To help you find the exact file you need, could you tell me: What is the you are trying to install?
The system is essentially telling you that the digital signature or checksum of the system software file (.cc) does not match what the BIOS/BootRom expects. 🛠️ Root Causes of Verification Failure
In rare cases, newer VRP software requires a BootRom upgrade before it can "verify" the image. Usually, the .cc file contains the BootRom update, but if you are jumping too many versions ahead (e.g., V100 to V200), you may need an intermediate "bridge" version. 📋 Summary Checklist Access the emergency boot menu Format/Clean Flash Remove corrupted data sectors TFTP Transfer Reload a fresh, uncorrupted image Check Signature Ensure the version matches the hardware model huawei s7721u recovery image verify failed link
Change the to the new filename you just downloaded. Save and Reboot. ⚠️ Critical Troubleshooting Tips Check the "Patch" Files
The software version is too new for the current BIOS/BootRom. To help you find the exact file you
Since the device cannot boot into the VRP (Versatile Routing Platform) shell, you must perform these steps via the . 1. Enter the BootRom Menu
Sometimes the error "Link" refers to a broken link between the main system software and a patch file. If you have a .pat file set to load at startup that is incompatible with your new .cc file, the verification will fail. Usually, the
Try moving the console cable to the redundant SRU (if available) to see if the issue is isolated to one board. Upgrade the BootRom
If the error persists across multiple different software versions: The on the S7721U board may be failing.
The system is looking for a specific filename that doesn't exist or is mislabeled. 🚀 Step-by-Step Recovery Guide