All Cisco routers have two special types of lines, and many Cisco routers have a third. What are these lines, and how do you configure them? These are things that every network admin should know. All ...

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 ...

Hi, I was wondering if anyone could help me configure my cisco router so that I could access the VPN server that I run behind the router as well as access a FTP server that I also have behind the ...

This month's article will introduce network router programming. If you have not worked with IT infrastructure, you may be surprised at the number of options and possible configurations available to ...

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 ...

Cisco on Wednesday unveiled its new Linksys E-series line wireless routers, intended to please its tech enthusiast base with wireless-N connectivity and a bevy of advanced features. In stark contrast ...

Configuring route filters in Cisco CallManager Administration to reduce the number of route patterns or restrict calling to undesirable locations Modifying route patterns to use access codes and ...

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 ...

Hi, I need some help understanding the VPN setup on a Cisco 800 series router that we use to communicate with one of our clients. If possible I would like to move this VPN from the Cisco box to an ...

Cisco Packet Tracer is more than just a simulation tool—it’s a hands-on learning environment for building, testing, and troubleshooting networks without expensive hardware. From basic device ...