diff --git a/proxmox_network_diagnostic.sh b/proxmox_network_diagnostic.sh
new file mode 100644
index 0000000..3434505
--- /dev/null
+++ b/proxmox_network_diagnostic.sh
@@ -0,0 +1,257 @@
+#!/bin/bash
+
+# Colors for better readability
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+NC='\033[0m' # No Color
+
+# Function to print colored text
+print_color() {
+    local color=$1
+    local text=$2
+    echo -e "${color}${text}${NC}"
+}
+
+# Function to check if script is run as root
+check_root() {
+    if [ "$EUID" -ne 0 ]; then
+        print_color $RED "Please run this script as root"
+        exit 1
+    fi
+}
+
+# Function to test DNS resolution
+test_dns() {
+    print_color $BLUE "\nTesting DNS Resolution..."
+    echo "Current DNS servers:"
+    cat /etc/resolv.conf | grep nameserver
+    
+    read -p "Enter a domain to test DNS resolution (default: google.com): " test_domain
+    test_domain=${test_domain:-google.com}
+    
+    if dig +short "$test_domain" > /dev/null; then
+        print_color $GREEN "DNS resolution successful for $test_domain"
+        echo "IP Address: $(dig +short "$test_domain")"
+    else
+        print_color $RED "DNS resolution failed for $test_domain"
+    fi
+}
+
+# Function to test specific ports
+test_ports() {
+    print_color $BLUE "\nPort Testing Menu"
+    echo "1. Test specific port"
+    echo "2. Test common Proxmox ports (8006, 3128, 111, 5900-5999)"
+    echo "3. Back to main menu"
+    
+    read -p "Select an option: " port_choice
+    
+    case $port_choice in
+        1)
+            read -p "Enter hostname/IP to test: " host
+            read -p "Enter port number: " port
+            if nc -zv $host $port 2>&1 | grep -q 'succeeded'; then
+                print_color $GREEN "Port $port is open on $host"
+            else
+                print_color $RED "Port $port is closed on $host"
+            fi
+            ;;
+        2)
+            print_color $YELLOW "Testing common Proxmox ports..."
+            local ports=(8006 3128 111 5900 5999)
+            for port in "${ports[@]}"; do
+                if nc -zv localhost $port 2>&1 | grep -q 'succeeded'; then
+                    print_color $GREEN "Port $port is open"
+                else
+                    print_color $RED "Port $port is closed"
+                fi
+            done
+            ;;
+        3)
+            return
+            ;;
+    esac
+}
+
+# Function to check network interfaces
+check_interfaces() {
+    print_color $BLUE "\nNetwork Interfaces Information:"
+    echo "1. Show all interfaces"
+    echo "2. Show specific interface details"
+    echo "3. Show bridge information"
+    echo "4. Back to main menu"
+    
+    read -p "Select an option: " int_choice
+    
+    case $int_choice in
+        1)
+            print_color $YELLOW "All Network Interfaces:"
+            ip -c a
+            ;;
+        2)
+            ip -c link show
+            read -p "Enter interface name to inspect: " interface
+            if ip link show $interface >/dev/null 2>&1; then
+                print_color $YELLOW "Details for interface $interface:"
+                ip -c addr show $interface
+                ethtool $interface 2>/dev/null || print_color $RED "ethtool not available"
+            else
+                print_color $RED "Interface $interface not found"
+            fi
+            ;;
+        3)
+            print_color $YELLOW "Bridge Information:"
+            brctl show 2>/dev/null || print_color $RED "brctl not installed. Installing..."
+            if ! command -v brctl &> /dev/null; then
+                apt-get update && apt-get install -y bridge-utils
+                brctl show
+            fi
+            ;;
+        4)
+            return
+            ;;
+    esac
+}
+
+# Function to test network connectivity
+test_connectivity() {
+    print_color $BLUE "\nNetwork Connectivity Tests:"
+    echo "1. Basic ping test"
+    echo "2. MTR trace"
+    echo "3. Bandwidth test"
+    echo "4. Back to main menu"
+    
+    read -p "Select an option: " conn_choice
+    
+    case $conn_choice in
+        1)
+            read -p "Enter host to ping (default: 8.8.8.8): " ping_host
+            ping_host=${ping_host:-8.8.8.8}
+            ping -c 4 $ping_host
+            ;;
+        2)
+            if ! command -v mtr &> /dev/null; then
+                print_color $YELLOW "MTR not found. Installing..."
+                apt-get update && apt-get install -y mtr-tiny
+            fi
+            read -p "Enter host to trace (default: 8.8.8.8): " trace_host
+            trace_host=${trace_host:-8.8.8.8}
+            mtr -r $trace_host
+            ;;
+        3)
+            if ! command -v iperf3 &> /dev/null; then
+                print_color $YELLOW "iperf3 not found. Installing..."
+                apt-get update && apt-get install -y iperf3
+            fi
+            print_color $YELLOW "Starting iperf3 server..."
+            iperf3 -s &
+            sleep 2
+            print_color $YELLOW "Testing local bandwidth..."
+            iperf3 -c localhost
+            killall iperf3
+            ;;
+        4)
+            return
+            ;;
+    esac
+}
+
+# Function to check network card information
+check_network_cards() {
+    print_color $BLUE "\nNetwork Card Information:"
+    echo "1. Show PCI network devices"
+    echo "2. Show detailed network card info"
+    echo "3. Show driver information"
+    echo "4. Back to main menu"
+    
+    read -p "Select an option: " card_choice
+    
+    case $card_choice in
+        1)
+            print_color $YELLOW "PCI Network Devices:"
+            lspci | grep -i ethernet
+            ;;
+        2)
+            print_color $YELLOW "Detailed Network Card Information:"
+            if ! command -v lshw &> /dev/null; then
+                print_color $YELLOW "lshw not found. Installing..."
+                apt-get update && apt-get install -y lshw
+            fi
+            lshw -class network
+            ;;
+        3)
+            print_color $YELLOW "Network Driver Information:"
+            for i in $(ls /sys/class/net/); do
+                print_color $GREEN "\nDriver info for $i:"
+                ethtool -i $i 2>/dev/null || echo "No driver information available"
+            done
+            ;;
+        4)
+            return
+            ;;
+    esac
+}
+
+# Function to display firewall status
+check_firewall() {
+    print_color $BLUE "\nFirewall Status:"
+    echo "1. Show Proxmox firewall status"
+    echo "2. Show iptables rules"
+    echo "3. Back to main menu"
+    
+    read -p "Select an option: " fw_choice
+    
+    case $fw_choice in
+        1)
+            print_color $YELLOW "Proxmox Firewall Status:"
+            pvesh get /nodes/$(hostname)/firewall/rules
+            ;;
+        2)
+            print_color $YELLOW "IPTables Rules:"
+            iptables -L -v -n
+            ;;
+        3)
+            return
+            ;;
+    esac
+}
+
+# Main menu function
+main_menu() {
+    while true; do
+        print_color $BLUE "\nProxmox Network Diagnostic Tool"
+        echo "1. Test DNS Resolution"
+        echo "2. Test Ports"
+        echo "3. Check Network Interfaces"
+        echo "4. Test Network Connectivity"
+        echo "5. Check Network Cards"
+        echo "6. Check Firewall Status"
+        echo "7. Exit"
+        
+        read -p "Select an option: " choice
+        
+        case $choice in
+            1) test_dns ;;
+            2) test_ports ;;
+            3) check_interfaces ;;
+            4) test_connectivity ;;
+            5) check_network_cards ;;
+            6) check_firewall ;;
+            7) 
+                print_color $GREEN "Exiting..."
+                exit 0
+                ;;
+            *)
+                print_color $RED "Invalid option"
+                ;;
+        esac
+        
+        read -p "Press Enter to continue..."
+    done
+}
+
+# Script entry point
+check_root
+main_menu
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