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From: Shunsuke SHINOMIYA <shino@fornext.org>
To: FreeBSD-users-jp@jp.FreeBSD.org
In-Reply-To: <ygefxq17rp2.wl%ume@mahoroba.org>
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Date: Thu, 24 Jul 2008 11:45:15 +0900
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Subject: [FreeBSD-users-jp 91743] Re: IPv6_over_IPv4_tunnel
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$B!!<D5\$G$9!#(B

> shino> ifconfig gif0 mtu 1500
> 
>   gif $B%H%s%M%k$rD%$k7PO)>e$N(B ether $B$N(B mtu $B$,(B 1500 $B$@$H$9$k$H!"(Bgif $B$N(B
> mtu $B$O:GBg$G$b!X(B1500 - IPv4 $B%X%C%@J,!Y$K$7$J$$$H5M$^$k$O$:$G$9!#(B

$B!!:#2s$O;n$7$F$$$J$$$N$G$9$,!"(BFreeBSD 6.3R$B$G$&$^$/%U%i%0%a%s%H$5$l$FDL$C(B
$B$?$h$&$J5-21(B(tcpdump$B$G3NG'$7$?$h$&$J!&!&!&(B)$B$,$"$k$N$G$9$,!"<+?.$O$"$j$^(B
$B$;$s!#(B

$B!!:#2s$N7o$G$O!"$*$=$i$/(Bhost A$B$,$I$3$+$HD%$C$F$$$k%H%s%M%k$N(BMTU$B$,!">.$5(B
$B$$(B(1280?)$B$G$7$g$&$+$i!">.$5$$CM$K$9$k$N$,NI$$$H;W$$$^$9!#(B
# $B$=$N%V%j%C%8$G!"$D$$$G$K(BIPv4(MTU 1500?)$B$NDL?.$b$7$h$&$H$9$k$H5M$^$j$^(B
$B$9$,(B

>   $B$H$$$&$o$1$G!"(Bbridge $B%$%s%?%U%'!<%9$bB>$N%$%s%?%U%'!<%9$HF1MM$K<+F0E*(B
> $B$K%j%s%/%m!<%+%k%"%I%l%9$rIU$1$k$h$&$K$9$Y$-$+$I$&$+!"$"$k$$$O$b$C$HNI(B
> $B$$J}K!$,$J$$$+G:$s$G$$$^$9!#(B

$B!!$I$A$i$+$H$$$&$H!"<jF0$G$D$1$k%j%s%/%m!<%+%k%"%I%l%9$r7h$a$k$3$H$r3Z$7(B
$B$?$$$H$$$&M}M3$J$N$G$9$,!"(B
ifconfig bridge? inet6 linklocal
$B$J$I$G$-$k$H$&$l$7$$$G$9!#(B

# ifconfig bridge? inet6 fe80::/64 eui64
# $B$G$$$1$k$+$H$b;W$C$?$N$G$9$,!"$@$a$G$7$?!#(B

$B!!(Bbridge$B%$%s%?%U%'!<%9$K(BIP$B%"%I%l%9$r$D$1$k$3$H<+BN!":#2s$N(Bhost B$B$N$h$&$K(B
gif$B$@$1$r%a%s%P$H$7$FF0$+$9>l9g(B(MAC$B%"%I%l%9$r;}$D(Bnif$B$,%a%s%P$K$$$J$$(B)$B$J(B
$B$I!"8B$i$l$?>l9g$@$1$@$H;W$$$^$9$N$G!"<+F0$G$O$D$+$J$/$FNI$$$N$+$H;W$$$^(B
$B$9!#(B

-- 
Shunsuke SHINOMIYA <shino@fornext.org>

