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References: <004401bf7ee6$34f34800$fb8790d2@gateway>
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From: Yoshinori TOMITA <yoshint@flab.fujitsu.co.jp>
In-Reply-To: <004401bf7ee6$34f34800$fb8790d2@gateway>
 (Masahiro Ariga's message of "Fri, 25 Feb 2000 01:41:51 +0900")
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Date: Fri, 25 Feb 2000 09:46:50 +0900
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Subject: [FreeBSD-net-jp 2296] Re: multicast
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$BIYED$H$$$$$^$9!#(B

>> On Fri, 25 Feb 2000 01:41:51 +0900, "Masahiro Ariga"
>> <mariga@cd.mbn.or.jp> said:

Ma> arp -s 192.168.76.68 0:0:e2:1f:30:9f
Ma> 192.168.76.68 $B$O(BServer$B$KNY@\$9$k(BRouter$B$N(BInput IF$B$N(BIP$B$G$9!#(B

$B$3$N!V(BRouter$B!W$H$$$&$N$,!"(Barp$B%F!<%V%k$G(Bincomplete$B$K$J$C$FDL?.$G$-$J$/$J$C(B
$B$F$7$^$&$b$N$G$7$?$h$M!#$3$l$O!"?^Cf$N(Brouter-1$B$H$N$3$H$G$9$+!)(B

>(Configuration-1)
>               ___
>       win NT |   |
>       PC     |___|
>       _________|___ Network-1
>          _|_
>         |   | Mcast
>         |___| Server
>       ____|________ Network-2
>          _|_
>         |   | Mcast
>         |___| router-1
>       ____|________ Network-3
>          _|_
>         |   | Mcast
>         |___| router-2
>       ____|________ Network-4
>               _|_
>       win NT |   |
>       Client |___|
>


$B!V(BMcast Server$B!W$H!V(BMcast router-1$B!W$N4V$G!"DL?.$,$G$-$J$/$J$C$F$$$k$H$$(B
$B$&>u67$J$N$G$7$g$&$+!)$^$:$O!"%^%k%A%-%c%9%H$r9M$($kA0$K!"%f%K%-%c%9%H$G(B
$B@5>o$KDL?.$G$-$k$+(B($B?^Cf$N$9$Y$F$N%^%7%s$N4V$G(B)$B$r%A%'%C%/$9$k$H$h$$$H;W$$(B
$B$^$9!#(B

> $B$5$i$K!"$*$+$7$J$3$H$K!"(BServer$B!](BClient$B$N%G!<%?E>Aw$$$C$5$$$;$:$K!"$?$@(B
> $B%^%7!<%s$rN)$A>e$2$F$*$$$?$@$1$G$b#2#0J,0L8e$K(Barp $B$7$F$_$k$H$I$l$+$,(B
> incomplete$B$H$J$j$^$9!#(B

$B$3$&$$$&>u67$O!":,K\E*$KJQ$G$9$+$i!#$3$l$,$J$/$J$C$F$+$i!"(Bmtest$B$r;H$&$J(B
$B$I$7$F!"%^%k%A%-%c%9%H$N3NG'$KF~$k$Y$-$G$9!#(B


$B>/$J$/$H$b!"!V(BMcast Server$B!W$H!V(BMcast router-1$B!W$N(B2$B$D$G!"(B
"ifconfig -a"$B$H(B"netstat -nr"$B$r(B($BI,MW$G$7$?$iE,Ev$KIz$;;z$K$7$F(B)$B8+$;$F$b$i(B
$B$($k$H!"$_$J$5$s$K$b$C$H$O$C$-$j$H>u67$,EA$o$k$H;W$$$^$9!#(B


>> * mtest$B$G(Bjoin/leave$B$7$?$i%Q%1%C%H$,G[Aw(B/$BDd;_$5$l$k$+!#(B
Ma> mtest$B$N;H$$J}$,$h$/J,$+$i$J$$$N$G$9$,!"$H$K$+$/<!$N$h$&$K<B9T$7$F$_$^$7$?$,(B
Ma> $BN>J}$H$b%+!<%=%k$,=P$?$^$^$@$s$^$j>uBV$K$J$j$^$7$?!#(B


mtest$B$O!"0J2<$N$h$&$J46$8$G!"J#?t$N%^%7%s$G;H$$$^$9!#(B

$B%[%9%H(B1 % mtest [$B%j%?!<%s%-!<(B]
multicast membership test program; enter ? for list of commands
j 224.9.9.9 $B!Z%[%9%H(B1$B$N(BIP$B%"%I%l%9![(B [$B%j%?!<%s%-!<(B]
group joined $B"+(B $B$HI=<($5$l$k(B

$B%[%9%H(B2 % mtest [$B%j%?!<%s%-!<(B]
j 224.9.9.9 $B!Z%[%9%H(B2$B$N(BIP$B%"%I%l%9![(B [$B%j%?!<%s%-!<(B]
group joined $B"+(B $B$HI=<($5$l$k(B

$B$H$$$&$h$&$K!"(B2$BBf$N%^%7%s$G<B9T$7$^$9!#$3$N$^$^(Bmtest$B$r=*N;$;$:$K$7$F$*$-!"(B
$B%^%k%A%-%c%9%H%"%I%l%9(B224.9.9.9$B$X(Bping$B$9$k$H!"(Bjoin$B$7$?%^%7%s$9$Y$F$+$iJV(B
$B;v$,$+$($C$F$-$^$9!#(B

$B%[%9%H(B2 % ping 224.9.9.9
PING 224.9.9.9 (224.9.9.9): 56 data bytes
64 bytes from $B%[%9%H(B1$B$N(BIP$B%"%I%l%9(B: icmp_seq=0 ttl=255 time=0.101 ms
64 bytes from $B%[%9%H(B2$B$N(BIP$B%"%I%l%9(B: icmp_seq=0 ttl=255 time=0.255 ms (DUP!)
... $B$D$E$/(B ...


$B!V(BMcast Server$B!W!"!V(BMcast router-1$B!W!"!V(BMcast router-2$B!W$N(B3$B$D$G!"F1$8$h(B
$B$&$K(Bmtest$B$r<B9T$7!"%^%k%A%-%c%9%H$GDL?.$G$-$F$$$k$+$I$&$+$r<B83$G$-$^$9!#(B

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