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 ...

Your ISP likely gave you some kinf of all-in-one combo for your modem and router, but there's actually a number of ...

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 didn't spend a second changing settings or reconnecting devices.

Cybersecurity nowadays requires more (and better) protective measures than ever before. These measures range from adopting what are acknowledged as best practices, through helping end-users to stay ...

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 ...

I just got AT&T fiber (upgrade from ADSL) and having trouble with network configuration. I have a fixed IP package (that I had when I had ADSL) and neither the onsite tech or the AT&T rep on the phone ...

Service providers and network professionals working with IP networks agree that Border Gateway Protocol is one of the most complex and difficult-to-configure internet protocols. However, its emphasis ...

Can you use an old router as a network switch? Yes. We explain how to disable DHCP, configure LAN ports, and avoid potential ...