The silence was heavy. This was the "Valley of Death." If the switch didn't come back up in ten minutes, the SLA (Service Level Agreement) would be breached, and heads would roll.
Set the downloaded .cc file as the startup image for the next boot cycle.
Upgrading your Huawei switch firmware is a crucial task that ensures your network infrastructure remains secure, efficient, and up-to-date. By following the steps outlined in this article, you can successfully upgrade your Huawei switch firmware and take advantage of new features, security patches, and performance enhancements. Remember to always plan for downtime, backup your configuration, and verify the firmware file to ensure a smooth upgrade process. Huawei Switch Firmware Upgrade
The entire process is faster than traditional methods and eliminates manual file download steps.
Download the digital signature file or use a hashing tool to calculate the MD5/SHA256 checksum of the downloaded file. Compare it against the value provided on Huawei’s website to ensure the file is not corrupted. Phase 3: Transferring the Firmware to the Switch The silence was heavy
⚠️ Some Huawei switches require intermediate versions (e.g., V200R010 → V200R019 requires first upgrading to V200R016). Always follow the upgrade path in the release notes.
display version # Confirm target version is active display device # All cards should be "Normal" status, not "Fault" display cpu-usage # Should stabilize under 30% after ARP table rebuilds display memory-usage # Ensure no memory leaks (consistent values) display logbuffer # Look for "Upgrade successful" or error codes like "L2IF/3/NO_PORT" Upgrading your Huawei switch firmware is a crucial
# 1. Pre-check <SW1> display version <SW1> dir