How to check network problem (ping tracert tcping )

Basic we can check network problem by 3 ways

Check if there is ping loss (loss)

Under Windows platform, using CMD type command shown in pic.:

1. Type IP that need to test
2. If  happen "Request time out" mean lost

tracert (traceroute)

this trace result are using ipip.net tools

Trace route tools download https://cdn.ipip.net/17mon/besttrace.exe

tcping need port connection 

User need to provide trace result

User side => server side ping & trace result

server side => user side ping & trace result

then we can check which routing port having problem.

tcping 

Windows plaform download tcping.exe 

put it to C:\Windows\System32 

tcping -t cn.aliyun.com 

tcping -t cn.aliyun.com 443 <<by port that need testing

https://www.elifulkerson.com/projects/tcping.php