I upgraded server to 3.4.1 recently and uploaded your new templates.
I have the problem with the template for D-link switches Template Net D-Link DES_DGS Switch SNMPv2. One of my switches is DGS-3420-28PC.
The problem is in getting alert on triggers concerning high usage. For example, I got alert "Interface 9(): High bandwidth usage >90%" at 11:19 with text "PROBLEM ol-ms-nd-sw0005 | | Interface 9(): High bandwidth usage >90% -> 76.35 Kbps" It's custom action.
I saw the graph Interface 9() Network traffic, and payload is the same as it was in alert. I saw the interface speed and it was 100Mbit/s. Why did I get such an alert? It wasn't true, and traffic was less 1%.