default-gateway
Advanced tools
Package description
The default-gateway npm package provides a simple and efficient way to find the default gateway of the local machine's network interfaces. It supports multiple operating systems, including Windows, macOS, and Linux, making it a versatile tool for network-related programming tasks. This package can be particularly useful for applications that need to interact with the network layer of the operating system, such as determining the best route for network traffic or configuring network settings programmatically.
Finding the default gateway for IPv4
This feature allows you to asynchronously find the default IPv4 gateway of the local machine. The result is an object containing the gateway's IP address and the associated network interface.
const defaultGateway = require('default-gateway');
defaultGateway.v4().then(result => console.log(result));Finding the default gateway for IPv6
Similar to the IPv4 feature, this allows for the asynchronous discovery of the default IPv6 gateway. The result includes the IPv6 gateway address and the network interface it is associated with.
const defaultGateway = require('default-gateway');
defaultGateway.v6().then(result => console.log(result));The 'ip' package provides utilities for handling IP addresses, including the ability to parse and format them. While it doesn't offer direct functionality to find the default gateway, it complements 'default-gateway' by providing tools to work with the IP addresses that 'default-gateway' might return.
The 'network' package offers a broader range of network-related functionalities, including getting the user's IP address, gateway, and active network interfaces. It serves a similar purpose to 'default-gateway' but with additional features that might be useful for more comprehensive network programming tasks.
While not a third-party package but a core Node.js module, 'os' provides basic operating system-related utility functions. It includes methods to retrieve network interface details. However, it does not directly provide the default gateway information, making 'default-gateway' a necessary complement for specific gateway-related tasks.
Readme
Get the default network gateway, cross-platform.
Obtains the network gateway through exec calls to OS routing interfaces. Supports Linux, macOS and Windows. On Linux, the ip command must be available (usually provided by the iproute2 package).
$ npm install --save default-gateway
const defaultGateway = require('default-gateway');
defaultGateway.v4().then(result => {
//=> {gateway: '1.2.3.4', interface: 'en1'}
});
defaultGateway.v6().then(result => {
//=> {gateway: '2001:db8::1', interface: 'en2'}
});
Returns a promise that resolves to a object containing the IPv4 gateway and interface. If it succeeds, gateway will always be defined, while interface can be absent. Rejects when the gateway cannot be determined.
Returns a promise that resolves to a object containing the IPv6 gateway and interface. If it succeeds, gateway will always be defined, while interface can be absent. Rejects when the gateway cannot be determined.
© silverwind, distributed under BSD licence
FAQs
Get the default network gateway, cross-platform.
We found that default-gateway demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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