diff --git a/src/opnsense/mvc/app/models/OPNsense/Firewall/Alias.xml b/src/opnsense/mvc/app/models/OPNsense/Firewall/Alias.xml
index cb707ad26..edd60c21d 100644
--- a/src/opnsense/mvc/app/models/OPNsense/Firewall/Alias.xml
+++ b/src/opnsense/mvc/app/models/OPNsense/Firewall/Alias.xml
@@ -37,6 +37,7 @@
                         <networkgroup>Network group</networkgroup>
                         <mac>MAC address</mac>
                         <external>External (advanced)</external>
+                        <dynipv6host>IPv6 Dynamic Host</dynipv6host>                                            
                     </OptionValues>
                 </type>
                 <proto type="OptionField">
@@ -46,6 +47,8 @@
                         <IPv6>IPv6</IPv6>
                     </OptionValues>
                 </proto>
+                <dyninterface type="InterfaceField">                                     
+                </dyninterface>
                 <counters type="BooleanField">
                     <default>0</default>
                 </counters>
diff --git a/src/opnsense/mvc/app/views/OPNsense/Firewall/alias.volt b/src/opnsense/mvc/app/views/OPNsense/Firewall/alias.volt
index ba001896d..d7e779291 100644
--- a/src/opnsense/mvc/app/views/OPNsense/Firewall/alias.volt
+++ b/src/opnsense/mvc/app/views/OPNsense/Firewall/alias.volt
@@ -215,6 +215,11 @@
                     $("#copy-paste").show();
                     break;
             }
+            if ($(this).val() === 'dynipv6host') {
+                $("#row_alias\\.dyninterface").show();
+            } else {
+                $("#row_alias\\.dyninterface").hide();
+            }
             if ($(this).val() === 'port') {
                 $("#row_alias\\.counters").hide();
             } else {
@@ -472,6 +477,7 @@
                                 <option value="urltable">{{ lang._('URL Table (IPs)') }}</option>
                                 <option value="geoip">{{ lang._('GeoIP') }}</option>
                                 <option value="networkgroup">{{ lang._('Network group') }}</option>
+                                <option value="dynipv6host">{{ lang._('Dynamic IPv6 Host') }}</option>                                                                      
                                 <option value="external">{{ lang._('External (advanced)') }}</option>
                             </select>
                         </div>
@@ -691,6 +697,23 @@
                                         <span class="help-block" id="help_block_alias.content"></span>
                                     </td>
                                 </tr>
+                                <tr id="row_alias.dyninterface">
+                                    <td>
+                                        <div class="alias dyninterface" id="alias_dyninterface">
+                                            <a id="help_for_alias.dyninterface" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a>
+                                            <b>{{lang._('dyninterface')}}</b>
+                                        </div>
+                                    </td>
+                                    <td>
+                                        <select  class="selectpicker" id="alias.dyninterface" data-width="200px"></select>                                       
+                                        <div class="hidden" data-for="help_for_alias.dyninterface">
+                                            <small>{{lang._('Select the dyninterface for the V6 dynamic IP')}}</small>
+                                        </div>
+                                    </td>
+                                    <td>
+                                        <span class="help-block" id="help_block_alias.enabled"></span>
+                                    </td>
+                                </tr>
                                 <tr id="row_alias.counters">
                                     <td>
                                         <div class="control-label" id="control_label_alias.counters">
diff --git a/src/opnsense/scripts/filter/lib/alias.py b/src/opnsense/scripts/filter/lib/alias.py
index 1ec10e20c..0de730c0c 100755
--- a/src/opnsense/scripts/filter/lib/alias.py
+++ b/src/opnsense/scripts/filter/lib/alias.py
@@ -26,6 +26,9 @@
     --------------------------------------------------------------------------------------
     Alias representation
 """
+import socket
+import fcntl
+import struct        
 import os
 import re
 import time
@@ -33,6 +36,7 @@ import requests
 import ipaddress
 import dns.resolver
 import syslog
+import subprocess                 
 from hashlib import md5
 from . import geoip
 from .arpcache import ArpCache
@@ -57,6 +61,7 @@ class Alias(object):
         self._timeout = timeout
         self._name = None
         self._type = None
+        self._dyninterface = None
         self._proto = 'IPv4,IPv6'
         self._items = list()
         self._resolve_content = set()
@@ -67,6 +72,8 @@ class Alias(object):
                 self._proto = subelem.text
             elif subelem.tag == 'name':
                 self._name = subelem.text
+            elif subelem.tag == 'dyninterface':
+                self._dyninterface = subelem.text        
             elif subelem.tag == 'ttl':
                 tmp = subelem.text.strip()
                 if len(tmp.split('.')) <= 2 and tmp.replace('.', '').isdigit():
@@ -259,6 +266,31 @@ class Alias(object):
         # return the addresses and networks of this alias
         return list(self._resolve_content)
 
+    def _fetch_dynipv6(self, address):
+           
+        #get the interface /64 address   
+        address = address.strip()
+        sp = subprocess.run(['/sbin/ifconfig', self._dyninterface,'inet6'], capture_output=True, text=True)
+        for line in sp.stdout.split('\n'):
+            if line.find('prefixlen 64') > -1:
+                i_address = line.split(' ')[1]
+                if i_address[0] == '1' or i_address[0] == '2' or i_address[0] == 3:
+                    break
+        # split the mask - if no mask it's a /64
+        if address.find('/') > -1:
+            l_address,l_mask = address.split('/')
+        else:
+            l_mask = '64' 
+            l_address = address
+
+        base_mask = int(l_mask)
+        base_address = ipaddress.ip_address(i_address)
+        base_size=int((128-base_mask)/16)
+        combine_address='0'+l_address
+        ipv6_addr  = ipaddress.ip_address(combine_address)
+        calculated_address = ':'.join(base_address.exploded.split(':')[:8-base_size] + ipv6_addr.exploded.split(':')[8-base_size:])
+        for address in self._parse_address(calculated_address):
+             yield address
     def get_parser(self):
         """ fetch address parser to use, None if alias type is not handled here
             :return: function or None
@@ -269,6 +301,8 @@ class Alias(object):
             return self._fetch_url
         elif self._type == 'geoip':
             return self._fetch_geo
+        elif self._type == 'dynipv6host':
+            return self._fetch_dynipv6
         elif self._type == 'mac':
             return ArpCache().iter_addresses
         else:
diff --git a/src/opnsense/service/templates/OPNsense/Filter/filter_tables.conf b/src/opnsense/service/templates/OPNsense/Filter/filter_tables.conf
index 4deb0b013..c241dfab1 100644
--- a/src/opnsense/service/templates/OPNsense/Filter/filter_tables.conf
+++ b/src/opnsense/service/templates/OPNsense/Filter/filter_tables.conf
@@ -5,6 +5,8 @@
 {% endif %}
     </general>
 {% set new_style_aliases = 0 %}
+{# Macro import #}
+{% from 'OPNsense/Macros/interface.macro' import physical_interface %}                   
 {%  if helpers.exists('OPNsense.Firewall.Alias.aliases.alias') %}
 {% set new_style_aliases = OPNsense.Firewall.Alias.aliases.alias|length %}
 {%    for alias in helpers.toList('OPNsense.Firewall.Alias.aliases.alias') %}
@@ -21,6 +23,8 @@
       <aliasurl>{{ alias.content|e|encode_idna }}</aliasurl>
 {%      elif alias.content %}
       <address>{{ alias.content|e|encode_idna }}</address>
+{%      endif %}{% if alias.dyninterface %}
+      <dyninterface>{{ physical_interface(alias.dyninterface)|default('LAN')                                                       
 {%      endif %}{% if alias.proto %}
       <proto>{{ alias.proto|e }}</proto>
 {%      endif %}{% if alias.updatefreq %}