# Rtutil : Other routing tools

This module provides some miscellaneous tools about network routing.

User can use the following code to import the rtutil module.

var rtutil = require('router/rtutil');

# Support

The following shows rtutil module APIs available for each permissions.

# Rtutil Object

# rtutil.nameServer([domain])

• domain {Integer} Network protocol domain, must be: socket.AF_INET or socket.AF_INET6. default: undefined means all domain.
• Returns: {Array} Array of name servers currently in use.

# Example

var servers = rtutil.nameServer();
console.log(servers);

# rtutil.forward()

• Returns: {Boolean} Whether routing is enabled on the current machine.

Get the current routing and forwarding status.

# rtutil.forward(ipv4[, ipv6])

• ipv4 {Boolean} Enable or disable IPv4 routing and forwarding.
• ipv6 {Boolean} Enable or disable IPv6 routing and forwarding. default: false.
• Returns: {Boolean} Whether routing is enabled on the current machine.

Enable or disable routing and forwarding.

# Example

rtutil.forward(true); // Enable IPv4 routing.

# rtutil.qos()

• Returns: {Boolean} Whether QoS state on the current machine.

Get the current QoS master switch status.

# rtutil.qos(enable)

• enable {Boolean} Enable or disable network QoS.
• Returns: {Boolean} Whether QoS is enabled on the current machine.

Enable or disable network QoS master switch.

# Example

rtutil.qos(true); // Enable QoS.