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If you have the right working tools for network operations, you can get a lot of information that can help you control or monitor the network.  Here are three tools, WinTracer, PacketViewer, and NetTraffic that are easy to use and provide you with a steady stream of network information.

This is a list of tools used for Network (both LAN and WAN) Monitoring tools and where to find out more about them. The audience is mainly network administrators. 

One of the issues facing network and security engineers is defending the network against dynamic threats. This means traffic that cannot easily be identified by regular means, such as an application that changes layer 4 ports or tunnels within an existing protocol. Because of this, a solution is needed to match and filter based on specific information within the packet that is unique to the application you want to block.

A collection of good articles on Routers throughout the past year.

Setting up a network, wired or wireless, isn't an easy task - it's far from it. Most of the time, this involves fooling around out of your domain and ending up

In the previous installment of our series of IPv6 security posts, we covered some of the ways addressing has changed in IPv6 compared to IPv4. In this post, we'll talk about some of the things to consider when securing IPv6 compared to IPv4. Before digging into this topic, however, it is important to remember that while IPv6 may have different security concerns than IPv4, it is not necessarily any more secure than IPv4. Furthermore, the post will focus on those aspects that are different or unique to IPv6, since many of the common best practices for IPv4 networks also apply to IPv6 networks.

Cisco Learning network videos on SSL VPNS

You're lying. Well, at least until we see the packet capture. A great summary of a network engineers life and challenges

Crossword puzzle for network engineering.

Network Troubleshooting Video Mentor, Downloadable Version

A blow-by-blow record of one of the worst health-care IT crises in history and what CareGroup CIO John Halamka learned from it. What can happen if an old network is asked to carry new applications How standard disaster recovery protocols can fail Lessons learned from the four-day crisis

This is more in the context of managing Win7 workstations on an enterprise network.

Project being run out of Stanford University: NetFPGA, a Field-Programmable Gate Array (FPGA) geared toward network device development. As in, building your own hardware IP router and/or Ethernet switch. It's essentially a mini-computer with four GigE interfaces that can be installed as a PCI card.

Some good pointers to network engineering blogs, podcasts and other resources.

A major consideration when designing an enterprise network is whether traffic at the access layer will be switched or routed toward the distribution layer. Placing multilayer switches in the access layer yields significant advantages; chief among them is the ability to fully utilize all uplinks to the distribution layer (as loops are no longer broken by STP)