Huawei Switch Firmware Upgrade -

Use an SFTP or FTP client to upload the .cc system file to the switch's flash memory.

Save the configuration once more to preserve the startup pointers, then initiate a system reboot.

Ensure the switch can reach your PC's IP address. Transfer the Files: Huawei Switch Firmware Upgrade

ftp 10.10.1.2 # Replace with your PC IP [ftp] get S5700-V200R021C00.cc # Load system software [ftp] get S5700-V200R021SPH001.pat # Load patch file [ftp] quit Use code with caution. 3. Performing the Upgrade (CLI Method)

For core switches (e.g., S12700, S7700, CE12800) that cannot go offline, Huawei offers ISSU. This upgrades the standby MPU first, switches traffic, then upgrades the active MPU. Use an SFTP or FTP client to upload the

: Log in via SSH or Console and run display version to check the current VRP version, patch level, and hardware model.

If the flash is full, delete old logs, backups, or the old .cc file to make room. Transfer the Files: ftp 10

| Problem | Possible Causes | Recommended Actions | | :--- | :--- | :--- | | Restarted but still on old version | Startup item not set / file incompatible | Use check configuration compatible system-software ; re-run boot-loader command | | Checksum error during upload | Corrupted file / transmission error | Verify MD5 checksum; re-download and upload | | "No space left on device" | Flash memory full | Delete unnecessary files; use /unreserved to permanently remove | | Device won't boot after upgrade | Incompatible firmware | Boot from backup partition, use BootLoad menu, or perform version rollback | | Upgrade timed out | Network instability / large file size | Retry during low-traffic hours; use FTP instead of TFTP for large files |

<Huawei> startup web-file S5720-V200R021C10.web.7z <Huawei> startup patch S5720-V200R021C10.pat

Look for the VRP version line to confirm it matches the upgraded version code. Step 2: Verify Hardware and Interface States

Before executing any commands on the switch, you must gather information, back up existing data, and prepare the target environment. Step 1: Check Current System Status