A subnet allows the flow of network traffic between hosts to be segregated based on a network configuration. By organizing hosts into logical groups, subnetting can improve network security and ...

I have a networking situation where some tools can or can't communicate between two devices on the same LAN but differing subnet masks (it's an error, will be corrected). The question is why do some ...

The bits in the mask identify both hosts and subnets. The more hosts, the fewer subnets; the more subnets, the fewer hosts can be individually addressed. These bits become a tradeoff based on the ...

Here’s a guest post sent to me by Don Crawley, author of The Accidental Administrator book series. It is an excerpt from his latest:The Accidental Administrator: Cisco ASA Security Appliance: A ...

I set up a l2tp over ipsec vpn for a mac os x client. I can connect fine and I get an address, but the subnet mask is wrong (and corresponds to the class..). If I manually set the IP address and ...

There are thousands of commands and subcommands available to configure a Cisco Adaptive Security Appliance, and as you gain knowledge of the appliance, you will find yourself using more and more of ...

If computers in an open network talk freely with one another and two computers start talking at the same time, you have a “data collision.” Collisions may be arbitrated via Carrier Sense Multiple ...

There are thousands of commands and subcommands available to configure a Cisco Adaptive Security Appliance, and as you gain knowledge of the appliance, you will find yourself using more and more of ...