H3C S5120 Switches: How to Download and Install the Latest Firmware
H3C S5120 Switch Series: How to Download and Install Firmware Updates
If you are using a switch from the H3C S5120 series, you might want to keep your firmware up to date to ensure optimal performance, security, and stability. Firmware updates can fix bugs, enhance features, and improve compatibility with other devices. In this article, we will show you how to download and install firmware updates for your switch in a few simple steps.
What is the H3C S5120 switch series?
The H3C S5120 switch series is a family of intelligent, manageable, Layer 2 Gigabit Ethernet switches designed for the access and distribution layers of enterprise networks. The series delivers high performance, high port density, and ease of installation. The S5120 series includes several models with different port types and power options, such as S5120-EI, S5120-SI, S5120-HI, S5120V2-LI, and S5120V3-LI.
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Why do you need to update the firmware?
Firmware is the software that runs on your switch and controls its functions. Firmware updates can provide various benefits, such as:
Fixing known issues or bugs that might affect your switch operation or security.
Enhancing existing features or adding new features that can improve your switch performance or functionality.
Improving compatibility with other devices or protocols that might interact with your switch.
Therefore, it is recommended that you check for firmware updates regularly and install them as soon as possible.
What are the prerequisites for firmware update?
Before you start updating your switch firmware, you need to make sure that:
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You have an active Internet connection and a web browser.
You have access to the switch management interface through the console port, Telnet/SSH, or web-based network management system.
You have administrator privileges on the switch.
You have enough free space on the flash memory of the switch to store the new firmware files.
You have a backup of your current configuration and software image in case of any problems.
How to download firmware updates
How to find the latest firmware version for your switch model
The first step is to find out what is the latest firmware version available for your switch model. You can do this by visiting the on the website to search for software by product series or serial number.
Once you find the latest firmware version for your switch model, note down its name and release date. For example, for the S5120-EI model, the latest firmware version as of June 2023 is Release 2208 (released on 23-11-2022).
How to download firmware files from the H3C website
The next step is to download the firmware files from the H3C website. You can do this by following these steps:
Go to the and log in with your account. If you don't have an account, you can register for free.
Navigate to the and click on the Software Download tab.
Select your switch model from the drop-down menu and click on the Search button.
Find the latest firmware version for your switch model and click on the Download button.
Read and accept the terms and conditions and click on the Confirm button.
Save the firmware files to your computer. The firmware files are usually compressed in a ZIP or RAR format and contain two files: a BIN file (the firmware image) and a DIGEST file (the checksum file).
How to verify the integrity of the downloaded files
The last step before installing the firmware updates is to verify the integrity of the downloaded files. This is to ensure that the files are not corrupted or tampered with during the download process. You can do this by comparing the checksum values of the files with the values provided by H3C. A checksum is a unique code that is generated from a file using a mathematical algorithm. If two files have the same checksum, they are identical. You can use a tool such as to calculate and compare checksums.
To verify the integrity of the downloaded files, follow these steps:
Extract the firmware files from the ZIP or RAR archive to a folder on your computer.
Open the DIGEST file with a text editor and note down the checksum value for the BIN file. The checksum value is usually a 32-digit hexadecimal number.
Run the MD5 & SHA Checksum Utility and browse to select the BIN file.
Select MD5 as the algorithm and click on Calculate.
Compare the checksum value displayed by the tool with the value from the DIGEST file. If they match, the file is intact. If they don't match, the file is corrupted and you need to download it again.
How to install firmware updates
How to back up your current configuration and software image
Before you install the new firmware image, you should back up your current configuration and software image to a safe location. This is to prevent any data loss or configuration errors in case of any problems during or after the firmware update. You can back up your configuration and software image using different methods, such as:
Using FTP, TFTP, or SFTP to transfer the files from the switch to a server or computer.
Using USB flash drive or SD card to copy the files from the switch to an external storage device.
Using web-based network management system to export or import the configuration and software image files.
The exact steps for backing up your configuration and software image may vary depending on your switch model and firmware version. You can refer to the of H3C for more details.
How to upload the new firmware files to the switch
After you have backed up your configuration and software image, you can upload the new firmware files to the switch. You can do this using different methods, such as:
Using FTP, TFTP, or SFTP to transfer the files from a server or computer to the switch.
Using USB flash drive or SD card to copy the files from an external storage device to the switch.
Using web-based network management system to upload the files from your computer to the switch.
The exact steps for uploading the new firmware files may vary depending on your switch model and firmware version. You can refer to the of H3C for more details.
How to activate the new firmware image
After you have uploaded the new firmware files to the switch, you can activate the new firmware image. This means that you can make the switch boot from the new firmware image instead of the old one. You can do this using different methods, such as:
Using the console port, Telnet/SSH, or web-based network management system to execute commands on the switch.
Using a bootrom menu to select the boot option on the switch.
Using a configuration file to specify the boot option on the switch.
The exact steps for activating the new firmware image may vary depending on your switch model and firmware version. You can refer to the of H3C for more details.
How to verify the firmware update status
After you have activated the new firmware image, you can verify the firmware update status. This means that you can check if the switch has booted from the new firmware image and if it is working properly. You can do this using different methods, such as:
Using the console port, Telnet/SSH, or web-based net