Tag Archives: networking

CLI vs GUI – Basic CLI commands

The CLI or Command Line Interface, is a text-based interface used to program devices such as switches and other network equipment.  So it’s 2019.  Why are we still using a CLI? The reason? It allows a granular ability to program devices … Continue reading

Rate this:

Posted in Education, Hardware, Information Technology, network, Networking, Technology | Tagged , , , , | Leave a comment

2019 Middle Tennessee Cyber Conference Agenda

The TN Department of Safety and Homeland Security along with TCAT Shelbyville and the Cyber Conference committee are working on the 2019 Middle TN Cyber Conference agenda.  Look for speakers such as Jayson E. Street (http://jaysonestreet.com/), Brent White of We … Continue reading

Rate this:

Posted in Computer Security, Computers, Education, higher ed, higher education, Information Technology, internet security;, Technology | Tagged , , , , , , , , , , , | Leave a comment

Microsoft Research TCP Analyzer – Check Out Your Network

Microsoft Research TCP Analyzer (Link) is a network analyzer that allows you to analyze network traces of Transmission Control Protocol (TCP) connections. Given a Microsoft Network Monitor trace, the analyzer provides various performance statistics and visualizations for the captured TCP … Continue reading

Rate this:

Posted in Computers | Tagged , , , , , , , , , , | 1 Comment

Need to optimize your network? Look at adjusting LocalPriority, HostPriority, DNSPriority or NetBTPriority. 

Need to optimize your network? Look at adjusting LocalPriority, HostPriority, DNSPriority or NetBTPriority.  (Host/DNS resolution) The tweak works by increasing the priority of four processes. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\ServiceProvider\ LocalPriority = 4 (DWORD, the default is 499, change to 4) HostPriority = 5 (DWORD, … Continue reading

Rate this:

Posted in computer troubleshooting, Microsoft, Microsoft Office, Microsoft Windows, Microsoft Windows 10, network, Networking, Technology, Windows, Windows 10, Windows 10 Quick Tips | Tagged , , | 1 Comment

Diagnosing your network and measuring speed.

Diagnosing your network? Here’s a GUI program to ping and get averages and speeds over a period of time – nine years ago we featured Performance Pinging by Carsten Schmidt and cannot find a working website from the author to … Continue reading

Rate this:

Posted in Computer hardware, computer troubleshooting, Computers, Free Software, freeware, Home Networking, Information Technology, Microsoft, Microsoft Windows, Microsoft Windows 10, network, Networking, Technology, troubleshooting, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows Server | Tagged , , , , , | Leave a comment

IO Graphs in Wireshark-TCP Spurious Retransmission events

TCP Spurious Retransmissions may be seen from time to time when using Wireshark.  How do you see them?  Capture some data with Wireshark on your workstation or server.  Click on Statistics, IO Graphs and click throughout the graph on the … Continue reading

Rate this:

Posted in computer troubleshooting, Home Networking, Information Technology, network, Networking, Technology, troubleshooting, Wireless | Tagged , , | Leave a comment

Understanding DNS

Here’s a couple of articles over the basics of DNS services Quick review of flushdns, registerdns, and DNS queries Active Directory Internal Naming and DNS Strategy Understanding DNS How to flush the DNS cache on Mac, Linux or Windows Lost … Continue reading

Rate this:

Posted in computer troubleshooting, Computers, Home Networking, Information Technology, Microsoft, Microsoft Windows, Microsoft Windows 10, Technology, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Windows Server | Tagged , , , | Leave a comment

Speed up your network by disabling the HomeGroup

While we’ve discussed speeding up SQL connections by disabling LLMNR, there’s another way to speed up your network. If you are not using the HomeGroup feature, a quick way to speed up your network is to disable the services for … Continue reading

Rate this:

Posted in Computer hardware, computer troubleshooting, Computers, help desk, Home Networking, Information Technology, Microsoft, Microsoft Windows, Microsoft Windows 10, network, Networking, Technology, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Wireless | Tagged , , | Leave a comment

World Route by Softperfect

Here’s a visual aid to tracert currently free at Softperfect.  You can use this to see where internet delays are happening with a website.  This tool comes in portable and with an installer. https://www.softperfect.com/products/worldroute/

Rate this:

Posted in computer troubleshooting, Free Software, freeware, Information Technology, Microsoft Windows, Microsoft Windows 10, network, Networking, Technology, Windows 10, Windows 7, Windows 8, Windows 8.1 | Tagged , , , | 1 Comment

Change network adapter priorities in Windows 10 – PowerShell

First thing – disable network adapters you don’t use If you use Ethernet, disable everything but flow control Disable LLMNR Adjust NTLM Perform test with Totusoft’s network speed test Next, avoid latency of your network card by adjusting the network … Continue reading

Rate this:

Posted in Computer hardware, computer troubleshooting, Computers, help desk, Home Networking, Information Technology, Microsoft, Microsoft Windows, Microsoft Windows 10, network, Networking, Technology, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Windows Server, Wireless | Tagged , , , , , , , , | Leave a comment

Link aggregation – Use Multiple NIC Cards

There is truly an advantage to adding multiple NIC cards to a computer.   It won’t speed up a single internet connection but it can help with loss of signal, detecting access points, transferring information to and  from computers. When adding … Continue reading

Rate this:

Posted in Computers, Technology | Tagged , , , , , , | Leave a comment

Internet or network application slow? You may need to temporarily disable Nagle’s Algorithm

With the Nagle-Algorithm, Windows takes small packets and packages them in to more manageable and efficient sizes.   If you have poor latency, you might try to disable the Nagle-Algorithm.  Nagle’s algorithm helps to control congestion when small packets are … Continue reading

Rate this:

Posted in Computer Software, computer troubleshooting, help desk, Information Technology, Microsoft Windows, Microsoft Windows 10, Technology, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1 | Tagged , , , , , | Leave a comment

NetSpot Review – Wi-Fi survey app for Windows

In this three part series we review NetSpot a Wi-Fi survey app for Mac and Windows. In this part, we look at the Microsoft Windows version of NetSpot.  NetSpot performs accurate Wi-Fi surveys that allows you to use a map … Continue reading

Rate this:

Posted in computer troubleshooting, Computers, Free Software, help desk, Industry, Information Technology, Technology, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Wireless | Tagged , , , , , , | Leave a comment

Realtek PCIe GBE Family Controller performance issues

UPDATE-2016 driver now available! (Driver number will be different than what is in this article! (Direct Link to New 12/2016 Driver) If you have the Realteck PCIe GBE Family Controller adapter and are experiencing performance issues on your network, download … Continue reading

Rate this:

Posted in computer troubleshooting, Computers, help desk, higher education, Home Networking, Information Technology, Microsoft Windows 10, network, Networking, Technology, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Windows Server | Tagged , , , , | Leave a comment

How to flush the DNS cache on Mac, Linux or Windows

If websites are not appearing correctly, connections time out or if you cannot find a computer on a network, you may need to flush the DNS cache.  Here’s how to do it- Microsoft Windows – Go to a command prompt … Continue reading

Rate this:

Posted in Apple, Computers, Education, Home Networking, Information Technology, Linux, network, Networking, Technology, Ubuntu, Windows | Tagged , , , , , | Leave a comment

Don’t daisy chain switches

When you are networking computers, wireless access points, printers and other nodes in multiple rooms, try to avoid daisy-chaining switches or using small 4-8 port switches when you are in a hurry.  Replace any hubs on your network as soon … Continue reading

Rate this:

Posted in Technology | Tagged , , , | 1 Comment

Manage your router with Router Commander

Note:  When logging into router commander you must enabled telnet on the router and although you login in as administrator or admin in the webgui, you may need to log in as root as the user.  (This is the case … Continue reading

Rate this:

Posted in Computers, freeware, Information Technology, network, Software, Wireless | Tagged , , , , , , , , , , , , | 3 Comments

Enable SSH on your Router

SSH is a secure way to program your router remotely.  SSH provides the encryption you need to avoid MtM (Man in the Middle Attacks). In many routers, you’ll find SSH under the Administration menu.   This can be enabled to … Continue reading

Rate this:

Posted in Networking, Technology | Tagged , , , | Leave a comment

Use PortQry to find open ports on a router or computer

PortQry is a download from Microsoft that allows you to see what ports on a remote device are open. While you can use Zenmap, PortQry is a program designed by Microsoft to find and troubleshoot connections.  You can download PortQry … Continue reading

Rate this:

Posted in Microsoft Windows, Microsoft Windows 10, Technology, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Windows Security, Windows Server | Tagged , , | Leave a comment

Troubleshoot your network using netsh scenarios command

Often you can work out networking problems simply by checking out everything as far as hardware and doing simple ipconfig commands.  If you are an advanced user, you can use the netsh trace show scenarios command at the command prompt (run the … Continue reading

Rate this:

Posted in Computers | Tagged , , , , | Leave a comment