I've recently joined small-ish company and now have the pleasure to also be partly responsible for our network, which is a pure Layer 2 network. We have a few Servers running with the usual services (smb, email, voip) but also provide 2 even smaller subcompanies with network intrastructure too (some shared services). The current network consists of mostly Netgear switches, which work reasonably well in this simple configuration, besides the occasional needed resets every few weeks/months.
I've been toying with the idea of improving our infrastructure to improve network availability and add some much needed separation. Am i correct in the assumption, that it would be best to add separate vlans for the services and look for a layer 2+/3 switch as our main switch for intra-vlan routing?
If we have a shared voice vlan, does this mean i have to hand over vlan trunk to their switch. We're also responsible for those, but it has happened in the past that people fiddled with them, so i'd like to make sure our internal network can no longer be easily influenced by any changes in the network topology at their end. Thinking about rogue dhcp servers, loop detection, etc. Any recommendations?
We have a Netgear GS724Tv4 which appears to support vlan routing as a L3 Feature. I know we should probably be looking for a more enterprise grade solution, but does anyone have experience with netgear VLAN routing, any known problems with those (i vagely remember reading about performance issues)?
As an alternative, i'm also considering the HPE 1950-12XGT-4SFP+ as a main switch , which peaked my interest because of it's 10G RJ45 capabilities for future upgrades (bandwidth increase to file server and access switches), does anyone have one of those running in a similar configuration?
I also remember reading that 10Gbit can be run over Cat 5e/6 for shorter runs, any oppinions or experiences in that department?
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