Published by SearchNetworking.com
IN THIS ISSUE
-- MPLS cert, Lesson 3: Distribution of labels
-- VPN IP assignment
-- WLAN security: Beyond the VPN
-- FastFacts: MIMO
-- Network documentation
-- Troubleshooting Virtual Private Networks, Chapter 6
-- The Missing Link: Today's trivia question ADVICE
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MPLS CERT, LESSON 3: DISTRIBUTION OF LABELS | Robbie Harrell
Distribution of labels is an essential part of how an MPLS VPN works.
There are several key concepts related to label distribution that are required knowledge for the CCIP exam. This tip covers these key concepts and illuminates the often confusing differences between upstream and downstream label distribution.
MORE INFO:
MPLS cert, Lesson 1
MPLS cert, Lesson 2
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VPN IP ASSIGNMENT | Tom Lancaster
Many organizations use VPN concentrators to allow remote clients to access the office network from their house or on the road. This configuration typically requires the remote PC to establish an encrypted tunnel, and the PC's side of the encrypted tunnel is assigned its own IP address. The tunnel address is usually on the office's subnet, but there are many ways to assign the address. Find out about the most common methods.
WLAN SECURITY: BEYOND THE VPN | Atif Azim
Wired networks have used virtual private networks (VPNs) to secure transactions across this edge, but this approach has its limitations.
Read about evaluating the fit of VPNs for your WLAN security.
ALSO ON SEARCHNETWORKING.COM
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FASTFACTS: MIMO
Our latest installment of Networking FastFacts gives you the rundown on MIMO technology. Not to be confused with MISO or SIMO, multiple input, multiple output is a smart antenna technology in which multiple antennas are used at both the source and the destination of a wireless communication. Take a few minutes to get it all straight.
NETWORK DOCUMENTATION
Documenting your network doesn't exactly sound like the most exciting way to spend your time, does it? But in addition to serving as a network blueprint, it can also help you remember what you did to your network, and just as importantly, why. Check out our helpful resources and learn more about network documentation.
TROUBLESHOOTING VIRTUAL PRIVATE NETWORKS, CHAPTER 6 MPLS VPNs are relatively complex, but by adopting an end-to-end, step-by-step approach, troubleshooting can be relatively fast and efficient. Chapter 6 of 'Troubleshooting Virtual Private Networks' by Mark Lewis focuses on the process of troubleshooting MPLS VPNs and brakes troubleshooting down into two basic elements: troubleshooting route advertisement between the customer sites and troubleshooting the LSP across the provider backbone. (Copyright 2005, Cisco Systems, Inc. Reproduced by permission of Pearson Education, Inc., 800 East 96th Street, Indianapolis, IN 46240. Written permission from Pearson Education, Inc. is required for all other uses.) PDF
http://searchnetworking.techtarget.com/searchNetworking/downloads/CH06excerpt.pdf?track=NL-80&ad=514454USCA
THE MISSING LINK
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TODAY'S TRIVIA QUESTION | Whatis.com
This is the term for a private network, essentially part of a company's intranet, that is extended outside the organization to other users. What is it?
Answer
