Huawei Switch Firmware Upgrade -

| Task | Details | |------|---------| | | display version | | Check hardware model | display device → confirm exact model (e.g., S5720-28P-PWR-LI-AC) | | Download correct firmware | From Huawei Enterprise Support portal (requires support contract) | | Read release notes | Verify upgrade path, minimum memory requirements, and potential impact | | Backup configuration | display current-configuration → save to TFTP/FTP server | | Backup license files | display license → save license file | | Check storage space | dir → ensure sufficient flash memory (at least 2x firmware size) | | Inform stakeholders | Plan a maintenance window (upgrades often cause reboot) | | Prepare rollback plan | Keep previous firmware file and configuration backup |

<Huawei> dir <Huawei> checksum flash:/S5720-V200R023C00SPC500.cc Huawei Switch Firmware Upgrade