> For the complete documentation index, see [llms.txt](https://vesta-guide.gitbook.io/vesta-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://vesta-guide.gitbook.io/vesta-guide/third-parties/cudy-21.md).
# CUDY-21
## Upgrading the CUDY-21 Router for VESTA Integration
Integrating your CUDY-21 router with VESTA enhances your Internet connectivity and offers advanced networking features. Follow the steps below to upgrade your CUDY-21 router and prepare it for integration with VESTA.
### Prerequisites
Before starting the upgrade process, ensure you have the following:
* VESTA control panel
* The CUDY-21 router connected to your computer.
* Downloaded the latest firmware version for the CUDY-21 router from the official website or following file:
{% file src="/files/mLEYqVBKoLCEHK1eiSSs" %}
CUDY FIRMAWARE
{% endfile %}
### Step 1: Access the Router's Admin Interface
1. Connect the router by cable to the PC or the main router.
2. Access the router's IP: 192.168.10.1 (Get in the same range if connecting directly via PC) or cudy.net
3. Enable WAN:
