Network Administration

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  • Do I have to disable DHCP on my router to create a DHCP server?

    Learn how to turn off DHCP properly in order to use a DHCP server that is configured on a Windows server, and ensure that your routers are not acting as DHCP servers, from our expert Lindi Horton.  Ask the Expert

  • What preventative maintenance procedures for network equipment exist?

    Learn the best practices for monitoring and maintaining your Cisco IP equipment based on potential fault and performance management best practices, from our expert Lindi Horton.  Ask the Expert

  • Top 10 reasons why computers do not have network access to each other

    Learn 10 useful tips from our expert on how to troubleshoot a network in which one computer will not allow password permissions or access because of several common network environmental issues.  Ask the Expert

  • Troubleshooting -- 'Network Know-How' Chapter 17

    Troubleshooting, Chapter 17 of the book 'Network Know-How,' shows you tools and methods that identify and solve network problems. Consider using the techniques in this chapter as a guide to fixing computer connection problems in all operating system ...  Book Chapter

  • 6to4

    6to4 is a tunneling mechanism used to transfer IPv6 (Internet Protocol version 6) packets over an IPv4 infrastructure, typically the IPv4 Internet. The 6to4 mechanism was created to support coexistence of both versions during the transition to IPv6, ...  Definition

  • How server virtualization improves efficiency in a client-server model

    How can server virtualization benefit a business in a client-server model? Our network administration expert explains how virtualization can optimize productivity in this expert response.  Ask the Expert

  • Understand Windows tracert output to troubleshoot network connectivity

    Troubleshooting network connectivity from the command line interface using the traceroute (tracert) command won't solve problems if you don't know what the output results mean. This tip examines each line of the tracert command output to help you det...  Tip

  • Using nmap for Linux administration and security

    The open source tool nmap is ideal for network troubleshooting, scanning and auditing. The tool can be used to identify devices on the network as well as the services running on them. It can also identify advanced information, such as operating syste...  Tip

  • Why would a computer show drive letters for discs that don't exist?

    If a computer shows drive letters for removable discs that aren't physically connected to it when no hard disk partitioning has been done, could a virus be responsible? Our network administration expert explains.  Ask the Expert

  • Using tracert and TTL to troubleshoot network connectivity problems

    When the network is slow, packet loss could be the culprit. To troubleshoot your connection, learn how the time-to-live (TTL) and tracert ping commands can determine whether packet loss is occurring.  Tip

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