IT Trenches:

Networking


July 22, 2009  2:55 PM

Using net shell to backup/restore DHCP



Posted by: Troy Tate
bach files, backup, command line, command line dhcp, dhcp, dhcp management, network shell, restore, server management

Recently a fellow ITKE blogger posted Windows server 2003: DHCP server rant. I had been working on moving some DHCP services from one site to another when I saw his posting. I was using a...

July 20, 2009  6:36 PM

Wireshark quickstart tutorial – learn to capture network traffic



Posted by: Troy Tate
analysis, education, ethereal, howto, IT education, Laura Chappell, Metrics, Monitoring, network analysis, Networking, packet analysis, packet capture, performance monitoring, protocol analysis, reporting, tcp/ip, tools, trace files, training, troubleshooting, wireshark

There are more upcoming sessions in the Laura Chappell seminar series called Wireshark 101Jumpstart tutorials. Check out the schedule at Chappell University website. Some of the things you will learn include:


July 20, 2009  6:05 PM

Nmap v5 released – nearly 600 changes!



Posted by: Troy Tate
host scanning, host testing, network administration, network education, network management, network mapping, network scanning, network toolkit, nmap, penetration testing, security administration, security tool, utility

Fyodor has announced the release of Nmap v5. This is the first major release since 1997. There are over 600 changes in the new version. According to Wikipedia: Nmap...


May 26, 2009  7:34 PM

Repetition is one of the keys of learning



Posted by: Troy Tate
analysis, education, ethereal, howto, IT education, Laura Chappell, Metrics, Monitoring, network analysis, Networking, packet analysis, packet capture, performance monitoring, protocol analysis, reporting, tcp/ip, tools, trace files, training, troubleshooting, wireshark

I recently posted an update about Laura Chappell's Chappell University Online seminars. I attended one of these seminars today. What...


May 21, 2009  12:57 PM

Master key tasks for network troubleshooting – Chappell University Online Seminars



Posted by: Troy Tate
analysis, education, ethereal, howto, IT education, Metrics, Monitoring, network analysis, Networking, packet analysis, packet capture, performance monitoring, protocol analysis, reporting, tcp/ip, tools, trace files, training, troubleshooting, wireshark

I'm a huge fan of Laura Chappell. She has a great sense of humor and is a great educator about all things packet oriented. Previous posts about Laura have included:

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May 19, 2009  5:48 PM

Did you see this? TCP/IP networking from the wire up



Posted by: Troy Tate
education, Networking, OSI model, tcp/ip

Here is another source for educating yourself and some of your users on what networking is all about and why fixes are not always explained in simple terms. The example that the author gives of trying to explain to a casual air traveller how all of the devices on an aircraft work together for a...


April 29, 2009  12:25 PM

Did you see this? – Free Wireless LAN planning, deployment and management tools



Posted by: Troy Tate
802.11, free, network analysis, network throughput, performance analysis, performance monitoring, throughput, throughput testing, toolkit, tools, wi-fi tools, wlan

Xirrus is a WLAN equipment manufacturer. They have some very cool products and if you have not checked them out and are looking for installing, adding or replacing any WLAN network gear, then I suggest you take a look at their offerings before making a decision. Xirrus has a page on their...


April 29, 2009  12:11 PM

Doing Microsoft packet analysis? – Microsoft releases Network Monitor 3.3



Posted by: Troy Tate
analysis, analysis tools, Microsoft, network, network analysis, network monitor, packet analysis, packet capture, protocol analysis, tcp, tools, udp

If you do packet capture or analysis in a Microsoft environment, then you are probably already familiar with Microsoft Network Monitor. If not, please read my real-world use of it for


April 27, 2009  1:29 PM

Simple is not always easy – SNMP for network management



Posted by: Troy Tate
mib, Monitoring, netadmin, performance monitoring, protocol, rfc, snmp, sysadmin, tools, trend analysis

SNMP - Simple Network Management Protocol has been around since the late 1980's (RFC 1065, 1066, 1067)....


March 23, 2009  3:57 PM

Need help? Ask questions – help someone – read my blog & win one of 3 XBox 360′s



Posted by: Troy Tate
analysis tools, Cisco, contest, network capacity, network throughput, protocol analysis, Security, social engineering, social networking, tools, xbox

Looking for some help on some troublesome IT isssues? Post your question on IT Knowledge Exchange. Maybe take some time to read through some of the questions on ITKE. Provide an answer or even improve...


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