Connect your laptop to the of the SRU. In the BootRom menu, select Ethernet Submenu . Configure the IP parameters: Device IP: (e.g., 192.168.1.10) Server IP: (Your laptop IP, e.g., 192.168.1.11)
Before downloading a new image, ensure the flash has enough room. Select from the menu. Delete old .cc files or logs if the flash is full. 3. Transfer a Valid Image via FTP/TFTP huawei s7721u recovery image verify failed link
Restart the switch. When prompted during the power-on self-test (POST), press or Ctrl+E immediately. Default Password: Admin@huawei.com or Huawei@huawei . Note: Older versions may use huawei . 2. Check Storage Space Connect your laptop to the of the SRU
If the current image is failing verification, you need to provide a "known good" image. Select from the menu
The software package was damaged during the FTP/TFTP transfer.
Change the to the new filename you just downloaded. Save and Reboot. ⚠️ Critical Troubleshooting Tips Check the "Patch" Files
To help you find the exact file you need, could you tell me: What is the you are trying to install?