diff --git a/data/templates/router-advert/radvd.conf.j2 b/data/templates/router-advert/radvd.conf.j2
index 97180d164..a83bd03ac 100644
--- a/data/templates/router-advert/radvd.conf.j2
+++ b/data/templates/router-advert/radvd.conf.j2
@@ -1,85 +1,85 @@
 ### Autogenerated by service_router-advert.py ###
 
 {% if interface is vyos_defined %}
 {%     for iface, iface_config in interface.items() %}
 interface {{ iface }} {
     IgnoreIfMissing on;
 {%         if iface_config.default_preference is vyos_defined %}
     AdvDefaultPreference {{ iface_config.default_preference }};
 {%         endif %}
 {%         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 vyos_defined %}
     MaxRtrAdvInterval {{ iface_config.interval.max }};
 {%         endif %}
 {%         if iface_config.interval.min is vyos_defined %}
     MinRtrAdvInterval {{ iface_config.interval.min }};
 {%         endif %}
 {%         if iface_config.reachable_time is vyos_defined %}
     AdvReachableTime {{ iface_config.reachable_time }};
 {%         endif %}
-    AdvIntervalOpt {{ 'off' if iface_config.no_send_advert is vyos_defined else 'on' }};
+    AdvIntervalOpt {{ 'off' if iface_config.no_send_interval 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 vyos_defined %}
     AdvLinkMTU {{ iface_config.link_mtu }};
 {%         endif %}
     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 vyos_defined %}
 {%             for route, route_options in iface_config.route.items() %}
     route {{ route }} {
 {%                 if route_options.valid_lifetime is vyos_defined %}
         AdvRouteLifetime {{ route_options.valid_lifetime }};
 {%                 endif %}
 {%                 if route_options.route_preference is vyos_defined %}
         AdvRoutePreference {{ route_options.route_preference }};
 {%                 endif %}
         RemoveRoute {{ 'off' if route_options.no_remove_route is vyos_defined else 'on' }};
     };
 {%             endfor %}
 {%         endif %}
 {%         if iface_config.source_address is vyos_defined %}
     AdvRASrcAddress {
 {%             for source_address in iface_config.source_address %}
         {{ source_address }};
 {%             endfor %}
     };
 {%         endif %}
 {%         if iface_config.nat64prefix is vyos_defined %}
 {%             for nat64prefix, nat64prefix_options in iface_config.nat64prefix.items() %}
     nat64prefix {{ nat64prefix }} {
         AdvValidLifetime {{ nat64prefix_options.valid_lifetime }};
     };
 {%             endfor %}
 {%         endif %}
 {%         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 vyos_defined else 'on' }};
         AdvValidLifetime {{ prefix_options.valid_lifetime }};
         AdvOnLink {{ 'off' if prefix_options.no_on_link_flag is vyos_defined else 'on' }};
         AdvPreferredLifetime {{ prefix_options.preferred_lifetime }};
         DeprecatePrefix {{ 'on' if prefix_options.deprecate_prefix is vyos_defined else 'off' }};
         DecrementLifetimes {{ 'on' if prefix_options.decrement_lifetime is vyos_defined else 'off' }};
     };
 {%             endfor %}
 {%         endif %}
 {%         if iface_config.name_server is vyos_defined %}
     RDNSS {{ iface_config.name_server | join(" ") }} {
 {%             if iface_config.name_server_lifetime is vyos_defined %}
         AdvRDNSSLifetime {{ iface_config.name_server_lifetime }};
 {%             endif %}
     };
 {%         endif %}
 {%         if iface_config.dnssl is vyos_defined %}
     DNSSL {{ iface_config.dnssl | join(" ") }} {
     };
 {%         endif %}
 };
 {%     endfor %}
 {% endif %}
diff --git a/interface-definitions/service_router-advert.xml.in b/interface-definitions/service_router-advert.xml.in
index 166a4a0cf..3fd33540a 100644
--- a/interface-definitions/service_router-advert.xml.in
+++ b/interface-definitions/service_router-advert.xml.in
@@ -1,399 +1,405 @@
 <?xml version="1.0"?>
 <interfaceDefinition>
   <node name="service">
     <children>
       <node name="router-advert" owner="${vyos_conf_scripts_dir}/service_router-advert.py">
         <properties>
           <help>IPv6 Router Advertisements (RAs) service</help>
           <priority>900</priority>
         </properties>
         <children>
           <tagNode name="interface">
             <properties>
               <help>Interface to send RA on</help>
               <completionHelp>
                 <script>${vyos_completion_dir}/list_interfaces</script>
               </completionHelp>
             </properties>
             <children>
               <leafNode name="hop-limit">
                 <properties>
                   <help>Set Hop Count field of the IP header for outgoing packets</help>
                   <valueHelp>
                     <format>u32:0</format>
                     <description>Unspecified (by this router)</description>
                   </valueHelp>
                   <valueHelp>
                     <format>u32:1-255</format>
                     <description>Value should represent current diameter of the Internet</description>
                   </valueHelp>
                   <constraint>
                     <validator name="numeric" argument="--range 0-255"/>
                   </constraint>
                   <constraintErrorMessage>Hop count must be between 0 and 255</constraintErrorMessage>
                 </properties>
                 <defaultValue>64</defaultValue>
               </leafNode>
               <leafNode name="default-lifetime">
                 <properties>
                   <help>Lifetime associated with the default router in units of seconds</help>
                   <valueHelp>
                     <format>u32:4-9000</format>
                     <description>Router Lifetime in seconds</description>
                   </valueHelp>
                   <valueHelp>
                     <format>0</format>
                     <description>Not a default router</description>
                   </valueHelp>
                   <constraint>
                     <validator name="numeric" argument="--range 0-0 --range 4-9000"/>
                   </constraint>
                   <constraintErrorMessage>Default router livetime bust be 0 or between 4 and 9000</constraintErrorMessage>
                 </properties>
               </leafNode>
               <leafNode name="default-preference">
                 <properties>
                   <help>Preference associated with the default router,</help>
                   <completionHelp>
                     <list>low medium high</list>
                   </completionHelp>
                   <valueHelp>
                     <format>low</format>
                     <description>Default router has low preference</description>
                   </valueHelp>
                   <valueHelp>
                     <format>medium</format>
                     <description>Default router has medium preference</description>
                   </valueHelp>
                   <valueHelp>
                     <format>high</format>
                     <description>Default router has high preference</description>
                   </valueHelp>
                   <constraint>
                     <regex>(low|medium|high)</regex>
                   </constraint>
                   <constraintErrorMessage>Default preference must be low, medium or high</constraintErrorMessage>
                 </properties>
                 <defaultValue>medium</defaultValue>
               </leafNode>
               <leafNode name="dnssl">
                 <properties>
                   <help>DNS search list</help>
                   <multi/>
                 </properties>
               </leafNode>
               <leafNode name="link-mtu">
                 <properties>
                   <help>Link MTU value placed in RAs, exluded in RAs if unset</help>
                   <valueHelp>
                     <format>u32:1280-9000</format>
                     <description>Link MTU value in RAs</description>
                   </valueHelp>
                   <constraint>
                     <validator name="numeric" argument="--range 1280-9000"/>
                   </constraint>
                   <constraintErrorMessage>Link MTU must be between 1280 and 9000</constraintErrorMessage>
                 </properties>
               </leafNode>
               <leafNode name="managed-flag">
                 <properties>
                   <help>Hosts use the administered (stateful) protocol for address autoconfiguration in addition to any addresses autoconfigured using SLAAC</help>
                   <valueless/>
                 </properties>
               </leafNode>
               <node name="interval">
                 <properties>
                   <help>Set interval between unsolicited multicast RAs</help>
                 </properties>
                 <children>
                   <leafNode name="max">
                     <properties>
                       <help>Maximum interval between unsolicited multicast RAs</help>
                       <valueHelp>
                         <format>u32:4-1800</format>
                         <description>Maximum interval in seconds</description>
                       </valueHelp>
                       <constraint>
                         <validator name="numeric" argument="--range 4-1800"/>
                       </constraint>
                       <constraintErrorMessage>Maximum interval must be between 4 and 1800 seconds</constraintErrorMessage>
                     </properties>
                     <defaultValue>600</defaultValue>
                   </leafNode>
                   <leafNode name="min">
                     <properties>
                       <help>Minimum interval between unsolicited multicast RAs</help>
                       <valueHelp>
                         <format>u32:3-1350</format>
                         <description>Minimum interval in seconds</description>
                       </valueHelp>
                       <constraint>
                         <validator name="numeric" argument="--range 3-1350"/>
                       </constraint>
                       <constraintErrorMessage>Minimum interval must be between 3 and 1350 seconds</constraintErrorMessage>
                     </properties>
                   </leafNode>
                 </children>
               </node>
               #include <include/name-server-ipv6.xml.i>
               <leafNode name="name-server-lifetime">
                 <properties>
                   <help>Maximum duration how long the RDNSS entries are used</help>
                   <valueHelp>
                     <format>u32:0</format>
                     <description>Name-servers should no longer be used</description>
                   </valueHelp>
                   <valueHelp>
                     <format>u32:1-7200</format>
                     <description>Maximum interval in seconds</description>
                   </valueHelp>
                   <constraint>
                     <validator name="numeric" argument="--range 1-7200"/>
                   </constraint>
                   <constraintErrorMessage>Maximum interval must be between 1 and 7200 seconds</constraintErrorMessage>
                 </properties>
               </leafNode>
               <leafNode name="other-config-flag">
                 <properties>
                   <help>Hosts use the administered (stateful) protocol for autoconfiguration of other (non-address) information</help>
                   <valueless/>
                 </properties>
               </leafNode>
               <tagNode name="route">
                 <properties>
                   <help>IPv6 route to be advertised in Router Advertisements (RAs)</help>
                   <valueHelp>
                     <format>ipv6net</format>
                     <description>IPv6 route to be advertized</description>
                   </valueHelp>
                   <constraint>
                     <validator name="ipv6-prefix"/>
                   </constraint>
                 </properties>
                 <children>
                   <leafNode name="valid-lifetime">
                     <properties>
                       <help>Time in seconds that the route will remain valid</help>
                       <completionHelp>
                         <list>infinity</list>
                       </completionHelp>
                       <valueHelp>
                         <format>u32:1-4294967295</format>
                         <description>Time in seconds that the route will remain valid</description>
                       </valueHelp>
                       <valueHelp>
                         <format>infinity</format>
                         <description>Route will remain preferred forever</description>
                       </valueHelp>
                       <constraint>
                         <validator name="numeric" argument="--range 0-4294967295"/>
                         <regex>(infinity)</regex>
                       </constraint>
                     </properties>
                     <defaultValue>1800</defaultValue>
                   </leafNode>
                   <leafNode name="route-preference">
                     <properties>
                       <help>Preference associated with the route,</help>
                       <completionHelp>
                         <list>low medium high</list>
                       </completionHelp>
                       <valueHelp>
                         <format>low</format>
                         <description>Route has low preference</description>
                       </valueHelp>
                       <valueHelp>
                         <format>medium</format>
                         <description>Route has medium preference</description>
                       </valueHelp>
                       <valueHelp>
                         <format>high</format>
                         <description>Route has high preference</description>
                       </valueHelp>
                       <constraint>
                         <regex>(low|medium|high)</regex>
                       </constraint>
                       <constraintErrorMessage>Route preference must be low, medium or high</constraintErrorMessage>
                     </properties>
                     <defaultValue>medium</defaultValue>
                   </leafNode>
                   <leafNode name="no-remove-route">
                     <properties>
                       <help>Do not announce this route with a zero second lifetime upon shutdown</help>
                       <valueless/>
                     </properties>
                   </leafNode>
                 </children>
               </tagNode>
               <tagNode name="nat64prefix">
                 <properties>
                   <help>NAT64 prefix included in the router advertisements</help>
                   <valueHelp>
                     <format>ipv6net</format>
                     <description>IPv6 prefix to be advertized</description>
                   </valueHelp>
                   <constraint>
                     <validator name="ipv6-prefix"/>
                   </constraint>
                 </properties>
                 <children>
                   <leafNode name="valid-lifetime">
                     <properties>
                       <help>Time in seconds that the prefix will remain valid</help>
                       <completionHelp>
                         <list>infinity</list>
                       </completionHelp>
                       <valueHelp>
                         <format>u32:4-65528</format>
                         <description>Time in seconds that the prefix will remain valid</description>
                       </valueHelp>
                       <constraint>
                         <validator name="numeric" argument="--range 4-65528"/>
                       </constraint>
                     </properties>
                     <defaultValue>65528</defaultValue>
                   </leafNode>
                 </children>
               </tagNode>
               <tagNode name="prefix">
                 <properties>
                   <help>IPv6 prefix to be advertised in Router Advertisements (RAs)</help>
                   <valueHelp>
                     <format>ipv6net</format>
                     <description>IPv6 prefix to be advertized</description>
                   </valueHelp>
                   <constraint>
                     <validator name="ipv6-prefix"/>
                   </constraint>
                 </properties>
                 <children>
                   <leafNode name="no-autonomous-flag">
                     <properties>
                       <help>Prefix can not be used for stateless address auto-configuration</help>
                       <valueless/>
                     </properties>
                   </leafNode>
                   <leafNode name="no-on-link-flag">
                     <properties>
                       <help>Prefix can not be used for on-link determination</help>
                       <valueless/>
                     </properties>
                   </leafNode>
                   <leafNode name="deprecate-prefix">
                     <properties>
                       <help>Upon shutdown, this option will deprecate the prefix by announcing it in the shutdown RA</help>
                       <valueless/>
                     </properties>
                   </leafNode>
                   <leafNode name="decrement-lifetime">
                     <properties>
                       <help>Lifetime is decremented by the number of seconds since the last RA - use in conjunction with a DHCPv6-PD prefix</help>
                       <valueless/>
                     </properties>
                   </leafNode>
                   <leafNode name="preferred-lifetime">
                     <properties>
                       <help>Time in seconds that the prefix will remain preferred</help>
                       <completionHelp>
                         <list>infinity</list>
                       </completionHelp>
                       <valueHelp>
                         <format>u32</format>
                         <description>Time in seconds that the prefix will remain preferred</description>
                       </valueHelp>
                       <valueHelp>
                         <format>infinity</format>
                         <description>Prefix will remain preferred forever</description>
                       </valueHelp>
                       <constraint>
                         <validator name="numeric" argument="--range 0-4294967295"/>
                         <regex>(infinity)</regex>
                       </constraint>
                     </properties>
                     <defaultValue>14400</defaultValue>
                   </leafNode>
                   <leafNode name="valid-lifetime">
                     <properties>
                       <help>Time in seconds that the prefix will remain valid</help>
                       <completionHelp>
                         <list>infinity</list>
                       </completionHelp>
                       <valueHelp>
                         <format>u32:1-4294967295</format>
                         <description>Time in seconds that the prefix will remain valid</description>
                       </valueHelp>
                       <valueHelp>
                         <format>infinity</format>
                         <description>Prefix will remain preferred forever</description>
                       </valueHelp>
                       <constraint>
                         <validator name="numeric" argument="--range 0-4294967295"/>
                         <regex>(infinity)</regex>
                       </constraint>
                     </properties>
                     <defaultValue>2592000</defaultValue>
                   </leafNode>
                 </children>
               </tagNode>
               <leafNode name="source-address">
                 <properties>
                   <help>Use IPv6 address as source address. Useful with VRRP.</help>
                   <valueHelp>
                     <format>ipv6</format>
                     <description>IPv6 address to be advertized (must be configured on interface)</description>
                   </valueHelp>
                   <constraint>
                     <validator name="ipv6-address"/>
                   </constraint>
                   <multi/>
                 </properties>
               </leafNode>
               <leafNode name="reachable-time">
                 <properties>
                   <help>Time, in milliseconds, that a node assumes a neighbor is reachable after having received a reachability confirmation</help>
                   <valueHelp>
                     <format>u32:0</format>
                     <description>Reachable Time unspecified by this router</description>
                   </valueHelp>
                   <valueHelp>
                     <format>u32:1-3600000</format>
                     <description>Reachable Time value in RAs (in milliseconds)</description>
                   </valueHelp>
                   <constraint>
                     <validator name="numeric" argument="--range 0-0 --range 1-3600000"/>
                   </constraint>
                   <constraintErrorMessage>Reachable time must be 0 or between 1 and 3600000 milliseconds</constraintErrorMessage>
                 </properties>
                 <defaultValue>0</defaultValue>
               </leafNode>
               <leafNode name="retrans-timer">
                 <properties>
                   <help>Time in milliseconds between retransmitted Neighbor Solicitation messages</help>
                   <valueHelp>
                     <format>u32:0</format>
                     <description>Time, in milliseconds, between retransmitted Neighbor Solicitation messages</description>
                   </valueHelp>
                   <valueHelp>
                     <format>u32:1-4294967295</format>
                     <description>Minimum interval in milliseconds</description>
                   </valueHelp>
                   <constraint>
                     <validator name="numeric" argument="--range 0-0 --range 1-4294967295"/>
                   </constraint>
                   <constraintErrorMessage>Retransmit interval must be 0 or between 1 and 4294967295 milliseconds</constraintErrorMessage>
                 </properties>
                 <defaultValue>0</defaultValue>
               </leafNode>
               <leafNode name="no-send-advert">
                 <properties>
                   <help>Do not send router adverts</help>
                   <valueless/>
                 </properties>
               </leafNode>
+              <leafNode name="no-send-interval">
+                <properties>
+                  <help>Do not send Advertisement Interval option in RAs</help>
+                  <valueless/>
+                </properties>
+              </leafNode>
             </children>
           </tagNode>
         </children>
       </node>
     </children>
   </node>
 </interfaceDefinition>