How to Verify IP Addressing Assignment in Cisco Routers

In the previous post, I have shared IP Configuration on Cisco IOS and demonstrated steps and commands to succesfully assign it to router interfaces.

IP Address Tutorial on CISCO IOS – Configuration Manual Cisco Routers

In this Article/Blog Post, I am showing how to verify and check the IP Status on Cisco Router Interfaces.

I am using Cisco Packet Tracer to demonstrate this Lab.

It’s pretty straight forward and you can check the status by entering just one command.

Check and Verify IP Address Status on Cisco Router Interface

Cisco IOS Displays interface status as – Administratively down and Up

You need to check if it’s down and up after IP Assignment.

Here, as you can see the IP Configuration, below.

We need to verify IP address assignment and check interface status if it is successful and running.

To verify we do this by using “show” commands in cisco ios.

Above Example Displays:

To check and verify the assignment, enter “show ip interface brief” command in privilege mode.

As you can see here, you have 6 fields showing interfaces and details

As we have configured it manually, you can see the method as manual. Status must be up after configuration.

The “No shutdown” command is important and must be entered after IP Assignment. It notifies Cisco IOS to enable the interface status running and up.

This is how you verify interface status in cisco IOS.

The commands are same and are also performed in real networks to perform troubleshooting and verification.

You can also check the Individual Interface status using the command – “show interface g0/0/1″

Check in the image above for the following command.

You get details on specific interface on cisco ISR IOS.

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