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 ...

90+% of Cisco Router administrators are CLI jockeys, myself included. However, there are several GUI tools that can help you manage and secure your Cisco routers very quickly. The one I want to focus ...

If you're running a small business with more than one computer, routers are usually a necessity. Routers provide small businesses with added security, a link between computer systems and extra ...

The security team wants access to the IPS configuration, the voice group wants access to the voice gateway, the NOC support guys want access for troubleshooting, etc. etc. The bottom line is folks ...

Previous articles (Part one, Part two) in this series on implementing VPN gateways using Cisco routers discussed the IPsec protocol and basic IPsec VPN connection models. Now we'll learn how to ...

Cisco's networking equipment is a mainstay for many companies, providing solid performance, stability and security for internal corporate networks and the Internet backbone. While the job of a ...

Many administrators forget—or don't even realize—that they can configure Dynamic Host Configuration Protocol (DHCP) on Cisco IOS routers and switches. David Davis discusses the pros and cons of this ...