1 files changed, 21 insertions, 21 deletions

diff --git a/data/templates/router-advert/radvd.conf.tmpl b/data/templates/router-advert/radvd.conf.tmpl
index 88d066491..b40ba1ee0 100644
--- a/data/templates/router-advert/radvd.conf.tmpl
+++ b/data/templates/router-advert/radvd.conf.tmpl
@@ -1,63 +1,63 @@
 ### Autogenerated by service_router-advert.py ###
 
-{% if interface is defined and interface is not none %}
+{% if interface is vyos_defined %}
 {%   for iface, iface_config in interface.items() %}
 interface {{ iface }} {
     IgnoreIfMissing on;
-{%     if iface_config.default_preference is defined and iface_config.default_preference is not none %}
+{%     if iface_config.default_preference is vyos_defined %}
     AdvDefaultPreference {{ iface_config.default_preference }};
 {%     endif %}
-{%     if iface_config.managed_flag is defined and iface_config.managed_flag is not none %}
-    AdvManagedFlag {{ 'on' if iface_config.managed_flag is defined else 'off' }};
+{%     if iface_config.managed_flag is vyos_defined %}
+    AdvManagedFlag {{ 'on' if iface_config.managed_flag is vyos_defined else 'off' }};
 {%     endif %}
-{%     if iface_config.interval.max is defined and iface_config.interval.max is not none %}
+{%     if iface_config.interval.max is vyos_defined %}
     MaxRtrAdvInterval {{ iface_config.interval.max }};
 {%     endif %}
-{%     if iface_config.interval.min is defined and iface_config.interval.min is not none %}
+{%     if iface_config.interval.min is vyos_defined %}
     MinRtrAdvInterval {{ iface_config.interval.min }};
 {%   endif %}
-{%     if iface_config.reachable_time is defined and iface_config.reachable_time is not none %}
+{%     if iface_config.reachable_time is vyos_defined %}
     AdvReachableTime {{ iface_config.reachable_time }};
 {%   endif %}
-    AdvIntervalOpt {{ 'off' if iface_config.no_send_advert is defined else 'on' }};
-    AdvSendAdvert {{ 'off' if iface_config.no_send_advert is defined else 'on' }};
-{%     if iface_config.default_lifetime is defined %}
+    AdvIntervalOpt {{ 'off' if iface_config.no_send_advert is vyos_defined else 'on' }};
+    AdvSendAdvert {{ 'off' if iface_config.no_send_advert is vyos_defined else 'on' }};
+{%     if iface_config.default_lifetime is vyos_defined %}
     AdvDefaultLifetime {{ iface_config.default_lifetime }};
 {%     endif %}
-{%     if iface_config.link_mtu is defined %}
+{%     if iface_config.link_mtu is vyos_defined %}
     AdvLinkMTU {{ iface_config.link_mtu }};
 {%     endif %}
-    AdvOtherConfigFlag {{ 'on' if iface_config.other_config_flag is defined else 'off' }};
+    AdvOtherConfigFlag {{ 'on' if iface_config.other_config_flag is vyos_defined else 'off' }};
     AdvRetransTimer {{ iface_config.retrans_timer }};
     AdvCurHopLimit {{ iface_config.hop_limit }};
-{%     if iface_config.route is defined %}
+{%     if iface_config.route is vyos_defined %}
 {%       for route, route_options in iface_config.route.items() %}
     route {{ route }} {
-{%         if route_options.valid_lifetime is defined %}
+{%         if route_options.valid_lifetime is vyos_defined %}
         AdvRouteLifetime {{ route_options.valid_lifetime }};
 {%         endif %}
-{%         if route_options.route_preference is defined %}
+{%         if route_options.route_preference is vyos_defined %}
         AdvRoutePreference {{ route_options.route_preference }};
 {%         endif %}
-        RemoveRoute {{ 'off' if route_options.no_remove_route is defined else 'on' }};
+        RemoveRoute {{ 'off' if route_options.no_remove_route is vyos_defined else 'on' }};
     };
 {%       endfor %}
 {%     endif %}
-{%     if iface_config.prefix is defined and iface_config.prefix is not none %}
+{%     if iface_config.prefix is vyos_defined %}
 {%       for prefix, prefix_options in iface_config.prefix.items() %}
     prefix {{ prefix }} {
-        AdvAutonomous {{ 'off' if prefix_options.no_autonomous_flag is defined else 'on' }};
+        AdvAutonomous {{ 'off' if prefix_options.no_autonomous_flag is vyos_defined else 'on' }};
         AdvValidLifetime {{ prefix_options.valid_lifetime }};
-        AdvOnLink {{ 'off' if prefix_options.no_on_link_flag is defined else 'on' }};
+        AdvOnLink {{ 'off' if prefix_options.no_on_link_flag is vyos_defined else 'on' }};
         AdvPreferredLifetime {{ prefix_options.preferred_lifetime }};
     };
 {%       endfor %}
 {%     endif %}
-{%     if iface_config.name_server is defined %}
+{%     if iface_config.name_server is vyos_defined %}
     RDNSS {{ iface_config.name_server | join(" ") }} {
     };
 {%     endif %}
-{%     if iface_config.dnssl is defined %}
+{%     if iface_config.dnssl is vyos_defined %}
     DNSSL {{ iface_config.dnssl | join(" ") }} {
     };
 {%     endif %}