测试命令

1. 网盘下载

# jdk-8u202-linux-x86.tar.gz
curl -L   https://lz.qaiu.top/cow/dab06dd8cf8b42 > /dev/null

2. 镜像源下载

curl https://mirrors.aliyun.com/centos/7.9.2009/isos/x86_64/CentOS-7-x86_64-DVD-2009.iso -o /dev/null

1. 天翼云1Mbps(华东1-扬州)

网盘下载
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
  0  185M    0  958k    0     0   115k      0  0:27:20  0:00:08  0:27:12  118k
镜像源下载
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0 4494M    0  545k    0     0   134k      0  9:30:04  0:00:04  9:30:00  134k^

2. 天翼云5Mbps (华东1-扬州)

网盘下载
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
  1  185M    1 3125k    0     0   574k      0  0:05:29  0:00:05  0:05:24  563k^
 镜像源下载
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0 4494M    0 5938k    0     0   610k      0  2:05:37  0:00:09  2:05:28  564k

3 天翼云5Mbps-windows (山东-青岛1)

4. 腾讯云6Mbps(北京)

[root@VM-0-3-centos ~]# curl -L  http://lz.qaiu.top/cow/dab06dd8cf8b42 > /dev/null
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   178  100   178    0     0   1327      0 --:--:-- --:--:-- --:--:--  1328
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
100  185M  100  185M    0     0  11.9M      0  0:00:15  0:00:15 --:--:-- 12.1M

5. 阿里云1Mbps(乌兰察布)

#
[root@iZ0jlc8zj9cfcvxa8e6lpcZ ~]# curl https://mirrors.aliyun.com/centos/7.9.2009/isos/x86_64/CentOS-7-x86_64-DVD-2009.iso -o /dev/null
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0 4494M    0 3777k    0     0   314k      0  4:04:10  0:00:12  4:03:58  327k
[root@iZ0jlc8zj9cfcvxa8e6lpcZ ~]# curl -L   https://lz.qaiu.top/cow/dab06dd8cf8b42 > /dev/null
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
 14  185M   14 27.0M    0     0  3569k      0  0:00:53  0:00:07  0:00:46 4475k

总结

1. 天翼华东1-扬州上下行均限速 带宽为实际分配公网带宽, 青岛区下行不限速
2. 腾讯云,阿里云 仅上行(出口)限速 下行不限速