1 / 13

Chapter 9: Troubleshooting and Repairing Networking

Chapter 9: Troubleshooting and Repairing Networking. Troubleshooting Network Protocols. 3 types of problems Software: Most often a configuration problem Physical: A failed NIC or cable External problems: Failures of network devices such as routers Use ping.exe and tracert.exe.

frey
Download Presentation

Chapter 9: Troubleshooting and Repairing Networking

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chapter 9: Troubleshooting and Repairing Networking

  2. Troubleshooting Network Protocols • 3 types of problems • Software: Most often a configuration problem • Physical: A failed NIC or cable • External problems: Failures of network devices such as routers • Use ping.exe and tracert.exe

  3. Troubleshooting Network Services at the Client • Troubleshooting DNS • Verify DNS Configuration • Use nslookup.exe • Troubleshooting DHCP • Ipconfig.exe • /release • /renew

  4. Troubleshooting Remote Access • VPN Connections • Remote Desktop • Remote Assistance

  5. Troubleshooting VPN Connections • Check for Internet access • Verify there is no firewall blocking VPN • Verify VPN settings • Server name or address • Security settings • Network settings

  6. Troubleshooting Remote Desktop • Check for firewall • Verify general connectivity to the destination machine • Is the host using NLA?

  7. Troubleshooting Remote Assistance • Invitation files • Invitation Session • Windows Vista only session? • Verify the “Offer Remote Assistance Helpers” group

  8. Troubleshooting Wireless Networking • Verify settings • SSID • Wireless Security • Signal Issues • Too far from access point • Too many walls • Electronic Interference • Application Log

  9. Troubleshooting Network Security • Network Access Protection Issues • DHCP-NAP • Restricted State • Event log errors from NAP Agent Service • Verify Connectivity to NAP Server

  10. Troubleshooting Windows Firewall • Firewall blocking incorrect apps • Use command: netsh firewall show state verbose=enable • Check public vs. private network

  11. Using the Network Connection Diagnostics Tool • Based on the Network Diagnostics Framework • Automatically detects common network problems • Can often repair automatically

  12. Access to Network Resources • Files and Folders • Share permissions • Firewall blocking • Hidden and administrative shares • Access to Printers • Permissions • Drivers • Enable printer sharing

  13. Configuring Network Discovery and Sharing • Network and Sharing Center • Based on public vs. private network profile • Network Discovery allows machines to be seen • LLTD allows building of network map

More Related