40G/100G Optical Transceivers
10G/25G Optical Transceivers
155M/622M/2.5G Optical Transceivers
100M/1G Optical Transceivers
FC 16G/32G Optical Transceivers
CWDM/DWDM Optical Transceivers
100M/1G/10G Coppers
Active Cable AOC
Direct Attach Cable DAC
Regular/MTP-MPO Fiber Patch Cords
MT2011
MT2010
CodingBox
首页 > Home > Application Notes > Guidelines for Installation or Upgrade of the JUNIPER QFX Switch System Throught USBGuidelines for Installation or Upgrade of the JUNIPER QFX Switch System Throught USB
Time: 2025-01-14
The system files usually have tgz format installation package and image format system image file of JUNIPER switch, it has introduced to you the use of FTP to import installation package tgz format , and use of the commands install and perform software upgrades on the switch by a article which named JUNIPER QFX Series Switch System Upgrade Guidelines. And then, Moduletek Laboratory will show you how to upgrade the JUNIPER QFX switch with the help of USB by using the system image file in image format.
1. USB boot disk creation
Download the system image file in image format from the official website after checking the device model. In this case, the switch model is QFX5200-32C (junos:18.4R1.8), and the upgrade target system version is junos 20.2 (system image file: install-media-host-usb-qfx-5e-flex-x86-64-20.2R2.11.img).
Note: Download directory for the system software of switch: https://support.juniper.net/support/downloads;
Figure 1 Image File Download
Write the image file with the help of disk image tool to make the USB into a boot disk, and use FAT32 as the format of the USB disk.
Figure 2 Make a boot disk
You can see the following files inside the USB after writing the image file to the USB.
Figure 3 USB boot disk file
2. Installation of switch system
Connect the boot disk to the USB port of the switch, power on the switch, in the options that pop up after entering the system ,select the second item to install JUNIPER operating system;
Figure 4 Select System Installation
The device will start to install the system in the boot disk and reboot automatically after the installation is completed; the software of upgrade the switch without considering the cross-version problem by this method;
Figure 5 System installation process
The upgrade is completed after the switch boots successfully, the original user configuration is invalidated, and the system logs in with the root account without password; the operating system software version of the switch can be checked.
Figure 6 View the current software version of the switch
Moduletek Limited is at your service.
If you have any questions about the above content, you can contact us by Email : web@moduletek.com.
