Show a Single Interface Configuration on Cisco Router or Switch

This is very useful option to troubleshoot Interface configuration related issues on Cisco Router or Switch. Without this option displaying configuration of a single interface can be a very time-consuming task if your Router has extremely long configuration like 7200 series high-end Router with large number of interfaces, route-maps, access-lists etc. To display or show  single interface configuration, use the interface keyword with show running-config command in Router privilege mode.

Open/Show a Single Interface Configuration

For example, the show running-config interface serial 0/0/0 command displays only configuration of the specified interface without displaying the whole running configuration

Router#show  run int s0/0/0
Building configuration…
Current configuration : 149 bytes
interface Serial0/0/0
description ***Connected To ISP***
ip address
ip access-group 101 out
ip nat outside


Filed Under: Cisco General


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  1. Devis says:

    great work, now i am easy to troubleshoot or configure on Cisco Router or switch.


  2. Saris says:

    Hiya, I am just really delighted I’ve found this information. A good web site with exciting content, that is what I need. Appreciate your making this web-site, and I will be visiting again. Do you do news letters? I Can’t find it.

  3. Deva says:

    Thanks for tips! You have covered nice troubleshooting tips which are very useful for me. This is also very useful to check particular interface configuration on Cisco Router or Switch.

  4. Waugh says:

    I like to read often, keep doing fine work ! 🙂

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