Network Management Strategies for the CIO
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Words to Go: VoIP
This handy, printable glossary will assist you with terminology related specifically to voice over IP. Article
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Troubleshooting switching: Overcome function overlap confusion
Switches can perform many very distinct functions, most of which have nothing to do with the academic definition of "switching." In order to troubleshoot your environment with a minimum of effort, you need to understand these functions -- how they wo... Tip
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Router Expert: DHCP services for WLANs
Learn how to configure Dynamic Host Configuration Protocol (DHCP) services as part of a WLAN implementation. Tip
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Why can't our wireless NIC get an IP address?
Wireless association followed by DHCP failure is not uncommon. Learn why your wireless NIC is unable to get an IP address from an access point (AP) that it can see and detect a signal from, in this Ask the Expert answer. Ask the Expert
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Troubleshooting routing: Strategies for fast problem solving
Network troubleshooting can be challenging for a number of reasons, not the least of which is the lack of a standard methodology. In this tip, Tom Lancaster looks at some of the best and fastest ways to find out where your problem lies. Tip
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The QoS scam: Paying for reduced bandwidth
On an unhealthy or broken network, quality of service (QoS) is a rudder on a sinking boat -- it fixes nothing and cannot resolve degradation issues. On a healthy, well-provisioned network, QoS is not needed -- all applications receive sufficient reso... Tip
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Can the Cisco Firewall PIX 506e be configured to direct outside traffic from port 3879 to a specific
Can the Cisco Firewall PIX 506e be configured to direct outside traffic from port 3879 to a specific IP address on our intranet? Ask the Expert
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Is there any difference in regard to QoS between IPv4 and IPv6?
Is there any difference in regard to QoS between IPv4 and IPv6? Ask the Expert
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Crash Course: Protocol analysis
Analyzing your network is essential to keep it running smoothly and safely. This collection of articles, many contributed by our friend Laura Chappell, shows you the ins and outs. Crash Course
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Understanding the NNTP protocol
Everyone knows about peer-to-peer programs such as Napster, Kazaa, amongst others. How many people though know about binary newsgroups? Probably not many. These binary newsgroups are based on the NNTP protocol, which is the focus of this tip. Tip