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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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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
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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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2 Answers

up vote 6 down vote

Read RFC 1918 - it explains it all.

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up vote 2 down vote

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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