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Huawei Switch Firmware Upgrade Access

<SW1> save <SW1> reboot

| Task | Details | |------|---------| | Identify current version | 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 |

⚠️ Critical: Some Huawei switches require intermediate versions (e.g., V200R010 → V200R019 requires first upgrading to V200R016). Always follow the upgrade path in the release notes. Huawei Switch Firmware Upgrade

Choose one of the following methods (TFTP recommended for simplicity):

Method A: TFTP (most common)

<Huawei> tftp 192.168.1.100 get S5720-V200R023C00SPC500.cc

Method B: FTP

<Huawei> ftp 192.168.1.100
[ftp] get S5720-V200R023C00SPC500.cc
[ftp] quit

Method C: USB (for field work)

<Huawei> mount usb0:
<Huawei> copy usb0:/S5720-V200R023C00SPC500.cc flash:

Method D: SCP/SFTP (secure, recommended for production)

<Huawei> scp 192.168.1.100: S5720-V200R023C00SPC500.cc flash:
# Provide username/password when prompted

Scenario: Upgrade S5720-28P-PWR from V200R019 to V200R023. &lt;SW1&gt; save &lt;SW1&gt; reboot | Task | Details

After the switch comes back online: