Huawei's StarryLink optical modules for data center networks offer seamless interconnection from GE to 800GE across all scenarios, delivering customers an ultra-reliable, long-distance, and highly secure data center network interconnection experience. This article summarizes several solutions for using optical modules with switches and common problems encountered during usage, along with specific solutions. Huawei S5720-32P-EI-AC Switch II. How to Configure Optical Ports on Huawei S5720-32P-EI-AC Switch? Problem: All optical ports cannot be. Switch stacking is the process of combining multiple switches into a logical device that participates in data forwarding as a whole, in order to expand the number of ports, simplify networking, increase reliability, and extend the system's processing power and bandwidth. Non-certified optical or copper modules cannot ensure transmission reliability and may affect service stability. Huawei is not liable for any problem caused by the use of non-certified optical or copper. HUAWEI TECHNOLOGIES CO. Copyright © Huawei Technologies Co. All other trademarks and trade names mentioned in this document are the property of their respective holders. The purchased products, services and features are stipulated by the contract made between. Huawei S Series Switches Stack Guide—Version and Model Requirements 22 Oct, 2025. Posted by:XPONSHOP As we know, switch stacking deployment has some special requirement or limitation, this blog will share the software version and model requirement in detail on Huawei S Series Switches stack. With the surge in AI development, AI training clusters have evolved to a scale of 10,000+ GPUs, resulting in a significant increase in the number of optical modules required. For instance, the 1000-GPU cluster needed for training GPT-3 requires interconnections using 2500 200G or 4000 400G optical.
