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Routers on the internet never forward packets coming from private IP addresses Explain. Can you see any advantage in this?

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closed as off topic by Jason Berg, John Gardeniers, Shane Madden, Iain, MadHatter Mar 31 '11 at 7:16

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this sounds a lot like homework. We don't disallow homework questions, but we prefer you to show your understanding of the question/answer and then we can help you refine it from there. –  Mark Henderson Mar 31 '11 at 4:17
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Posting the question straight off your assignment sheet won't impress anyone. –  John Gardeniers Mar 31 '11 at 4:39

2 Answers 2

Read RFC 1918 - it explains it all.

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Routers on the internet should never forward packets coming from private RFC1918 addresses. Sometimes they do, usually through misconfiguration or cablemodem provider suboptimality.

And to answer the second question, yes, I can see advantage in this.

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