Network Configuration Menu Script

Description

A powerful PowerShell script for managing IPv4 network settings with support for static IPs, DHCP configurations, and advanced network diagnostics. Features enhanced error handling, configuration management, and a comprehensive subnet calculator.

Features

Core Functionality

• Static IP and DHCP Configuration: Seamlessly switch between static IP and DHCP modes
• Configuration Management: Save and load network configurations to/from XML files for easy backups
• Network Connectivity Testing: Comprehensive network diagnostics including gateway, DNS, and internet connectivity tests
• Subnet Calculator: Advanced subnet calculations with binary representations, CIDR notation, and subnetting guides

User Experience

• Intuitive Menu-Driven Interface: Easy-to-navigate menu system with quick actions
• Smart Input Validation: Robust validation for IP addresses, subnet masks, DNS servers, and hostnames
• Enhanced Error Handling: Clear error messages and graceful error recovery
• Dynamic Version Display: Version information extracted automatically from script header
• Quick Actions: Shortcuts for common tasks (Quick DHCP, status check, quick test, refresh)

Configuration & Storage

• AppData Storage: All configuration, log, version, and interface files stored in AppData for better organization
• Automatic File Migration: Seamlessly migrates old config files to AppData location
• Interface Persistence: Saves and reuses selected network interfaces across sessions
• Log Rotation: Automatic log file management with configurable size limits and archive retention

Network Features

• Smart Gateway Suggestions: Intelligent gateway recommendations based on entered IP address
• Flexible Gateway Input: Enter last octet, .1/.254, full IP, or skip gateway configuration
• Strict DNS Validation: Accepts full IPv4 addresses or valid FQDNs/hostnames only
• Interface Management: Rescan interfaces and toggle visibility of down/disabled adapters
• Multi-Interface Support: Works with multiple network adapters including Ethernet and WiFi

Advanced Capabilities

• Comprehensive Network Testing: Tests gateway connectivity, public DNS servers, local DNS, and name resolution
• Parallel DNS Testing: Fast network diagnostics using parallel job execution
• Subnet Calculator:
  • IP address validation and network calculations
  • CIDR and subnet mask conversion
  • Network/broadcast address computation
  • Usable IP range identification
  • Binary representation display
  • Network class determination
  • Private/public IP detection
  • Subnetting recommendations

Safety & Security

• Administrator Elevation: Automatically requests admin privileges when needed
• Confirmation Prompts: Defaults to 'y' for faster workflow while maintaining safety
• Strict Input Validation: Cancels operations immediately on invalid input
• Interface Requirement Blocking: Prevents configuration actions until valid interface is selected
• Rollback Protection: Validates existing configurations before making changes

Prerequisites

• Windows OS with PowerShell.
• Having permission to run PowerShell as an administrator.
• Allow script execution:

  Set-ExecutionPolicy -Scope CurrentUser -ExecutionPolicy Bypass
  

Usage

To download and execute the script locally, follow these steps:

1. Download the Script

   • Visit the releases tab on the GitHub repository.
   • Download the latest version of the Network_Configuration.ps1 file.

2. Run the Script

   • Locate the downloaded file on your computer.
   • Right-click the file and select Run with PowerShell.

3. Follow the Prompts

   • The script will provide a series of interactive prompts to guide you through configuring your network settings.
   • If an invalid IP address is entered during static IP configuration, the process will be cancelled and you will be notified immediately.
   • Respond to each prompt with the required inputs.