Run display patch-information to verify the patch is running actively.
display version display patch-information display environment dir flash:/ Use code with caution.
Firmware upgrades on Huawei switches are essential for security patches, bug fixes, and new features. However, a failed upgrade can lead to network downtime. This post provides a proven, risk‑mitigated procedure for upgrading Huawei switch firmware (VRP system software).
This method is crucial for disaster recovery when the main system software is corrupted or the switch fails to boot properly. By accessing the BootROM menu during startup (by pressing Ctrl+B ), you can upload a fresh firmware image directly to the device's flash memory using FTP or TFTP over a network connection, bypassing the main operating system.
You will be prompted to confirm the reload and asked if you want to save the current configuration again. Type Y to proceed with the reboot. Note: The reboot process may take several minutes as the switch decompresses the new firmware and updates bootrom/hardware components. 5. Post-Upgrade Verification
Check that all interface modules and expansion cards are online, and verify that the ports are forwarding traffic normally. display device display interface brief Use code with caution.
Huawei switches support several upgrade paths. The choice depends on device access, network topology, and emergency level. Below is a detailed comparison to help engineers select the optimal method.
<Huawei> sftp 192.168.1.200 identity-key rsa Enter username: netadmin Enter password: sftp> get S5720-V200R021C10.cc