diff --git a/etc/defaults/rc.conf b/etc/defaults/rc.conf
index a665a0eef003..a574c69f71f4 100644
--- a/etc/defaults/rc.conf
+++ b/etc/defaults/rc.conf
@@ -63,6 +63,7 @@ icmp_log_redirect="NO"		# Set to YES to log ICMP REDIRECT packets
 network_interfaces="auto"	# List of network interfaces (or "auto").
 ifconfig_lo0="inet 127.0.0.1"	# default loopback device configuration.
 #ifconfig_lo0_alias0="inet 127.0.0.254 netmask 0xffffffff" # Sample alias entry.
+#ifconfig_ed0_alias0="inet6 fec0:0000:0000:0005::1 prefixlen 64" # Sample alias entry for IPv6.
 #
 # If you have any sppp(4) interfaces above, you might also want to set
 # the following parameters.  Refer to spppcontrol(8) for their meaning.
@@ -204,7 +205,7 @@ ipv6_default_interface=""	# Default output interface for scoped addrs.
 				# Now this works only for IPv6 link local
 				# multicast addrs.
 prefixcmd_enable="YES"		# Use prefix command to assign router prefix.
-rtadvd_enable="NO"		# Set to YES to enable an IPv6 router
+rtadvd_enable="YES"		# 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