The new software sat in the flash memory, a dormant digital entity waiting to be awakened. But the old OS was still king of the hill. Chen had to tell the switch who the new boss was.
After establishing the FTP connection, authenticate with your username and password.
Check the switch flash storage to ensure the file downloaded completely and matches the expected size. display flash: Use code with caution. 4. Specifying the Next Startup Software
Example:
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.
If the switch rejects the startup system-software command, the file may be corrupted. Re-verify the MD5 checksum and re-upload.
Then, the . <S7700> save config.cfg <S7700> ftp 10.10.10.50 <S7700> put config.cfg Huawei Switch Firmware Upgrade
Before beginning the upgrade, careful preparation is crucial to minimize risks and ensure a smooth process.
Q: What happens to my configuration during a firmware upgrade? A: Your configuration should be preserved during a firmware upgrade, but it is always recommended to backup your configuration before upgrading.
Set up a TFTP or FTP server on a PC that is on the same network segment as your switch. Download and configure a server program (like 3CDaemon, SolarWinds TFTP Server, or wftpd32). Disable the PC's firewall or configure it to allow the chosen protocol during the upgrade process to prevent timeouts or interruptions. The new software sat in the flash memory,
Save the current running configuration to prevent losing recent modifications, then initiate the reboot sequence:
startup saved-configuration flash:/vrpcfg_backup.zip reboot Use code with caution. Emergency Rollback
Chen initiated the TFTP transfer. The new firmware was heavy—nearly 400MB of compressed code intended to breathe new life into the old chassis. Verify the Startup Settings
startup system-software flash:/S5735-S-V200R019C10SPC500.cc Use code with caution. Verify the configuration with display startup . Reboot the switch with reboot . Conclusion
If you downloaded a matching patch file, designate it to load on startup as well: startup patch S5730-H-V200R021C00SPH001.pat Use code with caution. 3. Verify the Startup Settings