I presume you're referring to this book? http://www.amazon.com/Interconnections-Bridges-Switches-Internetworking-Protocols/dp/0201634481 http://www.amazon.com/

I presume you're referring to this book? http://www.amazon.com/Interconnections-Bridges-Switches-Internetworking-Protocols/dp/0201634481 http://www.amazon.com/Interconnections-Bridges-Switches-Inte... (I'm posting the link here because it took some searching to find the right book and in its current edition).