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Install Roles on Windows via PowerShell

Just because you don't have a GUI on your Windows Server 2012 doesn't mean you can't install roles and features at will. Use PowerShell, and the job gets easy.

What is a VoIP Router?

Voice over Internet Protocol is a new way to talk on your phone through your broadband internet connection. A VoIP router is needed to help you use the same phone you have been using before your VoIP connection.

Layer 2 Encapsulation Protocols

High-Level Data Link Control (HDLC) - HDLC is the default encapsulation type on point-to-point, dedicated links, and circuit-switched connections. It is used typically when communicating between two Cisco devices. It is a bit-oriented synchronous data link layer protocol.

Seven Layers of the OSI Model

Various mnemonics have been created over the years to help remember the order. Probably the most taught and text-book found ones are:

MAC Sublayer Details

The Media Access Control (MAC) data communication protocol sub-layer, also known as the Medium Access Control, is a sublayer of the data link layer specified in the seven-layer OSI model (layer 2). It provides addressing and channel access control mechanisms that make it possible for several terminals or network nodes to communicate within a multipoint network, typically a local area network (LAN) or metropolitan area network (MAN).

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Five Latest Forum Posts

List of Shady Characters

This is a list compiled from the last 90 days of data, showing the IP addresses and hostnames of computers on the internet who:

Cisco 2620XM Configuration

What are the commands to configure a subnet mask on a router and a default gateway on a router?...

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Top 5 Questions

What are the commands to configure a subnet mask on a router and a default gateway on a router?

Trying to learn something new with these Cisco routers I found on Craigslist!...

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