Most IT pros realize that using Telnet to manage routers, switches, and firewalls is insecure. Transmitted in clear text across a network, Telnet traffic basically publicizes any login usernames and ...

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 ...

Network security relies heavily on passwords. Cisco routers use passwords to ensure that only "trusted" users can perform certain services. In this Daily Drill Down, Todd Lammle takes you on a journey ...

It's been years since I did anything hardcore like reprogramming routers. We've got a situation where we are using a router, it works fine, but we need to switch over to a new config with increased ...

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 ...

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 ...

All -<BR><BR>Let me preface this by saying i'm a n00b when it comes to Cisco IOS, but know my way around CLI and have been working on similar devices for a few years (Juniper, 3COM )<BR><BR>I have a ...

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 ...

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 ...