diff --git a/interface-definitions/include/version/interfaces-version.xml.i b/interface-definitions/include/version/interfaces-version.xml.i
index 3d11ce888..25f158508 100644
--- a/interface-definitions/include/version/interfaces-version.xml.i
+++ b/interface-definitions/include/version/interfaces-version.xml.i
@@ -1,3 +1,7 @@
 <!-- include start from include/version/interfaces-version.xml.i -->
+<<<<<<< HEAD
 <syntaxVersion component='interfaces' version='30'></syntaxVersion>
+=======
+<syntaxVersion component='interfaces' version='32'></syntaxVersion>
+>>>>>>> 6db8d3ded (vxlan: T5671: change port to IANA assigned default port)
 <!-- include end -->
diff --git a/interface-definitions/interfaces-vxlan.xml.in b/interface-definitions/interfaces-vxlan.xml.in
index b246d9a09..3fae17178 100644
--- a/interface-definitions/interfaces-vxlan.xml.in
+++ b/interface-definitions/interfaces-vxlan.xml.in
@@ -1,124 +1,124 @@
 <?xml version="1.0"?>
 <interfaceDefinition>
   <node name="interfaces">
     <children>
       <tagNode name="vxlan" owner="${vyos_conf_scripts_dir}/interfaces-vxlan.py">
         <properties>
           <help>Virtual Extensible LAN (VXLAN) Interface</help>
           <priority>460</priority>
           <constraint>
             <regex>vxlan[0-9]+</regex>
           </constraint>
           <constraintErrorMessage>VXLAN interface must be named vxlanN</constraintErrorMessage>
           <valueHelp>
             <format>vxlanN</format>
             <description>VXLAN interface name</description>
           </valueHelp>
         </properties>
         <children>
           #include <include/interface/address-ipv4-ipv6.xml.i>
           #include <include/generic-description.xml.i>
           #include <include/interface/disable.xml.i>
           <leafNode name="external">
             <properties>
               <help>Use external control plane</help>
               <valueless/>
             </properties>
           </leafNode>
           <leafNode name="gpe">
             <properties>
               <help>Enable Generic Protocol extension (VXLAN-GPE)</help>
               <valueless/>
             </properties>
           </leafNode>
           <leafNode name="group">
             <properties>
               <help>Multicast group address for VXLAN interface</help>
               <valueHelp>
                 <format>ipv4</format>
                 <description>Multicast IPv4 group address</description>
               </valueHelp>
               <valueHelp>
                 <format>ipv6</format>
                 <description>Multicast IPv6 group address</description>
               </valueHelp>
               <constraint>
                 <validator name="ipv4-multicast"/>
                 <validator name="ipv6-multicast"/>
               </constraint>
               <constraintErrorMessage>Multicast IPv4/IPv6 address required</constraintErrorMessage>
             </properties>
           </leafNode>
           #include <include/interface/ipv4-options.xml.i>
           #include <include/interface/ipv6-options.xml.i>
           #include <include/interface/mac.xml.i>
           #include <include/interface/mtu-1200-16000.xml.i>
           #include <include/interface/mirror.xml.i>
           <leafNode name="mtu">
             <defaultValue>1450</defaultValue>
           </leafNode>
           <node name="parameters">
             <properties>
               <help>VXLAN tunnel parameters</help>
             </properties>
             <children>
               <node name="ip">
                 <properties>
                   <help>IPv4 specific tunnel parameters</help>
                 </properties>
                 <children>
                   #include <include/interface/parameters-df.xml.i>
                   #include <include/interface/parameters-tos.xml.i>
                   #include <include/interface/parameters-ttl.xml.i>
                   <leafNode name="ttl">
                     <defaultValue>16</defaultValue>
                   </leafNode>
                 </children>
               </node>
               <node name="ipv6">
                 <properties>
                   <help>IPv6 specific tunnel parameters</help>
                 </properties>
                 <children>
                   #include <include/interface/parameters-flowlabel.xml.i>
                 </children>
               </node>
               <leafNode name="nolearning">
                 <properties>
                   <help>Do not add unknown addresses into forwarding database</help>
                   <valueless/>
                 </properties>
               </leafNode>
             </children>
           </node>
           #include <include/port-number.xml.i>
           <leafNode name="port">
-            <defaultValue>8472</defaultValue>
+            <defaultValue>4789</defaultValue>
           </leafNode>
           #include <include/source-address-ipv4-ipv6.xml.i>
           #include <include/source-interface.xml.i>
           #include <include/interface/tunnel-remote-multi.xml.i>
           #include <include/interface/redirect.xml.i>
           #include <include/interface/vrf.xml.i>
           #include <include/vni.xml.i>
           <tagNode name="vlan-to-vni">
             <properties>
               <help>Configuring VLAN-to-VNI mappings for EVPN-VXLAN</help>
               <valueHelp>
                 <format>u32:0-4094</format>
                 <description>Virtual Local Area Network (VLAN) ID</description>
               </valueHelp>
               <constraint>
                 <validator name="numeric" argument="--range 0-4094"/>
               </constraint>
               <constraintErrorMessage>VLAN ID must be between 0 and 4094</constraintErrorMessage>
             </properties>
             <children>
               #include <include/vni.xml.i>
             </children>
             </tagNode>
         </children>
       </tagNode>
     </children>
   </node>
 </interfaceDefinition>
diff --git a/smoketest/configs/bgp-evpn-l2vpn-leaf b/smoketest/configs/bgp-evpn-l2vpn-leaf
index 020490186..ab46fbb02 100644
--- a/smoketest/configs/bgp-evpn-l2vpn-leaf
+++ b/smoketest/configs/bgp-evpn-l2vpn-leaf
@@ -1,149 +1,148 @@
 interfaces {
     bridge br100 {
         member {
             interface eth3 {
             }
             interface vxlan100 {
             }
         }
     }
     dummy dum0 {
         address 172.29.0.1/32
     }
     ethernet eth0 {
         description "Out-of-Band Managament Port"
         address 2001:db8::41/64
         address 192.0.2.41/27
         vrf MGMT
     }
     ethernet eth1 {
         address 172.29.1.1/31
         mtu 1600
     }
     ethernet eth2 {
         address 172.29.2.1/31
         mtu 1600
     }
     ethernet eth3 {
     }
     loopback lo {
     }
     vxlan vxlan100 {
         mtu 1500
         parameters {
             nolearning
         }
-        port 4789
         source-address 172.29.0.1
         vni 100
     }
 }
 protocols {
     bgp 65010 {
         address-family {
             ipv4-unicast {
                 maximum-paths {
                     ibgp 4
                 }
                 redistribute {
                     connected {
                     }
                 }
             }
             l2vpn-evpn {
                 advertise-all-vni
             }
         }
         neighbor 172.29.1.0 {
             peer-group evpn
         }
         neighbor 172.29.2.0 {
             peer-group evpn
         }
         parameters {
             log-neighbor-changes
         }
         peer-group evpn {
             address-family {
                 ipv4-unicast {
                     nexthop-self {
                     }
                 }
                 l2vpn-evpn {
                     nexthop-self {
                     }
                 }
             }
             remote-as 65010
         }
     }
     vrf MGMT {
         static {
             route 0.0.0.0/0 {
                 next-hop 192.0.2.62 {
                 }
             }
             route6 ::/0 {
                 next-hop 2001:db8::1 {
                 }
             }
         }
     }
 }
 service {
     lldp {
         interface all {
         }
     }
     ssh {
         disable-host-validation
         vrf MGMT
     }
 }
 system {
     config-management {
         commit-revisions 100
     }
     console {
         device ttyS0 {
             speed 115200
         }
     }
     host-name vyos
     login {
         user vyos {
             authentication {
                 encrypted-password $6$O5gJRlDYQpj$MtrCV9lxMnZPMbcxlU7.FI793MImNHznxGoMFgm3Q6QP3vfKJyOSRCt3Ka/GzFQyW1yZS4NS616NLHaIPPFHc0
                 plaintext-password ""
             }
         }
     }
     ntp {
         listen-address 192.0.2.41
         listen-address 2001:db8::41
         server 0.de.pool.ntp.org {
             prefer
         }
         vrf MGMT
     }
     syslog {
         global {
             facility all {
                 level info
             }
             facility protocols {
                 level debug
             }
         }
     }
 }
 vrf {
     name MGMT {
         table 1000
     }
 }
 
 
 // Warning: Do not remove the following line.
 // vyos-config-version: "broadcast-relay@1:cluster@1:config-management@1:conntrack@2:conntrack-sync@1:dhcp-relay@2:dhcp-server@5:dhcpv6-server@1:dns-forwarding@3:firewall@5:https@2:interfaces@20:ipoe-server@1:ipsec@5:l2tp@3:lldp@1:mdns@1:nat@5:nat66@1:ntp@1:pppoe-server@5:pptp@2:qos@1:quagga@8:rpki@1:salt@1:snmp@2:ssh@2:sstp@3:system@20:vrrp@2:vyos-accel-ppp@2:wanloadbalance@3:webproxy@2:zone-policy@1"
 // Release version: 1.4-rolling-202103091038
diff --git a/src/migration-scripts/interfaces/31-to-32 b/src/migration-scripts/interfaces/31-to-32
new file mode 100755
index 000000000..35b397c39
--- /dev/null
+++ b/src/migration-scripts/interfaces/31-to-32
@@ -0,0 +1,46 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2023 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# T5671: change port to IANA assigned default port
+
+from sys import argv
+from sys import exit
+from vyos.configtree import ConfigTree
+
+if len(argv) < 2:
+    print("Must specify file name!")
+    exit(1)
+
+file_name = argv[1]
+with open(file_name, 'r') as f:
+    config_file = f.read()
+    base = ['interfaces', 'vxlan']
+
+config = ConfigTree(config_file)
+if not config.exists(base):
+    # Nothing to do
+    exit(0)
+
+for vxlan in config.list_nodes(base):
+    if not config.exists(base + ['port']):
+        config.set(base + [vxlan, 'port'], value='8472')
+
+try:
+    with open(file_name, 'w') as f:
+        f.write(config.to_string())
+except OSError as e:
+    print(f'Failed to save the modified config: {e}')
+    exit(1)