Describe the various call types in a VoIP network. Configure analog voice interfaces as new devices are introduced into the voice path. Configure dial peers so you can add call routing intelligence to ...

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 ...

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 ...