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 ...

I am doing a review of the configuration of all our Cisco equipment after taking over from my predecessor. I noticed in one of the routers has a loopback interface on it but I can’t account for the ...

[Arto] recently upgraded his home Internet subscription from an ADSL to VDSL, and with that change received a shiny new ZTE ZXDSL 931WII modem/wireless router. Once he had it installed, he started to ...

With a simulator, there are always missing commands and programming errors, and it can never really be as complete as the real IOS. However, because an emulator runs the IOS, you get every feature ...

Among the many firewalls available in the security market are router firewalls. Unlike the software firewall, the router firewall attempts and blocks incoming query requests at the server level ...

Editors' note: This article was first published on March 26, 2013 and updated on July 1, 2016 with up-to-date information. It might seem like a daunting task to set up a new home router. But it ...

The Totolink A2004NS AC1200 Wireless Dual Band Gigabit Router is a great home router with a little catch: you have to spend time to configure it properly. Here's CNET's full review. Dong Ngo Former SF ...

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 ...