ip Command in Linux

Syntax of ip Command in Linux

The basic syntax of the ip command in Linux is as follows:

Where:

• options: This can be various flags that modify the behavior of the command.
• OBJECT: This refers to the type of object we are interacting with, such as 'address', 'route', 'link', etc.
• command: The action to be performed on the object. Some examples include 'add', 'del', 'show', etc.
• arguments: These are additional parameters needed for the command to execute.

Options in ip Command in Linux

1. -s, --statistics: This option makes the command output more detailed information.

   For example -

   Output:

   This command will provide detailed statistics such as the number of received and transmitted packets, errors, dropped packets, etc.

2. -4, -6: These options force the ip command to use either IPv4 (-4) or IPv6 (-6).

   For example -

   Output:

   This command allows the user to specifically interact with IPv4 addresses.

3. -o, --oneline: This option makes the output to be printed on one line, which is very useful when dealing with multiple entries.

   For example -

   Output:

   This command makes it easier to read or parse the output.

Example Usages

• To display all network interfaces:

  Output:

  Explanation: This command provides a list of all active and inactive network interfaces on the system.

• To add a new IP address to an interface:

  Output:

  Explanation: This command is useful when configuring a new network interface.

Advanced Use Cases of ip Command in Linux

• Setting up a new static route:

  Output:

  Explanation: This command is necessary when you want to manually manage the routing table.

• Deleting an IP address:

  Output:

  Explanation: This command is useful when you want to remove an IP address from an interface.

• Displaying all IP addresses on your machine in a concise way:

  Output:

  Explanation: This command makes it easier to get a quick overview of the IP configuration on the system.