Upgrade | Huawei Switch Firmware

Even with ISSU (In-Service Software Upgrade), reserve a 2-hour window. ISSU on Huawei switches is reliable only for minor revisions (e.g., R011 to R015). Major revisions require a full reboot.

Always test rollback in lab first.

After the files are on the switch, you must instruct the device to use them during the next boot. startup system-software S5700-V200R021C00.cc Use code with caution. Specify Next Startup Patch (If applicable): startup patch S5700-V200R021SPH001.pat Use code with caution. Huawei Switch Firmware Upgrade

[Huawei] upgrade file flash:/firmware.cc Even with ISSU (In-Service Software Upgrade), reserve a