April 2011
Intermediate to advanced
504 pages
14h 25m
English
book
Enterprise Network Testing: Testing Throughout the Network Lifecycle to Maximize Availability and Performance
by Andy Sholomon, Tom Kunath
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Chapter 13. Site-to-Site IPsec Virtual Private Networking: DMVPN and GET VPN Test Plans
Site-to-site Virtual Private Networks (VPN) provide a flexible and economical method to extend network resources to branch offices, home offices, and business partner sites. In a traditional solution, each branch (“spoke”) and corporate (“hub”) site would be connected to the Internet with a dedicated circuit. This circuit could be an Ethernet, T-carrier, or a less expensive business-level broadband connection such as DSL or cable. A tunneling protocol such as GRE, L2TP, or IPsec would then be used to create a “virtual circuit” between each spoke and the hub location, over which data would be sent in either clear (GRE) or encrypted (L2TP or IPsec) format.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.