Network Management Strategies for the CIO
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Saving money with used network hardware: Tricky but doable
Buying used network hardware is a good way to save some money and to extend the life of your infrastructure, but it's tricky. It can sour your relationships with your key vendors, and finding good support for the equipment is a challenge. But the rig... Article
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Vyatta offers more robust open source router and security appliance
Vyatta Inc. debuts its third open source router and security networking appliance in less than nine months, edging further into the enterprise space. Article
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What environmental factors cause switch connectivity to fail?
If the power on your network's switch is fine, but the connectivity is not, ask yourself these questions posed by our switching expert to troubleshoot for environmental issues that may be causing this connection failure. Ask the Expert
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port interface card (PIC)
A port interface card (PIC) is a computer circuit board that provides multiple, diverse interfaces for connections to external networks. In effect, a PIC is an enhanced network interface card (NIC)... (Continued) Definition
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Why do Linksys WMP300N wireless cards have three antenna connectors?
Before you make a larger antenna for your wireless network card, know how the Linksys WMP300N connects to its antenna, and understand why it has three connectors. Ask the Expert
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thermoelectric cooling
Thermoelectric cooling is a way to remove thermal energy from a medium, device or component by applying a voltage of constant polarity to a junction between dissimilar electrical conductors or semiconductors...(continued) Definition
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Why are patch panels required for cabling networks?
When cabling networks, you may wonder why it's a requirement to have patch panels and why they aren't connected to switches. This expert response explains why and how they're used in a rack with multiple switches and ports. Ask the Expert
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How to configure Cisco's 3750 Layer 3 switch for fallback IOS booting
Our switching expert explains how to configure your Cisco 3750 Layer 3 (L3) switch to automatically boot your system from the IOS kept on the TFTP server, in this response on fallback booting. Ask the Expert
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On a full-duplex T1 circuit, what's the bandwidth speed in both directions?
Find out if a full-duplex T1 circuit splits its bandwidth between the TX and RX directions. Ask the Expert
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Simulators for practicing Cisco's CCNP routing and switching exam
To practice for the CCNP routing and switching exam our Cisco expert, David Minutella, recommends this simulator. Ask the Expert