In this article we cover one of what I have found to be the most common stumbling blocks for individuals attempting to pass the CCNA. This comes from experience in helping several individuals through ...

To connect some copiers or multi-function printers to a router, you may need to know the subnet mask value for the network. A subnet mask defines the value range of IP addresses used in a workgroup.

IP addresses on your company network consist of three parts: the network address, the host address and the subnet mask. The network address identifies your broad network, and host addresses identify ...

I am running a debian linux machine at the front of a network. All http port 80 requests are forwarded to a webserver on an internal subnet with IPtables : Code ...