[宽带症候群] 我上海电信上传好像 QOS 了

目前表现为链接今晚服务器 iperf3 过去没速度，起步，第一秒 50Mbps ，后面几秒都是 0 ，很明显是被限制了，目前就不知道是我一个还是都这样。

我现在是 2000M 的带宽。

[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec  6.25 MBytes  52.2 Mbits/sec
[  5]   1.00-2.01   sec  0.00 Bytes  0.00 bits/sec
[  5]   2.01-3.01   sec  0.00 Bytes  0.00 bits/sec
[  5]   3.01-4.00   sec  0.00 Bytes  0.00 bits/sec
[  5]   4.00-5.00   sec  0.00 Bytes  0.00 bits/sec
[  5]   5.00-6.00   sec   256 KBytes  2.09 Mbits/sec
[  5]   6.00-7.00   sec   512 KBytes  4.20 Mbits/sec
[  5]   7.00-8.00   sec   640 KBytes  5.24 Mbits/sec
[  5]   8.00-9.01   sec  1.00 MBytes  8.37 Mbits/sec
[  5]   9.01-10.01  sec  1.12 MBytes  9.44 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-10.01  sec  9.75 MBytes  8.17 Mbits/sec                  sender
[  5]   0.00-10.08  sec  9.70 MBytes  8.08 Mbits/sec                  receiver