RUN THE FOLLOWING IN WSL and in Windows
test dns resolution for default
nslookup www.google.com
test dns resolution using public dns
nslookup www.google.com 8.8.8.8
test dns resolution using vpn dns
nslookup www.google.com 172.16.0.81
test tcp to public ip
ping 8.8.8.8
test tcp to private ip
ping 172.16.0.81
verify route to public
# windows
tracert 8.8.8.8
# linux
traceroute 8.8.8.8
verify route to private
# windows
tracert 172.16.0.81
# linux
traceroute 172.16.0.81
Linux specific commands
ip route show
ip addr show
Windows specific commands
ipconfig /all