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Top 10 Cisco IOS Configuration Mistakes

Learning Cisco IOS? Check out our list of the top Cisco IOS configuration mistakes and avoid these common errors.

Feb 18, 2013|Sean Wilkins

SQL Server

How to Connect CentOS Web Server to a SQL Server

Learn how to set up an internal CentOS web server to talk to a SQL server in this handy how-to article.

Oct 15, 2012|Peter Washburn


Manage Windows Features with PowerShell: Add Feature or Role

In Part 2 of this two-part series, we show you how to add a feature or role to a Windows Server 2008 R2 system using Windows PowerShell and the ServerManager module.

May 31, 2012|Jeff Hicks


Troubleshooting VLAN and Switch Problems

In Part 1 of this two-part video post, seasoned Cisco professional Joe Rinehart takes you through step-by-step how to troubleshoot VLAN and switch problems. He discusses common general switch issues, VLAN related issues, and spanning-tree issues, as well as VLAN/switch troubleshooting techniques.

Apr 6, 2012|Joe Rinehart


Troubleshooting VMware View 5: Failure Points

In this first of two video posts, learn about the most common failure points in VMware View 5 and how to troubleshoot them.

Feb 17, 2012|Petri IT Knowledgebase


How To Configure a Cisco Router to Export NetFlow Data

A walk-through with Josh Stevens, Head Geek at SolarWinds, on configuring a Cisco router to export NetFlow data. In this video Josh covers the manual setup since there could be situations when NetFlow Configurator might not work for you, for instance, if you don't have SNMP access to your routers. Full transcript provided.

Nov 14, 2011|Petri IT Knowledgebase


Wireless LAN Maintenance and Troubleshooting Part 2

In this second part of his two-part series on wireless network maintenance and troubleshooting, Joe Rinehart goes through some useful tools that can help diagnosis and fix issues that may arise on your wireless network.

Nov 2, 2011|Joe Rinehart


Wireless LAN Maintenance and Troubleshooting Part 1

In this first part of his two part series, Joe Rinehart goes over basic system maintenance of a wireless LAN system and its components including the Wireless LAN Controller, Access Point, and the Wireless Control System. From there, Joe explains a proven troubleshooting model that efficiently helps diagnose and ultimately solve issues on the LAN.

Oct 25, 2011|Joe Rinehart


What is esxtop?

Esxtop is VMware's command-line tool to analyze performance. David Davis provides an overview and configuration options of this valuable tool for solving vSphere performance issues. Also included are suggestions on top resources available to further your understanding of esxtop.

May 13, 2011|David Davis


Congestion Management Configuration

Expanding upon VoIP Quality of Service (QoS) basics, Sean Wilkins discusses congestion management techniques and queue configuration. Includes popular queueing mechanisms like FIFO (First-In First-Out), WFQ (Weighted Fair Queueing), Priority and Custom Queueing to reduce the effect that network congestion has on the flow of traffic across the network.

Mar 23, 2011|Sean Wilkins

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