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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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 <META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9">
 <TITLE>Linux IPv6 FAQ/HOWTO: ($BLuCm(B) RADVD Introduction</TITLE>
 <LINK HREF="linux-ipv6-6.html" REL=previous>
 <LINK HREF="linux-ipv6.html#toc7" REL=contents>
</HEAD>
<BODY>
$B<!$N%Z!<%8(B
<A HREF="linux-ipv6-6.html">$BA0$N%Z!<%8(B</A>
<A HREF="linux-ipv6.html#toc7">$BL\<!$X(B</A>
<HR>
<H2><A NAME="radvd"></A> <A NAME="s7">7. ($BLuCm(B) RADVD Introduction</A></H2>

<P>by Lars Fennberg &lt;lf@elemental.net&gt; 
<P>IPv6 $B$O(B IPv4 $B$h$j$5$i$K?J$s$@<+F0@_Dj$r%5%]!<%H$7$F$$$k!#(B
$B$7$+$7$=$N$?$a$K$O!"$3$N<+F0@_Dj$O%M%C%H%o!<%/>e$N%[%9%H$GF0:n$7!"(B
$B%m!<%+%k%M%C%H%o!<%/$N%k!<%?$O%[%9%H$N<+F0@_DjMW5a$K(B
$BEz$($kF0:n$,I,MW$K$G$"$k!#(B
<P>Linux $B$G$O$3$N%W%m%0%i%`$O(B radvd (Router ADVertisement Daemon
$B!'%k!<%?DLCN%G!<%b%s(B) $B$H$h$P$l$k!#(B
$B$3$N%G!<%b%s$O%k!<%?MW@A(B(RS)$B$rJ9$-!"%k!<%?DLCN(B(RA)$B$rEz$($k!#(B
$B$J$*!"5a$a$i$l$J$$MW5a$bAw$i$l$k!#(B
<P>$B$3$l$i$N(B RA $B$K$O%[%9%H$N%$%s%?!<%U%'!<%9$N@_Dj$K;HMQ$5$l$k>pJs$r4^$s$G$$$k!#(B
$B$3$N>pJs$O!"%"%I%l%9%W%j%U%C%/%9!"%G%U%)%k%H%k!<%?$N7PO)(BMTU $B$H>pJs$,(B
$B4^$^$l$F$$$k!#(B
<P>$B$b$A$m$s!"%k!<%?<+?H$O<+F0@_Dj$G$-$J$$$?$a!"%k!<%?>pJs$O(B
$B%7%9%F%`$N4IM}?M$K$h$C$F@_Dj$5$l$J$1$l$P$J$i$J$$!#(B
$B$3$l$O!"%$%s%?!<%U%'!<%9$H7PO)$N<jF0@_Dj$H!"%k!<%?DLCN%G!<%b%s$N@_Dj$K(B
$B$h$C$F$*$3$J$o$l$k!#(B
<P>$B4JC1$J@_Dj%9%/%j%W%H$O0J2<$N$h$&$K$J$k!#(B
<P>
<BLOCKQUOTE><CODE>
<PRE>
interface eth0 {
        AdvSendAdvert on;
        prefix 5f15:9100:c2dd:1400:8000::0/80
        {
                AdvOnLink on;
                AdvAutonomous on;
        };
};
</PRE>
</CODE></BLOCKQUOTE>
<P>$B$3$l$O!"(Bradvd $B$,!"(Beth0 $B$G(B80$B$ND9$5$N%W%j%U%#%C%/%9(B
5f04:f900:c2dd:1400:8000::0 $B$rN.$7$F$$$k!#(B
$B%W%j%U%#%C%/%9$O(B autonomous (AdvAutonomous $B$,(Bon) $B$+$D!"(Bon-link
(AdvOnLink $B$,(B on)$B$G$k!#$=$N$[$+$N%*%W%7%g%s$O%G%U%)%k%H$NCM$G$"$k!#(B
<P>Autonomous $B$O$=$N%W%j%U%#%C%/%9$,<+F0%"%I%l%9@_Dj$K$D$+$($F$k$3$H$G!"(B
on-link $B$O$=$N%[%9%H$,!"A4$F$N$3$N%W%j%U%#%C%/%9$r;HMQ$9$k%^%7%s$,(B
RA$B$r<u?.$7$?%^%7%s$+$iE~C#2DG=$H2>Dj$G$-$k$3$H$r<($9!#(B
<P>$B$=$N%W%j%U%#%C%/%9$O!"$3$NNc$N$h$&$K%i%s%@%`$KA*$V$3$H$O$G$-$J$+$C$?!#(B
$B$=$l$O(B RFC 1897 (IPv6 $B$N%F%9%H%"%I%l%93dEv$F(B)$B$K$b$H$E$$$F7hDj$5$l$?!#(B
$B$=$N>e!"%W%j%U%#%C%/%9D9$b<+M3$KA*$Y$:!"%M%C%H%o!<%/%a%G%#%"$K$h$C$F(B
$B7hDj$5$l$k!#(B
$B%$!<%5%M%C%HMQ$K$O!"%W%j%U%#%C%/%9D9$O(B80$B$G$"$k$,!"$3$l$O(B
48bit $BD9$N%$!<%5%M%C%H%O!<%I%&%'%"%"%I%l%9$H!"(B128bit $B$N(BIPv6 $B%"%I%l%9$r(B
$B7k$S$D$1$k$b$N$@!#(B
$B>\:Y$O!"(BRFC 1971 (IPv6 Stateless Address Autoconfiguration) $B$*$h$S!"(B
RFC 1972 (A Method for the Transmission of IPv6 Packets over Ethernet Networks)
$B$r;2>H$N$3$H!#(B
<P>$B$h$j>\$7$$(B radvd $B$N@_Dj$K4X$9$k>pJs$O(B radvd $B$NG[I[$K4^$^$l$F$$$^$9!#(B
<P>$B%[%9%H>e$N%$%s%?!<%U%'!<%9$,(B UPed $B$H(BRA $B$r<u?.$7$?$H$-!"$=$N%[%9%H$O(B
$B%W%j%U%#%C%/%9$H!"%$!<%5%M%C%H%O!<%I%&%'%"%"%I%l%9$r;H$C$F!"(B
$B%"%I%l%9$N@_Dj$,$G$-$k!#(B
$B<!$K(B1$BNc$r$"$2$k!#(B
<P>
<BLOCKQUOTE><CODE>
<PRE>
Announced prefix    5f15:9100:c2dd:1400:8000:0000:0000:0000

Link-layer token                             0800:0040:1726

Configured address  5f15:9100:c2dd:1400:8000:0800:0040:1726
</PRE>
</CODE></BLOCKQUOTE>
<P>$B%[%9%H$O!"%G%U%)%k%H%k!<%?$NA*Br$r(B RA $B$rD4$Y$F<B9T$G$-$k!#(B
$B$3$l$O!"(BIPv6 $B$N$_$N%[%9%H$OC1$K%$%s%?!<%U%'!<%9$K(B UP $B$r$*$3$J$&$@$1$G!"(B
$B$=$l0J30$O<+F0$G$*$3$J$o$l$k$3$H$r0UL#$9$k!#(B
<P>$B$=$N$?$a!"2f!9$,(B radvd $B$r@_Dj$7$?$H$-$O!"%$%s%?!<%U%'!<%9$N@_Dj$H!"(B
$B%k!<%?$G$N7PO)$N@_Dj$,$^$@I,MW$G$"$k!#(B
$B4JJX$K$9$k$?$a!"2f!9$O$?$@0l$D$N%$%s%?!<%U%'!<%9$,$"$j!"(B
$B%k!<%?$,%H%s%M%j%s%0$r;H$C$F!V30$N@$3&!W$XDL?.$5$l$k$3$H$K$9$k!#(B
<P>$B2<$NNc$O!"(BIPv6 $B$N%k!<%?$G$N@_Dj$N%7%'%k%9%/%j%W%H$G$"$k!#(B
$B$3$l$O!"K\Ev$K;d$N;H$C$F$$$k%k!<%?$HF1$8$b$N$G$9!#(B... :)
<P>$B8+$F$NDL$j!"%"%I%l%9$H7PO)$r<j$G2C$($F!"(BIPv6 over IPv4 $B$N%H%s%M%k$r(B
$B@_Dj$7$F$$$^$9!#(B
<P>/etc/init.d/functions $B$O!"$A$g$C$H$7$?=u$1$K$J$k4X?t$,$"$D$^$C$F$$$F!"(B
radvd $B$r(B kill $B$9$k$N$K(B "stop" $B$,I,MW$G$7$g$&!#(B
/usr/ipv6/sbin $B$O!"(BIPv6 $B$N(B net-tools $B$H!"(Bradvd $B$N?7$7$$%P!<%8%g%s$,(B
$B%$%s%9%H!<%k$5$l$F$$$^$9!#(B
$B$3$l$r(B PATH $B$N@hF,$KF~$l$F!"(BIPv6 $B4XO"%W%m%0%i%`$N0JA0$N%P!<%8%g%s$h$j(B
$B@h$K8+$D$+$k$h$&$K$7$F$$$^$9!#(B
<P>$B$3$N%9%/%j%W%H$O!"(Beth0 $B$N$h$&$JDL>o$N%$%s%?!<%U%'!<%9$G$N$b$N$G!"(B
$B$9$G$K(B IPv4 $B$J$I$G@_Dj$5$l$F$$$k$H$7$^$9!#(B
<P>
<BLOCKQUOTE><CODE>
<PRE>
#! /bin/sh

. /etc/init.d/functions

PATH=/usr/ipv6/sbin:/usr/ipv6/bin:/bin:/usr/bin:/sbin:/usr/sbin
export PATH

case "$1" in
  start)
        # enable forwarding
        echo 1 >/proc/sys/net/ipv6/ipv6_forwarding 

        # get IPv6-over-IPv4 tunnels up (enables automatic tunneling to 0::0/96)
        ifconfig sit0 up

        # configure the local interface
        ifconfig eth0  add 5f15:9100:c2dd:1400:8000:0080:ad1c:22ca/80
        route -A inet6 add 5f15:9100:c2dd:1400:8000::0/80 dev eth0

        # if you're on the 6bone you can setup tunnels like shown below.
        # every ifconfig sit0 tunnel 0::&lt;other-tunnel-endpoint-ip&gt;
        # creates a new sit interface. they're named sequentially (sit1,
        # sit2, sit3 and so on)

        # setup a tunnel to NRL
        ifconfig sit0 tunnel 0::132.250.90.5
        ifconfig sit1 up
        route -A inet6 add 5f00::0/8 gw fe80::132.250.90.5 dev sit1

        # setup a tunnel to G6
        ifconfig sit0 tunnel 0::129.88.26.1
        ifconfig sit2 up
        route -A inet6 add 5f06:b500::/32 gw fe80::129.88.26.1 dev sit2

        # start router advertisement daemon
        radvd
    ;;
  stop)
        killproc radvd
        ifconfig sit0 down
    ;;
  *)
    echo "Usage: /etc/init.d/ipv6 {start|stop}"
    exit 1
esac

exit 0
</PRE>
</CODE></BLOCKQUOTE>
<P>
<PRE>
Last changed: Sat Mar  1 19:17:33 MET 1997
Copyright &copy;1997 Lars Fennberg &lt;lf@elemental.net
</PRE>
<P>
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