Your company's main office is in Paris with four branch offices in London, Amsterdam, Zurich, and Brussels. The network is configured as shown in the image.
Internet access is provided by a NAT server located in the Amsterdam office. The IP address of the NAT server is 192.168.6.180.
Users in the Paris office report that they cannot connect to the Internet. Users in the Brussels office report that they can successfully connect to the Internet. After running a command prompt on a computer in the Paris office, what should you do to find out the point of communication failure?