The Simple Network Management Protocol (SNMP) is a necessary tool for every network administrator. You can easily configure it with just a few commands. SNMP is still the most popular way to monitor ...

Among the many firewalls available in the security market are router firewalls. Unlike the software firewall, the router firewall attempts and blocks incoming query requests at the server level ...

Recently a client asked me to write a whitepaper about IP address management. At first the assignment seemed completely routine. But as I began looking at the details I realized that I was going to ...

Network devices control how traffic can travel across the network and have security monitoring features. Refine and preserve your settings by managing network device configurations. Network devices ...

Routers and network switches aren't the same hardware—depending on your setup, you may need both.

The three devices commonly used for linking components together on a network are hubs, switches and routers. Though similar in function they differ in capability and utilization. Hubs and switches ...

With a simulator, there are always missing commands and programming errors, and it can never really be as complete as the real IOS. However, because an emulator runs the IOS, you get every feature ...

Trisha Jandoc was an associate writer at CNET covering broadband and everything related to home internet. She graduated from St. John's University with a bachelor's degree in journalism and a focus on ...