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 ...

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 ...

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 ...

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 ...

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 ...

Cisco’s new Valet Plus wireless router doesn’t promise a whole bunch of fancy features or apps. What it does promise is that you can set it up and have a secure, working wireless Internet connection ...

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 ...