http://www.3com.com/nsc/501302.html

[Bradley Dunn <bradley () dunn org>]

I stumbled across the above URL. I think it might be a valuable resource
to add to http://www.ra.net/isp.html.

It covers IP addressing, subnetting (including VLSM), why CIDR is good,
etc. It even has some exercises at the end so you can test your knowledge.
:)

-BD

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