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Ahmad 分享了如何通过 Mikrotik CRS804-4DDQ 1.6Tbps 交换机，将 4 条 400G QSFP-DD 拆分为 2x200G QSFP56，连接 8 台配备 ConnectX-7 的 DGX Spark，实现 1.6Tbps 全速互联的集群方案。
The article reviews the MikroTik CRS804-4DDQ-HRM, a cost-effective desktop 400GbE switch with four QSFP56-DD ports and 1.6Tbps switching capacity, emphasizing its value for high-performance networking environments.
A practical guide to selecting MikroTik switches (CRS504, CRS804, CRS812) for building DGX Spark clusters, including pricing and real user examples of 8x DGX Spark setups.
A blog post by Georg Lukas detailing how to set up an authoritative dnsmasq container on a MikroTik RouterOS device for dual use as authoritative DNS and forwarding cache, with considerations for flash storage and container configuration.
A practical guide to setting up a MikroTik router for a home lab, covering how to identify ISP connection types (IPoE vs PPPoE) and WAN IPv4 addresses (public vs CGNAT/DS-Lite) to configure the router correctly.
A blog post detailing the author's experience using LLMs to configure MikroTik networking equipment, including tips and best practices.
User shares their DIY solution of buying the RM500U 4G module and implementing auto-switching with MikroTik, contrasting with the mainstream choice of the DJI 4G module.