R3Polska.Networking 2.0.0

dotnet add package R3Polska.Networking --version 2.0.0
                    
NuGet\Install-Package R3Polska.Networking -Version 2.0.0
                    
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="R3Polska.Networking" Version="2.0.0" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="R3Polska.Networking" Version="2.0.0" />
                    
Directory.Packages.props
<PackageReference Include="R3Polska.Networking" />
                    
Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add R3Polska.Networking --version 2.0.0
                    
#r "nuget: R3Polska.Networking, 2.0.0"
                    
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
#:package R3Polska.Networking@2.0.0
                    
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.
#addin nuget:?package=R3Polska.Networking&version=2.0.0
                    
Install as a Cake Addin
#tool nuget:?package=R3Polska.Networking&version=2.0.0
                    
Install as a Cake Tool

R3Polska.Networking

CI codecov NuGet License

Network helper utilities for retrieving MAC addresses and local IP addresses with support for Docker containerized environments.

Features

  • MAC Address Retrieval: Get hardware MAC addresses from system or file-based sources
  • Docker Volume Support: Prioritizes /hw folder paths for consistent hardware identification in containers
  • Local IP Detection: Determine which local IP address would be used to reach a target network
  • Cross-Platform: Works on Linux and Windows systems

Installation

dotnet add package R3Polska.Networking

Usage

Get MAC Address

using R3Polska.Networking;

// Get MAC address (checks Docker volumes first, then system)
string macAddress = NetworkHelper.GetRealMacAddress();

// Use custom paths
string macAddress = NetworkHelper.GetRealMacAddress("/custom/path/to/mac");

The method searches for MAC addresses in the following order:

  1. Docker-mapped volumes under /hw/class/net/*/address
  2. System network interfaces under /sys/class/net/*/address
  3. System API fallback (Windows or when files don't exist)

Get Local IP for Network

using R3Polska.Networking;

// Get local IP that would be used to reach Google DNS
string localIp = NetworkHelper.GetLocalIpForNetwork("8.8.8.8");

// Use default target (10.8.0.1)
string localIp = NetworkHelper.GetLocalIpForNetwork();

This emulates ip route get to determine routing without sending network traffic.

Docker Support

To ensure consistent MAC address retrieval in Docker containers, mount the host's network interface info:

volumes:
  - /sys/class/net:/hw/class/net:ro

The library will prioritize reading from /hw/class/net paths when available.

Building

# Run tests
make test

# Generate coverage report
make coverage-html

# Create NuGet package
make pack

License

MIT

Product Compatible and additional computed target framework versions.
.NET net9.0 is compatible.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 was computed.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.
  • net9.0

    • No dependencies.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last Updated
2.0.0 90 1/22/2026
1.0.0 99 1/22/2026