Make RA without DHCPv6 possible.

dnsmasq.conf.example

@@ -157,6 +157,13 @@
 # an explicit netmask instead.
 #dhcp-range=192.168.0.0,static
 
+# Enable DHCPv6. Note that the prefix-length does not need to be specified
+# and defaults to 64 if missing/
+#dhcp-range=1234::2, 1234::500, 64, 12h
+
+# Not Router Advertisements, BUT NOT DHCP for this subnet.
+#dhcp-range=1234::, ra-only 
+
 # Supply parameters for specified hosts using DHCP. There are lots
 # of valid alternatives, so we will give examples of each. Note that
 # IP addresses DO NOT have to be in the range given above, they just
@@ -219,6 +226,12 @@
 # any machine with Ethernet address starting 11:22:33:
 #dhcp-host=11:22:33:*:*:*,set:red
 
+# Give a fixed IPv6 address and name to client with 
+# DUID 00:01:00:01:16:d2:83:fc:92:d4:19:e2:d8:b2
+# Note the MAC addresses CANNOT be used to identify DHCPv6 clients.
+# Note also the they [] around the IPv6 address are obilgatory.
+#dhcp-host=id:00:01:00:01:16:d2:83:fc:92:d4:19:e2:d8:b2, fred, [1234::5] 
+
 # Ignore any clients which are not specified in dhcp-host lines
 # or /etc/ethers. Equivalent to ISC "deny unknown-clients".
 # This relies on the special "known" tag which is set when
@@ -270,6 +283,9 @@
 # Set the NTP time server addresses to 192.168.0.4 and 10.10.0.5
 #dhcp-option=option:ntp-server,192.168.0.4,10.10.0.5
 
+# Send DHCPv6 option. Note [] around IPv6 addresses.
+dhcp-option=option6:dns-server,[1234::77],[1234::88]
+
 # Set the NTP time server address to be the same machine as
 # is running dnsmasq
 #dhcp-option=42,0.0.0.0