September 2012
Intermediate to advanced
1680 pages
88h 3m
English
book
Windows Server® 2012 Unleashed
by Rand Morimoto, Michael Noel, Guy Yardeni, Omar Droubi, Andrew Abbate, Chris Amaris
Content preview from Windows Server® 2012 Unleashed
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Layer 2 Tunneling Protocol
Layer 2 Tunneling Protocol (L2TP) is a combination of the Point-to-Point Tunneling Protocol (PPTP) and Layer 2 Forwarding (L2F), a technology proposed by Cisco Systems, Inc. L2TP encapsulates PPP frames that are sent over IP, X.25, Frame Relay, and ATM networks. The payloads of encapsulated PPP frames can be encrypted/compressed. When sent over the Internet, L2TP frames are encapsulated as User Datagram Protocol (UDP) messages, as shown in Figure 24.6.
Figure 24.6. Structure of the L2TP packet.
L2TP frames include L2TP connection maintenance messages and tunneled data. L2TP connection maintenance messages include only ...
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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.