AX11000 WAN speed cannot achieve 2.5Gb/s
I have Google Fiber 2G internet service with their router GFRG300. Their router has one 10G LAN port. I can achieve 2.5G (actual speed: 1.9Gb/s) using a 2.5G Realtek NIC. However, I cannot achieve 2.5G with my AX11000:
(a) the speed test in the AX11000 management webpage (achieved 1.1Gb/s);
(b) Using 3 stream AX wifi client (achieved 0.7Gb/s);
(c) using link aggregation client (achieved 0.8 Gb/s).
Anyone got an suggestion? Thanks!
Update: Please find the screenshots below for better illustration.
1. Connecting a 2.5G Realtek NIC directly to Google Fiber router, I get 1.6Gb/s ~ 2Gb/s:
2. Unplug the cable from my 2.5g NIC, and plug it to my AX11000's WAN port. Connect the same PC to AX11000 using link aggregation (I got 2Gb/s local linking speed, see below), I got 0.6Gb/s ~ 0.9 Gb/s. The AX11000's speed test achieved 1.1Gb/s, which is weird.