How to Update Firmware on Cisco Switch

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Objective

The firmware is the plan that controls the operation and functionality of the switch. It is the combination of software and hardware that has plan code and data stored in it in society for the device to function.

Upgrading the firmware improves the performance of the device, which could provide enhanced security, new features, and bug fixes. This procedure is also necessary if y’all encounter the following:

Frequent network disconnection or intermittent connectedness using the switch
Slow connection

You can upgrade the firmware of the switch through its web-based utility or through the Control Line Interface (CLI).

This article aims to show yous how to upgrade the firmware on your switch through the CLI. If you lot are a beginner, you lot may want to upgrade the firmware using the Graphical User Interface (GUI). This article covers the job of having to update the boot code.
How to Upgrade Firmware on 200/300 Series Switches

Here is a second commodity that that explains how to upgrade the firmware using the web-based utility.
Upgrade Firmware on a Switch.

Applicable Devices | Software Version

Sx300 Series | 1.4.7.06 (Download latest)
Sx350 Series | two.2.viii.04 (Download latest)
SG350X Series | ii.ii.8.04 (Download latest)
Sx500 Serial | ane.four.7.06 (Download latest)
Sx550X Series | ii.ii.8.04 (Download latest)

Upgrade Firmware on a Switch through the CLI

Download the Latest Firmware

In preparation for the upgrade process, download first the latest firmware of the switch. Follow the instructions below:

Step one. Select the link for the latest version of firmware using the advisable link above.

Read: Download Firmware Xiaomi A 2 Lite

Step 2. Choose the exact model from the drop-down list.

Stride 3. Click
Switch Firmware.

Footstep four. The folio will show the latest firmware version of your switch and the size of the file. Click the
Download
button.

Make certain to copy the file to your TFTP folder.

Upgrade the Firmware through the CLI

Step 1. Connect your calculator to the switch using a console cable and launch a terminal emulator awarding to access the switch CLI.

In this example, PuTTY is used as the terminal emulator application.

Step 2. In the PuTTY Configuration window, cull
Series
as the Connection type and enter the default speed for the serial line which is 115200. Then, click
Open.

Footstep three. Log in to the switch CLI using your ain User Proper noun and Password.

The default username and password is cisco/cisco. In this case, the default User Name cisco, and a personal countersign is used.

Step iv. Once you are on the CLI, enter the privileged exec mode and check the firmware version your switch is currently using too every bit the location where the prototype is installed, and other information by entering the following:

CBS350#sh ver

In the example image below, the switch used is the SG350X and the following information is shown:

The switch is running firmware version 2.2.v.68
The image is installed in the flash directory
The MD5 hash string
The time and engagement the image is loaded to the switch

Step 5. Browse through your TFTP binder and run the TFTP server in the groundwork in grooming for the upgrade process.

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Step 6. Upload the latest firmware file from your TFTP binder to the switch past entering the post-obit:

CBS350#kicking arrangement tftp://192.168.100.108/image/image_tesla_Sx250-350_Sx350X-550X_2.2.eight.4.bin

Note:
In this example, the IP address of the TFTP server used is 192.168.100.108.

Step 7. Look until the page shows that the functioning has been completed.

Step eight. (Optional) To verify that the new epitome file has been successfully loaded, cheque your switch firmware information again past entering the following:

CBS350#sh ver

Step 9. Check the firmware data. The page should testify both the erstwhile and new image files only should point that the old image file will be inactive after reboot and the new image file will be agile after reboot.

Step 10. Reboot the switch by inbound the following:

CBS350#reload

Step 11. Enter
Y
in the message prompt to continue.

Step 12. Wait for a few minutes while the system is shutting down and rebooting.

Footstep 13. In one case the arrangement has rebooted, log in to the switch once again.

Step 14. Verify the if the new image file is now active by entering the following:

CBS350#sh ver

Footstep 15. Bank check the image information displayed. Information technology should now bear witness that the agile image is the latest version.

You should now have successfully upgraded the firmware on your switch through the CLI.