Network Management Strategies for the CIO
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Using ping command for troubleshooting Windows network connectivity
Using ping command for troubleshooting networks will narrow down the causes of your Windows PC connectivity problems from the command line (CL) prompt window. The introduction to this TCP/IP diagnostic utility will give you an understanding and synta... Tip
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Why error reporting ICMP messages include IP headers and datagram data
Learn why Internet Control Message Protocol (ICMP) error reports include IP headers and the first 8 bytes of datagram data in this response from our network administration expert. Ask the Expert
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What is a GRE tunnel and how does it differ from an IPsec tunnel?
Learn the difference between a GRE tunnel and IPsec tunnel in this Ask the Expert response. Ask the Expert
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What is the difference between packet fragmentation in IPv4 and IPv6?
In this Q&A, our IPv6 expert explains how packet fragmentation differs in IPv6 compared to IPv4. Ask the Expert
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How to avoid the WPA wireless security standard attack
The latest crack in wireless Internet security, specifically, the Wi-Fi Protected Access (WPA) security standard, can threaten the safety of enterprise networks and company information or data. This tip shows the best way to avoid being victimized fr... Tip
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Know the risks of running industrial control systems on IP networks
More IT organizations are starting to run industrial Supervisory Control and Data Acquisition (SCADA) systems over the corporate network to save money and to boost bandwidth. However, these industrial control networks are extremely sensitive. Proper ... Article
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How to calculate subnet masks in IPv6
Find out from our IPv6 (Internet Protocol Version 6) expert whether or not calculating a subnet mask in IPv6 is different than calculating a subnet mask in IPv4. Ask the Expert
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Calculating subnets for IP addresses in IPv6
Understand how subnetting in IPv6 differs from that of IPv4 and what you need to do in order to calculate the subnet of an IP address in IP version 6. Ask the Expert
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IP addressing in IPv6
Understand the differences between network IP addressing in IPv6 and IPv4. Our expert, Silvia Hagen, explains the advantages and disadvantages of calculating IP addresses for each version. Ask the Expert
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More than 1 million DNS servers still vulnerable to Kaminsky
More than 1.3 million DNS servers are still exploitable by the Kaminsky vulnerability, according to new research from vendors Infoblox and DNSstuff. Article