This article will discuss critical aspects of core switches, including their essential functions, distinctions from other switches within the same category, and criteria to remember when purchasing one for your institution. My company (one building, ~100 employees) currently has a very old stack of Cisco blade switches that act as our L3 core. These are no longer supported, due to their age. About a month ago, our entire network was taken down. Come to find out, an old dev server was turned on accidentally (we figured. We have a pair of Dell N3224P-ON switches and today's morning my colleague gave me a task and instructions to remove some unused VLANs. When I saved the configuration, everything stopped working and now we don't know what to do. In medium/large. A core switch is a high-capacity, high-performance Layer 3 switch positioned at the physical backbone of an enterprise network. Simply put, it's the kingpin that keeps your network humming.
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