I am currently administering cisco 3850's & 3750's in our environment. We are soon taking over an entity which has around 300 staff along with usual wireless connectivity & voice traffic. They currently all use old 3500 switches.
In wanting to right size the capacity and get proper performance for those new bunch of people/traffic, how do i determine what device or switch will be best to handle layer2 traffic? can existing buffer on my 3750 give an indication & what should i look for?
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The aim is to get some information from either the 3500 or 3750 to purchase new switches at access layer for replacement in the new evironment.
Just wanted to get an idea on what should be looked at when deciding on these new switches for access layer. bandwidth wise the particular user base is not expected to go more than 150Mbps. but then it also then feeds up to the wan connections. so would need something that can't be a bottleneck between access & higher layers.
I have also heard of line speed, has the line speed changed with newer access switches & does it mean it is the full availability of port speed that a user is connected to. eg. user connected on a 1G speed.
3750 going to be the end of life soon, but I look forward to introducing Cat 9300 if you have a budget for Longer run and investment protection.