Hey folks,
At the office we have a pair of cisco SG350XG-48T switches, which according to the literature are multigigabit capable. 10g works fine with our one device with a 10gbe nic and another downstream branch switch.
The problem:
Our office is full of imacs which are 1gbe. we do a lot of file transfers and thus want to leverage our fast network. since external devices are the only current option, i picked up a 2.5gbe and a 5gbe usb 3 dongles to test out. No matter what i have tried, i can't get them to breach 1gbe.
What i've tried:
Multiple imacs/multiple ports/multiple cables/windows laptop
setting speed manually to 2.5/5 in client machine, with the 5gb adapter it will show as no cable connected (aquantia/marvell driver), and the 2.5 will connect but still only show 1gbe connection(realtek). I tried adjusting numerous other settings in the network device manager, nothing affected.
Updated drivers, no difference.
On the switch side, tried setting to 10gb as well as auto negotiate, no success. Tried digging through online docs and all the other settings in the switch to see if there was something else to adjust, but i'm here, so you know how that went.
Hope someone here can point to that one thing i haven't tried or some inherent reason why it won't work. Thanks!
Edit: all systems have usb 3.0/usb 3.1g1/usb 3.2 g1 (all same nonsense)
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