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--- linux:ipv6 [2009/03/31 18:07]
a + Building an IPv6 router with GNU/LinuxBuilding an IPv6 router with GNU/Linux
+++ linux:ipv6 [2012/10/27 13:12]
a [IPv4-IPv6 Tunnels]
@@ Line 1: / Line 1: @@
 ====== IPv6 in Linux ======
    * [[http://lucastomicki.net/ipv6.router.php|Building an IPv6 router with GNU/Linux]]
+   * [[http://www.gentoo.org/doc/en/ipv6.xml|Gentoo IPv6 Router Guide]] - good notes on dhcp/dns
+===== IPv4-IPv6 Tunnels =====
+**HE IPv6 Tunnel Broker http://tunnelbroker.net/**
+<code |/etc/network/interfaces>
+auto he6to4
+iface he6to4 inet6 v4tunnel
+  address xxx:yyy:uuu:zzz::2
+  netmask 64
+  gateway xxx:yyy:uuu:zzz::1
+  endpoint 216.66.84.46
+  local A.B.C.D      # needed if you have multiple external Interfaces
+  ttl 64             # needed because of a tunneling situation
+</code>
+**SIXXS Tunnel Broker http://www.sixxs.net**
+FIXME
+===== Basic configuration (Debian/ubuntu) =====
+<code |f /etc/network/interfaces>
+auto ethX
+iface ethX inet6 static
+   address xxxx:yyyy:uuuu:::1
+   netmask 64
+</code>
+<code |f /etc/sysctl.conf>
+net.ipv6.conf.default.forwarding=1
+</code>
+===== Basic configuration (RHEL/Fedora/CentOS) =====
+<code |f /etc/sysconfig/network>
+NETWORKING=yes
+NETWORKING_IPV6=yes
+HOSTNAME=linux
+</code>
+<code |f /etc/sysconfig/network-scripts/ifcfg-eth0>
+IPV6INIT=yes
+IPV6ADDR=<IPv6-IP-Address>
+IPV6_DEFAULTGW=<IPv6-IP-Gateway-Address>
+</code>
+Save and close the file. Restart networking:
+   # service network restart
+===== Router adv =====
+**Router side**
+<code | /etc/radvd.conf>
+interface eth0
+{
+        AdvSendAdvert on;
+        IgnoreIfMissing on;
+        MinRtrAdvInterval 3;
+        MaxRtrAdvInterval 30;
+        AdvDefaultPreference low;
+        AdvHomeAgentFlag off;
+        AdvManagedFlag  on;
+#       AdvOtherConfigFlag on;
+        prefix 2001:15c0:1000:1036::/64
+        {
+                AdvOnLink on;
+                AdvAutonomous off;
+                AdvRouterAddr off;
+        };
+        RDNSS 2001:15c0:1000:1036::1 2001:15c0:ffff:f::12
+        {
+                AdvRDNSSPreference 8;
+                AdvRDNSSOpen off;
+        };
+};
+</code>
+===== Router dibbler dhcpv6 =====
+**Router side**
+<code | /etc/dibbler/server.conf>
+ log-level 1
+ log-mode short
+ preference 0
+ iface eth1 {
+ option dns-server 2001:15c0:ffff:f::12,2001:15c0:1000:1036::1
+ option domain net.lan
+ option time-zone  CET
+ option lifetime 500
+ t1 1800-2000
+ t2 2700-3000
+ prefered-lifetime 3600
+ valid-lifetime 7200
+ class {
+   pool 2001:15c0:1000:1036::1/64
+ }
+}
+</code>