I'm curious as to if I could use a Cisco Catalyst WS-C2924 in a datacenter environment without any issues? Anything I should know about this model? Just looking for a cost effective and used switch to start out with. Switch Configuration and Graphs? Thanks.
1900's use CatOS instead of IOS, and are a definite no-no. You can't get any useful realtime stats on them, and no PPS stats period, so if one of your customers is involved in a high PPS DoS attack, you'll have a much harder time finding who it is.
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The 2Mb flash cannot be upgraded to 4Mb. So bid carefully when buying these on the used market. Although I highly recommend something a bit newer like a 2950 which offers alot more features like rate limiting..
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I should clarify. We're running the 2950, not 2924. Our older 2950s have two Fast-E fiber uplinks, while the newer 2950 'T' models have two copper Gig-E uplinks. The 24 device ports are 10/100 on either model. Obviously the T model is what you need if aggregrate traffic exceeds (or is expected to exceed) 100 Mbps.
I just feel like its a waste of a switch with only 1/4 a rack and all those open ports ....
You won't feel that way long-term. Never skimp on network gear.
I've managed servers for customers who used cheap switches (like a cheap $40 5-port) and can say from direct first-hand experience they are not anywhere NEAR reliable enough in a hosting environment.
They'll work at home for years with zero problems. As I type this response, behind my desk on the floor is a Netgear 5 port switch covered with dust, connecting my 3 workstations and a printer to the rest of the LAN. It's been flawless since I bought it circa 1999 or 2000. I can't even tell you the last time I power-cycled it, it's been that long. Was probably when I had to unplug everything when I replaced my UPS last year.
But this same model I've seen crash & burn in a light traffic hosting situation. Repeatedly. Had a customer with 2 web servers, a DB server, and mail server, connected to this same model 5-port Netgear. It was so unreliable, I had to put it on a PDU so he could remotely power-cycle the switch every time it locked up... which happened a few times per month, and knocked his website offline every time. (that's how he knew when the switch was down)
Initially we thought it was a defective switch, so he bought a new one and swapped it out. Same problem. It just couldn't handle the traffic, even though he was only using about 20 Mbps of bandwidth from us. The website was popular so there were a lot of sessions (hits) even though the total thoughput (Mbps) was low. The site was mostly text. He finally bought a Cisco 2950 from eBay and his problems vanished.