If you’re trying to upgrade a Huawei LAN port router (e.g., HG8245, HG8546M, EG8145V5, etc.):
Unlike unicast (one-to-one) upgrades that send a separate data stream to each device, the Multicast protocol sends a single data stream onto the local network. Every Huawei router that is configured to listen on a specific multicast group receives the data packets at the same time. If you’re trying to upgrade a Huawei LAN port router (e
Key Advantages:
The industry-standard tool for this procedure is often labeled the "Huawei ONT Multicast Upgrade Tool." It works by sending a broadcast signal over the local network to locate the Huawei device in a special maintenance mode or standard operational mode, pushing the firmware file via a specific multicast stream. Unlike unicast (one-to-one) upgrades that send a separate