Post Views: 1,975 Network broadcasts can create a huge amount of traffic on your organization’s network. When one device sends out a single broadcast, that broadcast goes to all devices on the subnet or VLAN. How can you manage these broadcasts to make your network more efficient? One method is to use Cisco Catalyst broadcast […]
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Post Views: 5,027 Whenever we teach our Hands-On courses, we always have a section of the course that discusses troubleshooting the network or technology the class is learning. A key part of troubleshooting any network is knowing the technology, no argument. But even the masters of technologies like Multicasting, or IP Networking, or MPLS, still
Leveraging Logging for Troubleshooting Using Cisco IOS Read More »
Post Views: 12,450 In my prior article on getting started with nmap, I showed you how to get started with this superb network scanner. In that article we did basic scans to locate what hosts were on a given network and display what services were running on those hosts. In this article I am going
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Post Views: 13,901 Nmap (“Network Mapper”) is a free and open source (license) utility for network discovery and security auditing that has been around since 1997. Surveillance and network scanning is often one of the first steps in Penetration Testing or Security Validation. Many systems and network administrators also find it useful for tasks such
Getting Started with nmap Read More »
Post Views: 5,104 Check out these great references as well: Our custom profiles repository for Wireshark Our Udemy course on Wireshark Our Udemy course on Wireless Packet capture Using Wireshark Coloring Rules – Some Notes A great site with additional coloring rules offered to the community: http://wiki.wireshark.org/ColoringRules All default coloring rules are stored in a
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Post Views: 2,732 Teredo Tunnels are a way to create a tunnel between two IPv6 end points (your computer and a web server) across the IPv4 network (your home or business and the Internet). In Windows 7 (and I believe Vista as well) you do not have to worry about using this if your home
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Post Views: 4,051 Check out these additional IPv6 Resources: Our IPv6 overview course at Udemy Our IPv6 Custom Profiles for Wireshark Our IPv6 classes at the Online School Here are some great Windows command line entries you can make to examine and configure IPv6 (assuming your version of Windows does so). We will discuss use
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Post Views: 5,454 Check out these additional IPv6 Resources: Our IPv6 overview course at Udemy Our IPv6 Custom Profiles for Wireshark Our IPv6 classes at the Online School Before I get started, let’s just clarify that besides MacOS or macOS, IPv6 is supported on iOS, ipadOS, tvOS, watchOS as well as on visionOS. The kernel
IPv6 MacOS Command Line Examples Read More »
Post Views: 3,878 Check out these additional IPv6 Resources: Our IPv6 overview course at Udemy Our IPv6 Custom Profiles for Wireshark Our IPv6 classes at the Online School ***There is an update to this article you can find here*** Here are some great Linux command line entries you can make to examine and configure IPv6
IPv6 Linux Command Line Examples Read More »
Post Views: 1,980 Check out these additional IPv6 Resources: Our IPv6 overview course at Udemy Our IPv6 Custom Profiles for Wireshark Our IPv6 classes at the Online School We are often asked, how do you enable IPv6 on a computer? With all the various versions of operating systems out there, this is no simple answer.
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Post Views: 1,829 In this article we will discuss using 6to4 Tunneling in your Windows machine. In order to do this, we will use a very popular “Tunnel Broker” Service provided by Hurricane Electric. 6to4 tunnels are a way to create a tunnel between two IPv6 end points (your computer and a web server) across
Setting up a 6to4 Tunnel in Windows 7 Read More »
Post Views: 2,210 Remember Word Perfect with its function key template that listed all the keyboard shortcuts? Okay, maybe not! Below are all the handy Windows 7 keyboard shortcuts. You can find a complete list here. Ease of Access keyboard shortcuts The following table contains keyboard shortcuts that can help make your computer easier
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