ipconfig MacOS command

The MacOS ipconfig command allows users to view and manipulate their network configuration settings. It provides information on IP addresses, network interfaces, routing tables, and more. By using various options and flags, users can troubleshoot network issues, renew DHCP leases, flush DNS caches, and perform other network-related tasks efficiently.

ipconfig Syntax:

ipconfig [option] [parameter]

ipconfig Options:

Option	Description
-a	Display all information
-h	Display help message
-r	Release the DHCP lease
-renew	Renew the DHCP lease
-show	Display information for a specified interface
-set	Set the configuration for a specified interface

Caution

It is recommended to use the ipconfig command with caution as it can modify network settings and disrupt network connectivity if used improperly.

Parameters:

Parameter	Description
interfaceName	Name of the network interface

ipconfig Command Usage Examples:

Display the current network configuration

ipconfig getpacket en0

Displays the current network configuration for the specified interface “en0”.

Release the DHCP lease

sudo ipconfig set en0 BOOTP

Releases the DHCP lease for the specified interface “en0”.

Renew the DHCP lease

sudo ipconfig set en0 DHCP

Renews the DHCP lease for the specified interface “en0”.

Refresh the DHCP lease and configuration

sudo ipconfig set en0 BOOTP; sudo ipconfig set en0 DHCP

Refreshes the DHCP lease and configuration for the specified interface “en0”.

Display DNS cache information

ipconfig getpacket en0 | grep domain_name_server

Displays the DNS server information stored in the cache for the specified interface “en0”.

Tip

When using the ipconfig command in MacOS, make sure to run it with the appropriate options to achieve the desired network configuration or diagnostic information.

How do I use ipconfig in MacOS?

To use the ipconfig command in bash, execute the following command:

ipconfig

How to release and renew DHCP lease using ipconfig in MacOS?

To release the DHCP lease and renew it using ipconfig, run the following commands:

ipconfig set en0 DHCP

How to flush DNS cache with ipconfig in MacOS?

To flush the DNS cache using ipconfig on MacOS, use the following command:

sudo killall -HUP mDNSResponder

How to display all network interfaces information with ipconfig in MacOS?

To display information for all network interfaces using ipconfig in MacOS, run the following command:

ifconfig -a

How to view detailed information about a specific network interface with ipconfig in MacOS?

To view detailed information about a specific network interface using ipconfig in MacOS, execute the following command:

ifconfig en0

How to renew DHCP lease for a specific network interface with ipconfig in MacOS?

To renew the DHCP lease for a specific network interface using ipconfig in MacOS, run the following command:

ipconfig set en0 DHCP

How to set a static IP address using ipconfig in MacOS?

To set a static IP address for a network interface using ipconfig in MacOS, use the following command as an example:

sudo ipconfig set en0 MANUAL <ip_address> <subnet_mask>

How to display only IPv4 addresses info using ipconfig in MacOS?

To display only IPv4 addresses information using ipconfig in MacOS, run the following command:

ifconfig | grep "inet "

Applications of the ipconfig MacOS command

• Display network interface configuration
• Renew DHCP lease
• Release DHCP lease
• Flush DNS cache
• Display ARP cache
• Set interface to active or inactive
• Set interface configuration from a DHCP server
• Configure a manual static IP address