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				README.md
			
		
		
			
			
		
	
	default-gateway
Obtains the machine's default gateway through exec calls to OS routing interfaces.
- On Linux and Android, the ipcommand must be available (usually provided by theiproute2package).
- On Windows, wmicmust be available.
- On IBM i, the db2utilcommand must be available (provided by thedb2utilpackage).
- On Unix (and macOS), the netstatcommand must be available.
Installation
$ npm i default-gateway
Example
const defaultGateway = require('default-gateway');
const {gateway, interface} = await defaultGateway.v4();
// gateway = '1.2.3.4', interface = 'en1'
const {gateway, interface} = await defaultGateway.v6();
// gateway = '2001:db8::1', interface = 'en2'
const {gateway, interface} = defaultGateway.v4.sync();
// gateway = '1.2.3.4', interface = 'en1'
const {gateway, interface} = defaultGateway.v6.sync();
// gateway = '2001:db8::1', interface = 'en2'
API
defaultGateway.v4()
defaultGateway.v6()
defaultGateway.v4.sync()
defaultGateway.v6.sync()
Returns: result Object
- gateway: The IP address of the default gateway.
- interface: The name of the interface. On Windows, this is the network adapter name.
The .v{4,6}() methods return a Promise while the .v{4,6}.sync() variants will return the result synchronously.
The gateway property will always be defined on success, while interface can be null if it cannot be determined. All methods reject/throw on unexpected conditions.
License
© silverwind, distributed under BSD licence