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 ...

When it comes to complexity of network connectors, you have got multiple levels, with a switch (hub) at the bottom and a router at the top. A hub is an astonishingly dumb gadget. It accepts a packet ...

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 ...

Just this last week several customers have ironically all asked me the exact same question. “Can we use an Ethernet switch instead of a router for our Internet EBGP peering to our ISP(s)?” While ...

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 ...