> It seems to Do The Right Thing for my single-homed endhost case
> (unfortunately I still do not have a router I can test). There is one
> change I would make, as a result of some feedback from Ollivier Robert
> <[EMAIL PROTECTED]>: All instances of the variable $mroute6d
> should probably be replaced by $mroute6d_program. (Most of the
> variables defining programs in /etc/defaults/rc.conf are of the form
> *_program.)
I fixed it and other problems, and added another changes. (In
particular, I mistakenly left my testing part in router
case. Sorry.)
I'll attach the new diffs.
> I think it's important that we get something like this commited before
> the release, if we want to say we're serious about supporting IPv6 in
> FreeBSD 4.0-RELEASE. It's asking a little too much of users to figure
> out the right sequence of commands to bring up an IPv6 node, so that
> they can stick it into /etc/rc.local or something like that.
OK, but I'll wait some more time to check if there is any
problems.
Yoshinobu Inoue
Index: rc
===================================================================
RCS file: /home/ncvs/src/etc/rc,v
retrieving revision 1.210
diff -u -r1.210 rc
--- rc 2000/02/03 06:06:36 1.210
+++ rc 2000/02/15 18:42:06
@@ -191,6 +191,15 @@
network_pass1
fi
+case ${ipv6_enable} in
+[Yy][Ee][Ss])
+ if [ -r /etc/rc.net6 ]; then
+ . /etc/rc.net6 # We only need to do this once also.
+ net6_pass1
+ fi
+ ;;
+esac
+
# Mount NFS filesystems.
echo -n "Mounting NFS file systems"
mount -a -t nfs
Index: rc.net6
===================================================================
RCS file: rc.net6
diff -N rc.net6
--- /dev/null Tue Feb 15 09:59:59 2000
+++ rc.net6 Tue Feb 15 10:42:07 2000
@@ -0,0 +1,198 @@
+#! /bin/sh
+# $FreeBSD$
+
+# Note that almost all of the user-configurable behavior is no longer in
+# this file, but rather in /etc/defaults/rc.conf. Please check that file
+# first before contemplating any changes here. If you do need to change
+# this file for some reason, we would like to know about it.
+
+# IPv6 startup
+
+net6_pass1() {
+
+ echo -n 'Doing IPv6 network setup:'
+
+ if [ X"${ipv6_gateway_enable}" = X"YES" ]; then
+ #
+ # list of interfaces, and prefix for interfaces
+ # NOTE: no trailing double colon necessary here!
+ #
+ case ${ipv6_network_interfaces} in
+ [Aa][Uu][Tt][Oo])
+ ipv6_network_interfaces="`ifconfig -l`"
+ ;;
+ esac
+ else
+ #
+ # manual configurations - in case ip6router=NO
+ # you can configure only single interface,
+ # as specification assumes that
+ # autoconfigured host has single interface only.
+ #
+ case ${ipv6_network_interfaces} in
+ [Aa][Uu][Tt][Oo])
+ ipv6_network_interfaces="`ifconfig -l \
+ | sed -e 's/ .*//'`"
+ ;;
+ esac
+ fi
+
+ # tool locations
+ prefixconfig=/usr/sbin/prefix
+ rtsol=/sbin/rtsol
+ gifconfig=/usr/sbin/gifconfig
+ route=/sbin/route
+ rtadvd=/usr/sbin/rtadvd
+ ndp=/usr/sbin/ndp
+
+ # just to make sure
+ ifconfig lo0 up
+
+ #determine the "default interface" used below
+ #if [ X"$defaultiface" = X"" ]; then
+ # use 1st interface in the list
+ # for i in $ipv6_network_interfaces; do
+ # defaultiface=$i
+ # break
+ # done
+ #fi
+ # disallow unicast packets without outgoing scope identifiers.
+ # if you instead want to route such packets to a "default" interface,
+ # comment out the 1st two lines, and enable the lines after them.
+ if [ X"$defaultiface" != X"" ]; then
+ $route add -inet6 fe80:: ::1 -prefixlen 10 -interface \
+ -ifp $defaultiface -cloning
+ $route add -inet6 fec0:: ::1 -prefixlen 10 -interface \
+ -ifp $defaultiface -cloning
+ else
+ $route add -inet6 fe80:: -prefixlen 10 ::1 -reject
+ $route add -inet6 fec0:: -prefixlen 10 ::1 -reject
+ fi
+
+ # disallow "internal" addresses to appear on the wire
+ $route add -inet6 ::ffff:0.0.0.0 -prefixlen 96 ::1 -reject
+ $route add -inet6 ::0.0.0.0 -prefixlen 96 ::1 -reject
+
+ if [ X"${ipv6_gateway_enable}" = X"YES" ]; then
+ # act as a router
+ sysctl -w net.inet6.ip6.forwarding=1
+ sysctl -w net.inet6.ip6.accept_rtadv=0
+
+ # wait for DAD
+ for i in $ipv6_network_interfaces; do
+ ifconfig $i up
+ done
+ sleep `sysctl net.inet6.ip6.dad_count | awk '{print $NF}'`
+ sleep 1
+
+ # setting up interfaces
+ for i in $ipv6_network_interfaces; do
+ eval prefix=\$prefix_$i
+ if [ X"$prefix" = X"" ]; then
+ continue
+ fi
+ for j in $prefix; do
+ if [ -x $prefixconfig ]; then
+ $prefixconfig $i $j::
+ else
+ laddr=`ifconfig $i inet6 \
+ | grep 'inet6 fe80:' \
+ | head -1 | awk '{print $2}'`
+ hostid=`echo $laddr | sed -e
+'s/fe80:[0-9a-fA-F]+::/fe80::/' -e 's/fe80:://' -e 's/@.*//'`
+ address=$j\:$hostid
+
+ eval hostid_$i=$hostid
+ eval address_$i=$address
+
+ ifconfig $i inet6 $address \
+ prefixlen 64 alias
+ fi
+
+ # subnet-router anycast address (rfc2373)
+ ifconfig $i inet6 $j:: prefixlen 64 \
+ alias anycast
+ done
+
+ ifconfig $i inet6
+ done
+
+ # again, wait for DAD's completion (for global addrs)
+ sleep `sysctl net.inet6.ip6.dad_count | awk '{print $NF}'`
+ sleep 1
+
+ # gifconfig
+ case ${gifs} in
+ [Nn][Oo] | '')
+ ;;
+ *)
+ for i in $gifs; do
+ eval peers=\$gifconfig_$i
+ if [ X"$peers" = X"" ]; then
+ continue
+ fi
+ $gifconfig $i $peers
+ done
+ ;;
+ esac
+
+ # ipv6_router
+ if [ X"${ipv6_router_enable}" = X"YES" -a -x $ipv6_router ]; then
+ $ipv6_router $ipv6_router_flags
+ fi
+
+ # rtadvd
+ # This should enabled with a great care.
+ # You may want to fine-tune /etc/rtadvd.conf.
+ #
+ # And if you wish your rtadvd to receive and process
+ # router renumbering messages, specify your Router Renumbering
+ # security policy by -P option.
+ #
+ # See `man 3 ipsec_set_policy` for IPsec policy specification
+ # details.
+ # (CAUTION: This enables your routers prefix renumbering
+ # from another machine, so if you enable this, do it with
+ # enough care.)
+ #
+ if [ X"${rtadvd_enable}" = X"YES" -a -x $rtadvd ]; then
+ # default
+ $rtadvd $ipv6_network_interfaces
+ #
+ # Enable Router Renumbering, unicaset case
+ # (use correct src/dst addr)
+ # $rtadvd -P "in ipsec
+ah/transport/fec0:0:0:1::1-fec0:0:0:10::1/require" \
+ $ipv6_network_interfaces
+ # Enable Router Renumbering, multicast case
+ # (use correct src addr)
+ # $rtadvd -P "in ipsec
+ah/transport/ff05::2-fec0:0:0:10::1/require" \
+ $ipv6_network_interfaces
+ fi
+
+ # mroute6d
+ if [ X"${mroute6d_enable}" = X"YES" -a -x $mroute6d ]; then
+ $mroute6d_program $mroute6d_flags
+ fi
+ else
+ # act as endhost - automatically configured
+ sysctl -w net.inet6.ip6.forwarding=0
+ sysctl -w net.inet6.ip6.accept_rtadv=1
+
+ ifconfig $ipv6_network_interfaces up
+ $rtsol $ipv6_network_interfaces
+
+ # install the "default interface" to kernel, which will be used
+ # as the default route when there's no router.
+ # [ -x $ndp ] && $ndp -I $defaultiface
+
+ # wait for DAD's completion (for global addrs)
+ sleep `sysctl net.inet6.ip6.dad_count | awk '{print $NF}'`
+ sleep 1
+ fi
+
+ echo '.'
+
+ # Let future generations know we made it.
+ #
+ net6_pass1_done=YES
+}
+
Index: defaults/rc.conf
===================================================================
RCS file: /home/ncvs/src/etc/defaults/rc.conf,v
retrieving revision 1.48
diff -u -r1.48 rc.conf
--- defaults/rc.conf 2000/02/06 19:25:00 1.48
+++ defaults/rc.conf 2000/02/15 18:42:08
@@ -184,6 +184,28 @@
### Miscellaneous network options: ###
icmp_bmcastecho="NO" # respond to broadcast ping packets
+### IPv6 options: ###
+ipv6_enable="NO" # Set to YES to set up for IPv6.
+ipv6_network_interfaces="auto" # List of network interfaces (or "auto").
+ipv6_gateway_enable="NO" # Set to YES if this host will be a gateway.
+ipv6_router_enable="NO" # Set to YES to enable an IPv6 routing daemon.
+ipv6_router="/usr/sbin/route6d" # Name of IPv6 routing daemon.
+ipv6_router_flags="" # Flags to IPv6 routing daemon.
+#ipv6_router_flags="-l" # example for route6d with IPv6 site local addr
+#ipv6_network_interfaces="ed0 ep0" #examples for router
+#prefix_ed0="fec0:0000:0000:0001 fec0:0000:0000:0002" #examples for router
+#prefix_ep0="fec0:0000:0000:0003 fec0:0000:0000:0004" #examples for router
+rtadvd_enable="NO" # Set to YES to enable an IPv6 Router
+ # Advertisement daemon
+mroute6d_enable="NO" # Do IPv6 multicast routing.
+mroute6d_program="/usr/sbin/pim6dd" # Name of IPv6 multicast routing daemon
+mroute6d_flags="" # Flags to IPv6 multicast routing daemon.
+gifs="NO" # List of GIF tunnels (or "NO").
+#gifs="gif0 gif1" #examples typically for a router
+#gifconfig_gif0="10.1.1.1 10.1.2.1" #examples typically for a router
+#gifconfig_gif1="10.1.1.2 10.1.2.2" #examples typically for a router
+defaultiface="" # Default output interface for scoped addrs
+
##############################################################
### System console options #################################
