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The first column in the output of the three commands indicates the target network. You can view your current main routing table with either of the following 3 commands: # ip route show Example 2: Displaying the main routing table Which will return all the information for eth1. Instead of displaying all the network interfaces, we can specify one of them: # ip link show eth1 If you want to re-enable eth1, # ip link set eth1 up In this example, we will disable and enable eth1: # ip link show The above image shows, for example, that you can change the status of a network interface with the following command: # ip link set interface įor such more examples of ‘ ip‘ command, read 10 Useful ‘ip’ Commands to Configure IP Address Example 1: Disabling and enabling a network interface You can run the following command to display the complete list of commands that can be applied to a particular object: # ip object help Whereas command represents a specific action that can be performed on object.

addr: protocol (IP or IPv6) address on a device.

Where object can be only one of the following (only the most frequent objects are shown – you can refer to man ip for a complete list): Its basic syntax is as follows: # ip object command The central utility in the iproute suite is called simply ip. The iproute package provides a set of tools to manage networking and traffic control that we will use throughout this article as they represent the replacement of legacy tools such as ifconfig and route.

Dynamic routing, or smart routing (if you wish), means that the system can alter automatically, as needed, the route that a packet follows.Īdvanced IP and Network Device Configuration.

These rules are fixed and are used to define the way a packet must go through as it travels from one machine to another.

Static routing requires a manually-configured set of rules defined in a routing table.Routing is the process of “ guiding” the data from source to destination inside a network.Networks that use TCP/IP as network protocol follow the same rules for transmission of data: the actual information is split into packets that are made of both data and the address where it should be sent to.

In simple words, a packet is the basic unit that is used to transmit information within a network.

First things first, let’s get some definitions straight: