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RVON-1 User Manual 25

Possible Pitfall with Routers, Gateways, and Switches

Anytime computers communicate through routers, gateways, and switches, they may be allowed or denied the

connection. Network interface devices can be configured to block specific outgoing requests, as well as

incoming requests, based on the IP address and/or port. This is one of the security mechanisms of a router.

This also happens when broadcast messages are sent and received.

To view the path an IP address takes to retrieve information you can execute a

tracert

from the Command

Prompt screen.

To run tracert, do the following:

1. From the Start Menu, open a Command Prompt window.

2. At the prompt, type tracert and type the url or IP address you want to trace.

3. Press Enter.

The details of the tracer route are displayed.

Note: You will see the message “request timed out” if the IP address/port in or out is denied to the outgoing

or incoming message.

4. When you are finished, type exit to close the Command Prompt window.

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RTS XCP-24 Wartungshandbuch Seite 103