About 146 results
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Understand Cisco's new IOS Packaging
David Davis explains Cisco's move from a legacy naming system for IOS versions to a new packaging system that simplifies your software selection decisions.
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Cisco administration 101: Know the basics about RIPv2
When it comes to internal routing protocols, Routing Information Protocol version 2 (RIPv2) is one of the most common routing protocols in use today. David Davis reviews some RIPv2...
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Preserve NAT translations when a Cisco router fails
When you have two routers running HSRP, the standby router takes over if the active router goes down. But if this happens when you're using NAT, it severs all connections going thr...
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Ensure Cisco router redundancy with HSRP
What happens if your Internet router goes down and you lose all Internet access? That's why it's important to include redundancy in your network. In this edition of Cisco Routers a...
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Learn the pros and cons of MPLS
The Multiprotocol Label Switching (MPLS) protocol is a relatively new technology, and many organizations are replacing their frame-relay networks with MPLS. Would a move to MPLS be...
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SolutionBase: Use Snort to find out who's trying to break in to your network
Intrusion-detection systems can help you track down hackers and find out what they're doing on your network. Most IDSes are expensive however. In this article, David Davis shows ...
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Understand the order of operations for Cisco IOS
Being familiar with the Cisco IOS order of operations is vital when it comes to understanding how the traffic within a router is flowing and how to control that traffic. This week,...
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SolutionBase: Get control of remote Windows servers and workstations with VNC
You can buy commercial software and solutions to gain remote control over distant workstations and servers, but you don't have to. In this article, David Davis shows how to take ad...
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Find out what you need to know about Cisco's CCSP certification
A lot of IT pros looking to earn industry certifications are focusing more and more on security-related certs. If you're considering pursuing such a cert, David Davis suggests look...
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Evaluate the pros and cons of Cisco's new Express 500 Series switches
Sometimes, a new product can seem to offer everything you need—until you start getting into the nitty-gritty details. While contemplating the new line of Cisco Catalyst Express 500...