The Cisco Catalyst 9200 and Catalyst 9300 are both stackable access switches running Cisco IOS XE. The 9300 is the bigger platform, with faster stacking, more memory, StackPower, and UPOE, UPOE+ and SFP fiber ports that the 9200 and 9200L don’t offer. The short version: a 9200L or 9200 covers most closets of PoE+ phones […]
A network switch improves performance by giving every device its own full-duplex link and sending each frame only to the port it’s addressed to. Past that, the gains come from the places traffic piles up: the uplink out of the closet, busy voice and video traffic, and access points faster than 1 Gbps. If you’re […]
A hub repeats everything it receives out of every other port. A switch learns which device is on which port and sends traffic only where it’s addressed. That one difference is why hubs are slow and noisy, and why every wired business network today is built on switches. If you’re buying: buy a switch. You […]
Cisco’s business switches come in two families. Catalyst switches run offices, campuses, schools and warehouses. Nexus switches run data centers. For almost every business buyer the answer is a Catalyst, and the real question is which series and which part number. The short version: Catalyst 1000 or 1200 for small offices, Catalyst 9200 for most […]