Backhaul routing line test information is often posted in VPS simple test articles. It is completed by a one-click test script provided by a network expert. If you want to test it on your own VPS host, you can try it. 
 Github address: https://github.com/nanqinlang-script/testrace
Usage
wget https://raw.githubusercontent.com/nanqinlang-script/testrace/master/testrace.sh
 bash testrace.sh
 After running, the option will appear to select a node test, four-network routing quick test or manual input IP test. 
 
 After entering the number selection, enter the corresponding lower-level menu. For example, if we select a node for testing, we will select different broadband, different regions, etc. again. 
 [Info] Select the function you want to use: 
 1. Select a node for testing 
 2. Quick test of four-network routing 
 3. Manually enter the IP for testing 
 Enter the number to select :1
 [Info] Select the target network to be measured: 
 1. China Telecom 
 2. China Unicom 
 3. China Mobile 
 4. Education Network 
 Enter the number to select :1
 1. Shanghai Telecom (E-Cloud) 
 2. Xiamen Telecom CN2 
 3. Hubei Xiangyang Telecom 
 4. Jiangxi Nanchang Telecom 
 5. Guangdong Shenzhen Telecom 
 6. Guangzhou Telecom (Tianyi Cloud) 
 Enter the number to select: 
 You can make a selection based on the actual situation and your own needs, and conduct corresponding tests.
