About the Author

Martin James Duggan, CCIE No. 7942, is a network architect for AT&T. He designs network solutions for customers globally and specializes in Campus LAN design and network reviews. Martin mentors colleagues through their Cisco qualifications and holds regular internal training classes. Previous to this Martin was a network architect for IBM, performing IP network designs and global network reviews. Martin has been in the industry for 18 years and has focused on Cisco solutions for the last 11 years. Martin is the co-author of the Cisco Press title Routing and Switching Practice Labs, Volume I.

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