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Mark Lewis, CCIE No. 6280, is Technical Director of MJL Network Solutions, a leading provider of internetworking solutions that focuses on helping enterprise and service provider customers to implement leading edge technologies, while maximizing return on investment. Mark specializes in VPN technologies, and has extensive experience designing, deploying, and migrating large-scale IP networks. He is also an MCSE+I, and a certified Cisco Systems instructor.
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