My Balance 20 (Serial 1824-74D7-7E99 / HW Rev 1 / Firmware 6.1.0 build 2517) will not process more than 36Mbps despite having one of my WAN connections with > 100 Mbps bandwidth. (If I connect directly to my ISP router, I can consistently get 90+ Mbps.)
I have read through lots of posts, the manual, and experimented with various settings. I have manually forced WAN and LAN connections speeds (with and without advertising). WAN speed limits are correct. Traffic is routing through my preferred WAN connection. (My second WAN connection is a slow DSL connection.) I do not see anything obviously wrong in the configuration. I’ve experimented with MTU settings (set to AUTO currently), and just about anything else that seems reasonable. I typically see little or no difference in the tests I’ve conducted.
What concerns me is a post on your site that stated early versions of the Balance 20 hardware limited connection speeds to around 30 Mbps.
Can you confirm this with my 20? I thought this unit was listed as supporting 100Mbps.