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Date: Fri, 19 Apr 2002 11:58:48 +0900
From: NAKAMURA Takeshi <1Yen@bigfoot.com>
To: FreeBSD-users-jp@jp.FreeBSD.org
In-Reply-To: <020419011349.M0104647@mistral.imasy.or.jp>
References: <20020418181625.47F6.1YEN@Bigfoot.COM> <020419011349.M0104647@mistral.imasy.or.jp>
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X-Sequence: FreeBSD-users-jp 68126
Subject: [FreeBSD-users-jp 68126] Re: Onbord ISA NIC(3Com 3C509)
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$BCgB<$G$9!#(B

 $B0lIt8@MUB-$i$:$@$C$?$h$&$G$9$N$G!"$b$&>/$7@bL@$r!#(B

 FreeBSD ==> DNS $B$X(B DNS query$B$NH/9T$7$^$9$,(B etherreal $B$G8+$k$H(B
User Datagram Protocol, Src Port:49503(49503), Dst Port: domain (53) $B$NCf$K(B
   Checksum: 0x0982 (incorrect, shuld be 0x0882)
 $B$H!"I=<($5$l$^$9!#(B

 $B$3$NLd$$9g$o$;$r(B FreeBSD$B<+?H$H(B NFS$B%5!<%P$G(B tcpdump $B$7$?J*$r(B etherreal $B$K(B
$B?)$o$;$F$_$?$H$3$m(B $BN>J}$H$b(B $B%?%$%`%9%?%s%W$,0c$&$@$1$GF1$8$h$&$K2u$l$F$$$^$7$?!#(B
 ($B$3$N(B2$B$D$O(B dumb HUB$B$r2p$7$F7R$,$C$F$$$^$9(B)

 $B$^$?!">e0L$N(B Switching HUB $B$K7R$$$G$b(B FreeBSD$B<+?H$G(B tcpdump $B$7$?J*$O(B
$BF1$8=j$,2u$l$F$$$^$7$?(B...$B<+J,$G8+$F$?$i(B HUB $B$rJQ$($?0UL#L5$$$G$9$M!#(B

DNS(192.168.30.202/24)
 |
Router
 |
dumb HUB---------+
 |               |
FreeBSD         NFS $B%5!<%P(B(Solaris)
192.168.31.142  192.168.31.105/24  ($BN>J}$H$b(B DHCP $B$K$F(BIP$B$r<hF@(B)

From:    mistral@imasy.or.jp (Yoshihiko SARUMARU)
Date:    Fri, 19 Apr 2002 01:13:49 +0900
Subject: [FreeBSD-users-jp 68122] Re: Onbord ISA NIC(3Com 3C509) $B$N@_Dj(B

>   NFS $B%5!<%P$d(B Proxy $B%5!<%P$OF1$8%O%V$G7R$,$C$F$$$k$1$l$I!"(BDNS
> $B%5!<%P$O$b$&$A$g$C$H1s$+$C$?$j$7$^$9!)(B
 $B$O$$!"(BHUB($BB?J,(B3$BBf(B) & Router $B$,F~$C$F$$$^$9!#(B

> $B!!@N(B GXL5100 $B$r;H$C$F$$$?:"!"F1$8%O%V$K$V$i2<$,$C$F$$$k(B($BF1$8It20(B
> $B$K$"$k(B)$B%[%9%H$K$OE~C#$G$-$k$1$l$I!"%O%V$N8~$3$&$K$$$k(B($B0c$&It20$K(B
> $B$"$k(B)$B%[%9%H$K$OE~C#$G$-$J$$$H$$$&$3$H$,$"$C$?$h$&$K5-21$7$F$$$^(B
> $B$9!#$^$@(B 2.1.5-RELEASE $B$N:"$G$h$/3P$($F$$$^$;$s$,!"$3$N;~$O%O%V(B
> $B$r8r49$7$?$iD>$j$^$7$?!#(B
 $B$&!A$s!"(BNFS$B%5!<%P$r(B DNS$B%-%c%C%7%e$K$9$l$PNI$$$N$+$J!)(B

>> # etherreal $B$G8+$k$H!";~4V>pJs0J300c$$$O$"$j$^$;$s$G$7$?!#(B
>    $B$@$C$?$i!"(BDNS query $B$O$A$c$s$HH/9T$G$-$F$$$k$N$G$O!)(B
$B!!>e5-$N$h$&$K!"(BNFS$B%5!<%P$N(B query $B$HHf3S$7$?$N$G$O$J$/!"B>$N%^%7%s$+$i(B
$B!V3N<B$K2u$l$F$k!W$H$$$&$N$r3NG'$7$?$@$1$J$N$G$9!#(B

> $BJL$NM}M3$GE~C#$7$F$$$J$$(B or $B5"$C$F$-$?$N$r<u$1<h$l$F$$$J$$$H$$$&(B
> $B2DG=@-$OH]Dj$5$l$?$s$G$7$g$&$+!)(B
 $B$A$g$C$H;n$7$F$_$?$H$3$m(B ping DNS$B%5!<%P(B $B$ODL$j$^$9$,!"(B
(tcp $B@\B3$G$9$,(B)telnet DNS$B%5!<%P(B 53 $B$O!"DL$i$J$$$G$9$M!#(B
 tcpdump $B$7$F(B etherreal $B$G8+$F$_$k$H(B...$B$d$C$Q$j(B
Transmission Control Protocol $B$NCf(B
   Checksum: 0x7953 (incorrect, shuld be 0x7853)
$B$H!"I=<($5$l$^$9!#(B
($B:F;n9T$N%Q%1%C%H$b(B $BCM<+BN$O0c$$$^$9$,(B Checksum $B$G(B incorrect $B$HI=<($5$l$^$9(B)
# $BF1$8%M%C%H%o!<%/$N(B NFS$B%5!<%P$+$i$O(B telnet DNS 53 $B$G@\B32DG=$G$9!#(B
# NFS$B%5!<%P$+$i$N(B DNSquery, telnet $B$N%Q%1%C%H$N(B Checksum $B$OA4$F(B correct $B$G$9!#(B

$B0J>e$+$i!"2?$+$o$+$j$^$9$G$7$g$&$+!#(B
----+----1----+----2----+----3----+----4----+----5----+----6----+----7----+
 $B4X@>2-Fl@DG/$N=8$$(B $B$,$8$^$k$N2q(B $B<jEA$$(B $B0l?M$@$1$N>!<j$K?@F`@n;YIt(B
 $BCgB<(B $BIp(B <1Yen@Bigfoot.COM>
# dumb HUB $B$G;W$$=P$7$?$,!"K?%W%m%P%$%@$NJ}$,(B $B%@%`C<(B $B$rCN$i$J$+$C$?$N$K$O$S$C$/$j(B
