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To: IPv6-jp@jp.freebsd.org, jinmei@isl.rdc.toshiba.co.jp
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Date: Fri, 28 Jan 2000 11:15:35 +0900
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Subject: [IPv6-jp 524] Re: source address selection via gif
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From: JINMEI Tatuya / $B?@L@C#:H(B <jinmei@isl.rdc.toshiba.co.jp>
Subject: [IPv6-jp 523] Re: source address selection via gif
Date: Thu, 27 Jan 2000 13:32:26 +0900

> >> 3.5 global address $B$r;}$C$F$$$J$$(B node $B$G!"(Bdestination address $B$N(B
> >> scope $B$,(B site-local $B$J$i!"B>$N(B interface $B$N(B site-local $B$bC5$9!#(B
> 
> jinmei> $B$H$$$&$N$b$A$g$C$HD>@\E*2a$.$k$H$$$&5$$O$7$^$9!#(B
> 
> >   outgoing interface $B>e$G$N(B longest match $B$r$9$k:]$OF10l(B scope $B$G9T$&(B
> > $B$N$KBP$7!"B>$N(B interface $B$+$iC5$9>l9g$K$O(B global $B$N$_$rBP>]$K$7$F$$$k(B
> > $B$H$$$&$N$OE}0l@-$K7g$1$F$$$k$N$G$O$J$$$G$7$g$&$+!)(B
> 
> $B7g$1$F$$$k$H;W$$$^$9!#(B
> 
> > 		if (IPV6_ADDR_SCOPE_GLOBAL != 
> > 		    in6_addrscope(&(ia->ia_addr.sin6_addr)))
> > 			continue;
> 
> > $B$r(B
> 
> > 		if (dst_scope != in6_addrscope(&ia->ia_addr.sin6_addr))
> > 			continue;
> 
> > $B$H$9$k$3$H$G(B ($B$3$N%1!<%9$K$D$$$F$O(B) $B5_$($=$&$J5$$,$7$^$9$,G!2?$G$7$g$&!)(B
> 
> $B5_$($k$G$7$g$&!#$7$+$7!"(B
> 
> - link-local$B$H(Bglobal$B$7$+;}$C$F$$$J$$$H$-$K!"(B
> - site-local$B08$F$K%Q%1%C%H$r=P$=$&$H$7$F!"(B
> - $B$7$+$b$=$N(Boutgoing interface$B>e$K$O(Blink-local$B$7$+$J$$(B
> 
> $B>l9g$O5_$($^$;$s!#$H$$$&$o$1$G!"$h!<$/9M$($F<BAu$7$J$$$H$$$m$$$mH4$1$d(B
> $BL7=b$,=P$F$7$^$&$o$1$G$9!#(B

$B$3$s$J$N$O$I$&$G$7$g$&!#(B
# gif $BFCJL07$$$G$9$,!D(B

(1) outgoing interface $B$+$i!"F1$8(B scope $B$rC5$9!#(B
(2) outgoing interface $B$,(B gif $B$J$i(B
    gif $B$N(B outer IPv[46] $B$N(B source $B$HF1$8%"%I%l%9$r;}$D(B interface $B$+$i!"(B
    $BF1$8(B scope $B$rC5$9!#(B
(3) outgoing interface $B$,(B gif $B$J$i(B
    gif $B$N(B outer IPv[46] $B$N(B destination $B$X$N(B outgoing interface $B$+$i!"(B
    $BF1$8(B scope $B$rC5$9!#(B
(4) $B$9$Y$F$N(B interface $B$+$i!"F1$8(B scope $B$rC5$9!#(B

(5) (1)$B!A(B(4)$B$N4V$K!"$h$jBg$-$$(B scope $B$rC5$7$F$*$/!#(B
(6) (1)$B!A(B(4)$B$N4V$K!"(Bdeprecated $B$J!"F1$8(B scope $B$rC5$7$F$*$/!#(B
(7) (1)$B!A(B(4)$B$N4V$K!"(Bdeprecated $B$J!"$h$jBg$-$$(B scope $B$rC5$7$F$*$/!#(B

# $B=gHV$O$A$c$s$H9M$($F$$$^$;$s!#(B

$BMW$O!"(Boutgoing interface $B$,F1$8(B scope $B$r;}$?$J$$(B gif $B$N>l9g$O!"$=$N(B
outer IPv[46] $B$N(B source/destination address $B$K4XO"$9$k(B interface $B$+$i(B
$B$bF1$8(B scope $B$rC5$9$h$&$K$9$k$H!"$A$g$C$H9,$;$K$J$l$?$j$7$J$$$G$7$g$&(B
$B$+$H$$$&$3$H$G$9!#(B
