Faster Ethernet Does Not Mean More PoE: Plan Data and Power Separately
An access-port speed upgrade and an endpoint-power upgrade are different decisions. Check device modes, per-port support and the switch's shared budget.
Cisco · campus-mgigBlog
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Sep 17, 2026
Why a Cable-Length Suffix Can Change the Product You Are Buying
Preserve complete DAC and AOC part numbers when selecting or substituting cables; length, routed path and endpoint support are configuration data.
Sep 17, 2026Cisco · short-linksBlog
Buying a 48-Port Line Card? Check the System Behind the Ports
Learn why a modular-switch line card must be evaluated with its chassis, supervisor, fabric, power and software dependencies—not as a complete switch.
Sep 17, 2026Cisco · campus-coreBlog
What “800G” Really Describes: Port Rate, Module Capacity and Compatibility
Understand why identical 800G labels can describe different logical links, optical arrangements and cooling requirements before selecting interconnects.
Sep 17, 2026800G · OSFPBlog
Link-Up Is Only the First Test of an AI Network
Separate physical connectivity, transport behavior, collective performance and application acceptance when commissioning a GPU-cluster network.
Sep 17, 2026AI networking · AcceptanceBlog
Six Often-Missed Items Between a Network Quote and a Working Rack
Turn a switch-and-optics quotation into an installable network by checking management access, power, cooling, mounting, software and qualified spares.
Sep 17, 2026BOM · OperationsBlog
NIC, SuperNIC or DPU: Choose the Function, Not the Acronym
Compare network adapters by connectivity, acceleration, host integration and operating responsibility rather than treating product labels as a ranking.
Sep 17, 2026NIC · SuperNICBlog