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 ...

Hey all. I'm doing a semi-educational exercise for myself, kind of as a proof of concept. I understand how to do what I'm trying to do in an overly elaborate 2 router setup, and I'm trying to condense ...

Most IT pros know that using Telnet to manage routers, switches, and firewalls is not exactly a security best practice. Instead, the accepted alternative to Telnet's lack of security is Secure Shell ...

Cisco has long been making business routers that are rated as top performers by such electronics industry reviewers as PC Magazine and CNET. Cisco manufactures dozens of router models, but one of the ...

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 ...

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 ...

When a Cisco router is initially configured, the router's DNS lookup function is enabled by default. This function is only useful if the router utilizes a DNS server on the network; otherwise, it will ...