From 351a2358abb9b24016aa397b8b3ce805bad8f727 Mon Sep 17 00:00:00 2001
From: Devdatt Bhatt <devdatt.bhatt@dbhatt.org>
Date: Mon, 8 Jun 2026 09:20:29 +0000
Subject: [PATCH] update netplan

---
 html/network.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/html/network.php b/html/network.php
index c56a09e..8dc844e 100755
--- a/html/network.php
+++ b/html/network.php
@@ -88,6 +88,13 @@ function generate_netplan_config($config)
         switch ($settings['method']) {
             case 'dhcp':
                 $netplan_content .= "      dhcp4: true\n";
+                
+                // Add multicast route for DHCP interfaces
+                if (($settings['multicast'] ?? 'off') === 'on') {
+                    $netplan_content .= "      routes:\n";
+                    $netplan_content .= "        - to: 224.0.0.0/4\n";
+                    $netplan_content .= "          scope: link\n";
+                }
                 break;
             case 'static':
                 $netplan_content .= "      addresses:\n";