Why destination net unreachable

[Guest]

Hello,
i have broadband up to 2mpbs but today it showing in command prompt destination net unreachable
and its request time is 64 TTL

 

[gtvr]

You're not giving us enough information.
What are the devices on your network (modem/router/PC)
What is the IP addressing of the devices
can you ping the router, or modem?