commit 371e59c6e07f84669735b47506a231aed49c8583
Author: Miguel <miguel.vera.csa@gmail.com>
Date:   Tue Apr 29 07:09:13 2025 -0300

    Añadir Home

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+# Network Interface IP Configuration Utility Wiki
+
+## Table of Contents
+- [Overview](#overview)
+- [Installation](#installation)
+- [Main Components](#main-components)
+- [IP Setup Tab](#ip-setup-tab)
+- [Tools Tab](#tools-tab)
+- [Network Scanning](#network-scanning)
+- [Administrator Privileges](#administrator-privileges)
+- [Configuration Files](#configuration-files)
+- [Troubleshooting](#troubleshooting)
+- [FAQ](#faq)
+
+## Overview
+
+The Network Interface IP Configuration Utility is a Python-based desktop application designed to simplify network interface management on Windows systems. It provides an intuitive graphical interface for changing IP addresses, enabling/disabling DHCP, and performing network diagnostics.
+
+## Installation
+
+### Prerequisites
+- Windows operating system
+- Python 3.6 or higher
+- Administrative privileges (required for changing network settings)
+
+### Dependencies
+Install the required Python packages:
+```
+pip install -r requirements.txt
+```
+
+Optional dependencies (enhanced functionality):
+- `pythonping`: For improved ping functionality (`pip install pythonping`)
+- `pysnmp`: For SNMP functionality (`pip install pysnmp`)
+- `wmi`: For improved network interface detection (`pip install wmi`)
+- `mac-vendor-lookup`: For MAC address vendor lookup (`pip install mac-vendor-lookup`)
+
+### Running the Application
+Run the main script:
+```
+python menu-ip-change.py
+```
+
+## Main Components
+
+The application is divided into two main tabs:
+1. **IP Setup**: For configuring network interfaces
+2. **Tools**: For network diagnostics and scanning
+
+Both tabs share a common log area that displays operation results and informational messages.
+
+## IP Setup Tab
+
+### Interface Selection
+- Use the dropdown menu to select the network interface you want to configure
+- The current configuration (IP, subnet mask, gateway, and DHCP status) will be displayed
+
+### Setting a Static IP
+1. Enter the IP prefix (first three octets) in the "IP Prefix" field
+2. Enter the last octet in the "Last Octet" field
+3. Set the subnet mask (directly or using CIDR notation)
+4. Click "Set Static IP"
+
+### Enabling DHCP
+1. Select the network interface
+2. Click "Enable DHCP"
+
+### Using IP History
+- Previously used IP addresses are saved in the IP History dropdown
+- Select an entry to quickly configure that IP
+- The application remembers subnet masks for each IP prefix
+
+### Quick Actions
+- **Restore Previous**: Reverts to the previous configuration
+- **Refresh Interfaces**: Updates the list of available network interfaces
+- **Copy buttons**: Quick copy of current IP or gateway to clipboard
+
+## Tools Tab
+
+### Ping Tool
+- Enter an IP address or hostname in the "Target IP/Host" field
+- Click "Ping" to send echo requests
+- Enable "Continuous Ping" to keep pinging until stopped
+- "Last RTT" shows the most recent ping response time
+- Use "Stop" to end continuous pinging
+
+### Network Scanner
+- Define an IP range (Start IP, End IP) or use the CIDR field
+- Click "Start Scan" to discover active hosts in the specified range
+- The scan progress bar shows completion status
+- Results appear in the table with IP addresses and ping times
+- Click "Get Host Info" to retrieve hostnames and MAC addresses
+- MAC vendors are automatically identified (when available)
+
+## Network Scanning
+
+### Scan Process
+1. Define the IP range to scan
+2. Start the scan to discover active hosts
+3. Use "Get Host Info" to gather detailed information about discovered hosts
+
+### Scan Results
+The scan results display:
+- IP Address
+- Ping time (ms)
+- Hostname (when resolved)
+- MAC Address (when available)
+- MAC Vendor (manufacturer)
+
+## Administrator Privileges
+
+Administrator privileges are required to change network settings on Windows. When you attempt to change network settings, the application will:
+
+1. Launch a separate script with administrator privileges
+2. Execute the appropriate network commands
+3. Log the results
+
+### How It Works
+The main application (`menu-ip-change.py`) uses a helper script (`ip-changer-admin.py`) to execute network configuration commands with elevated privileges. This helper script is launched using the Windows `ShellExecuteW` API with the "runas" verb.
+
+## Configuration Files
+
+The application stores configuration in several JSON files:
+
+### ip_config.json
+Stores:
+- Last used interface
+- Last used IP prefix
+- Previous configuration (for restore function)
+- Last used subnet mask
+
+### ip_history.json
+Stores a history of previously used IP addresses and their subnet masks.
+
+### ping_targets.json
+Stores preferred ping targets for each IP prefix.
+
+## Troubleshooting
+
+### Common Issues
+
+#### Unable to Change Network Settings
+- Ensure you have administrator privileges
+- Check the operation log for specific error messages
+- Verify the interface name is correct
+
+#### Network Scan Not Working
+- Check firewall settings (may block ping/ICMP)
+- Ensure the IP range is correctly specified
+- Try scanning a smaller range
+
+#### MAC Address Not Found
+- Some devices may not respond to ARP
+- Try using "Get Host Info" to retry MAC detection
+- Some virtualized interfaces won't return MAC addresses
+
+### Log Messages
+The application maintains a detailed operation log that can help diagnose issues. Common message types:
+- INFO: Informational messages
+- ERROR: Error conditions
+- SUCCESS: Successful operations
+- DISCOVERY: Host discovery during scanning
+- PING: Ping results
+- MAC/HOSTNAME/VENDOR: Device information
+
+## FAQ
+
+### Q: Does this work on non-Windows systems?
+A: No, this application is designed specifically for Windows and uses Windows-specific commands.
+
+### Q: Why does it need administrator privileges?
+A: Changing network settings on Windows requires elevated privileges for security reasons.
+
+### Q: Can I scan large IP ranges?
+A: Yes, but scanning large ranges (thousands of IPs) may take a significant amount of time.
+
+### Q: How does the continuous ping work?
+A: It sends ping requests at regular intervals (approximately once per second) until stopped.
+
+### Q: How does the MAC vendor lookup work?
+A: The application uses the mac-vendor-lookup library, which contains a database of MAC address prefixes and their corresponding manufacturers.
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