@%]!<%H$N%@%`%O%V(J[1]$@$r;H$$(J,
2$@Bf$N(JFreeBSD$@$N(JNIC$@$N!VJRJ}!W$@$1$r(J, dmesg$@$NI=<($,(J
	de0: 21140A [10-100Mb/s] pass 2.0
$@$H$J$k(J AC $@$r%5%U%#%C%/%9$K;}$D(JDEC21140A$@%A%C%W$r;H$C$?(J
$@>/$78E$a$N(JPlanex$@<R$N(J 9501-F$@%+!<%I$K<h$j49$($F$_$k$H!"(J
$@:G=i(J pass 2.2 $@$N%+!<%I$H$D$J$,$C$F$$$k%]!<%H$,8N>c$H$_$J$5$l$?%i%s%W$,(J
$@0l=V$D$-$^$9$,!"$d$,$F>C$($F@5>o$K(J 100baseTX Half-Duplex $@$G@\B3$9$k(J. 

$@$&$^$/$f$+$J$$(JPlanet$@<R$N%@%`%O%V(J[1]$@$K$D$J$0(J2$@Bf$N(JFreeBSD$@$N(JNIC$@$r(J, 
$@!VN>J}$H$b!W(Jdmesg $@$NI=<($,(J
	de0: 21140A [10-100Mb/s] pass 2.0 
$@$N$b$N$K$9$l$P!":G=i$+$i$9$s$J$j$H$&$^$/9T$-$^$9(J.
(HUB$@$d(JNIC$@$N;~Be$,B7$C$F$$$k$H$$$($k(J)

$@%@%`(JHUB[2], Dual-Speed HUB[3], SW-HUB[4]; $@$I$l$b(J 9501-F NIC $@$,(J
dmesg $@$NI=<($,(J pass2.0 $@$G$b(J pass2.2 $@$G$b(J $@@5>o$K$D$J$,$k(J.


pass2.0 $@$H(J pass2.2 $@$N(J NIC$@$N(J $@4V$r(J HUB$@$r2p$5$:(J Cross$@%1!<%V%k$G$D$J$$$G(J
$@;n83$7$F$_$k$H(J, $@N>B&$N(JNIC$@$r(J ifconfig $@$N(J media autoselect $@$G;XDj$9$k$H(J
100baseTX Full-Duplex $@$G$D$J$,$k$,!"0lJ}$b$7$/$ON>J}$N(JNIC$@$KBP$7$F(J
media 100base-TX -mediaopt full-duplex $@$H(J HALF-DUPLEX $@$r;XDj$9$k$H(J
$@$$$m$$$m$H$d$C$F$_$^$7$?$,(J,$@$J$s$H!V@dBP$K$D$J$,$i$J$$!W$h$&$G$9(J.  
(NIC$@$N(Jdmesg$@$NJV$9(Jpass $@$NAH$_9g$o$;$K$D$$$F$O$3$N#1Nc0J30$O;n83$7$F$$$^$;$s(J)

$@8E$$%O%V$G%M%4%7%(!<%7%g%s5!G=$r;}$?$J$$$,(J, $@%]!<%H$N8N>c(J($@%Q%1%C%H$N>WFM(J)$@$r(J
$@4F;k$7$F$$$F(J,$@>WFM$,B?$$$H8N>c$G$"$k$H7h$a$D$1$F@Z$jN%$7$r$7$F$7$^$&%?%$%W(J
$@$N$b$N$O(J FreeBSD$@$N(J de $@%I%i%$%P!<$rMQ$$$?%^%7%s$N(JNIC$@$HD>@\$D$J$2$k>l9g$K$O(J
$@;H$&$N$r$d$a$k$N$,NI$$$h$&$G$9(J.

Dual-Speed HUB $@$N>l9g$O0l8+@5>o$K@\B3$5$l$F$$$F$b(J, $@DL?.B.EY$,$A$c$s$H=P$F(J
$@$$$k$+(J 100base-TX $@$NB.EY$K$J$C$F$$$J$$$+$H$$$&E@$b5$$r$D$1$J$$$H$$$1$J$$$G$9(J.
$@$D$J$,$C$F$O$$$F$b!"<B8zB.EY$,A4A3$G$F$$$J$+$C$?$h$&$J$3$H$b$"$C$?7P83$"$j(J.
$@K\<B83$G$O(J, FTP-FTPD $@$G%G%#%9%/(JI/O $@$N%-%c%C%7%e$,8z$/DxEY$NBg$-$5$N%U%!%$%k(J
$@$r(J get/put $@$7$F!"(J2MByte/Sec$@!A(J4.5MByte/sec $@DxEY$N@-G=$rF@$^$7$?(J.

$@JXMx$=$&$J<+F0D4@05!G=$O(J, HUB$@B&$+(JNIC$@B&$N$$$:$l$+JRJ}B&$@$1$G$d$k$3$H$K(J
$@$J$C$F$$$?$i!"OC$,4JC1$@$C$?$N$G$7$g$&$,(J($@IaDL$K9M$($l$P=8@~$NI,MW$+$i(J
HUB$@B&$G$7$g$&$+(J)$@!"(JHUB $@$H(J NIC $@$NN>B&$G$d$i$l$k$H!"$A$c$s$H%W%m%H%3%k$r(J
$@7h$a$F$J$1$l$P$*8_$$$,$9$l0c$$$K$J$j$^$9(J.

$@$I$&$d$i!"(JHUB $@$H(J NIC $@$NAPJ}$K4X$7$F!"(JAUTO-NEGOTIATION $@$N5,3J$,(J, 
$@$"$k;~4|$+$iJQ99$K$J$C$?$+(J, FreeBSD$@$N(J de $@$N%I%i%$%P!<$O(J, pass2.0 $@$H(J 
pass2.2 $@$N%O!<%I%&%'%"$N:90[$r==J,$K9MN8$7$?$b$N$K$J$C$F$$$J$$$+(J,
$@$N$$$:$l$+$G$"$j$^$7$g$&(J. 
NIC$@$b$7$/$O(JHUB$@$N(JAUTO-NEGOTIATION$@$N<j=g(J/$@5,3J$,JQ99$K$J$C$?$N$G$"$k(J
$@$H$9$l$P!"%H%i%V%k$rKI$00Y$G$"$l$P8E$$$b$N$O;H$&$N$r$d$a$?J}$,(J
$@$h$$$+$b$7$l$^$;$s(J.

$@$b$7$+$9$k$H1~Ez$N%?%$%_%s%0$N4X78$+$i(J, $@%1!<%V%kD9$b1F6A$7$F$$$k(J
$@$+$b$7$l$^$;$s(J. $@K\<B83$G$O%1!<%V%k$ND9$5$O$=$l$>$lN><j$r1d$P$7$?(J
$@D9$5(J1.5m$@$G$"$j$^$9(J.

Planex($@5l<RL>(JPlanet)$@0J30$N(J de $@%+!<%I$G$O$I$&$J$s$G$7$g$&$+!)(J
