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 ...

I'm trying to set up a server behind a router and a switch, but no one not connected to the switch can access the server. The cable modem is plugged into a four port Linksys, which is set to forward ...

When a network router doesn't have enough network ports to connect all the necessary devices, a switch can be used to add additional ports. In the case of business networks, switches are often ...

Recently a client asked me to write a whitepaper about IP address management. At first the assignment seemed completely routine. But as I began looking at the details I realized that I was going to ...

- Windows 10 VM running on ESXi Server (connected to vmnic1, port 6 on TP-Link) - OPNsense Firewall VM running on ESXi Server (connected to vmnic1, port 6 on TP-Link) The OPNsense Firewall VM can do ...

Network devices control how traffic can travel across the network and have security monitoring features. Refine and preserve your settings by managing network device configurations. Network devices ...

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 ...

In this video from LUG 2015 in Denver, John Fragalla from Seagate presents: Lustre Network (LNET) Router Configuration and Tuning. With many sites utilizing a single Lustre filesystem for multiple ...

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 ...