4 files changed, 48 insertions, 3 deletions
diff --git a/interface-definitions/include/version/interfaces-version.xml.i b/interface-definitions/include/version/interfaces-version.xml.i
index 76c5d3c05..854e60f4e 100644
--- a/interface-definitions/include/version/interfaces-version.xml.i
+++ b/interface-definitions/include/version/interfaces-version.xml.i
@@ -1,3 +1,3 @@
 <!-- include start from include/version/interfaces-version.xml.i -->
-<syntaxVersion component='interfaces' version='31'></syntaxVersion>
+<syntaxVersion component='interfaces' version='32'></syntaxVersion>
 <!-- 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
@@ -93,7 +93,7 @@
           </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>
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
@@ -33,7 +33,6 @@ interfaces {
         parameters {
             nolearning
         }
-        port 4789
         source-address 172.29.0.1
         vni 100
     }
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)