Reactivating HTTP/HTTPS access via serial cable connection or SSH-terminal

Sometimes, it might happen that you lock yourself out of the web interface completely. Especially when trying to set up different ports for HTTP and HTTPS access to the web interface. This tutorial will help you out reactivating the HTTPS access via serial connection or SSH-terminal!

Walkthrough steps for serial cable connection:
We will first provoke a lock-out and proceed with the walkthrough steps around 1:00 in the video.

1. Download and install a terminal program (Tera Term for example)

2. Run the terminal program and choose the correct connection, in our case:  Com 3 USB serial port

3. Go to the “Properties > Serial port” and set the baud rate to 115200

4. Hit the Enter-Key and enter your credentials (by default username “admin” and password “1234” )

5. Enter the following commands:

These commands will reset the configuration, which prevents your access.

A more detailed explanation can be found in the video.

configure terminal
ip http secure-server
write
exit

6. Open the browser and enter the IP-address of the device.

You now have reactivated the web interface via serial connection.

Walkthrough steps for SSH-terminal:

We will first provoke a lock-out and proceed with the walkthrough steps around 1:50 in the video.

1. Download and install SSH-terminal (PuTTY for example)

2. Run the terminal program, enter the correct IP-address and select SSH (port 22)

3. Click on “Open” and click on “Yes”

4. Enter your credentials (by default username is “admin” and is password “1234” )

5. Enter the following commands:

These commands will reset the configuration, which prevents your access.

A more detailed explanation can be found in the video.

Router> configure terminal
Router(config)# ip http secure-server
Router(config)# write
Router(config)# exit

6. Open the browser and enter the IP-address of the device.

You now have reactivated the web interface via serial connection!