What is the Internet of Things?
Does your house have a smart thermostat? Or do you wear a fitness tracker to help you stay physically active? If you do, you are part of the Internet of…
OSI Reference Model
7 – Application: Interface to end user. Interaction directly with the software applications. 6 – Presentation: Formats Data to be “presented” between application-layer entities. 5 – Session: Manages connections between…
Layer 2 vs. Layer 3 Switch: Which One Do You Need?
Generally, a Layer 2 switch is one of the essential equipment used to connect all network and client devices. But for now, layer 3 switch is thriving in data centers,…
Twisted Pair Cables – Everything You Need to Know
Twisted pair copper cabling is the most ubiquitous for Ethernet network and telephone installations. But how much do you know about twisted pair cable? What makes it different from other…
Common Network tools – ping, telnet, netstat and arp
ping (Packet Internet Gropper) The Ping command allows a user to ping another network IP address. Ping command sends ICMP ECHO_REQUEST packets to other hosts, and this command can help…
PLIPCONFIG
plipconfig – fine-tune PLIP device parameters SYNOPSIS plipconfig interfaceplipconfig interface DESCRIPTION Plipconfig is used to (hopefully) improve PLIP performance by changing the default timing parameters used by the PLIP protocol.…
How to display listening ports using the netstat from the command line
If you’re troubleshooting a service that you know is running normally, the next step is to ensure it’s listening on the correct network port. The netstat command shows the services…
Building Architecture Meets Network Architecture
Fact: When I first saw just one picture of the building, I wanted to repost it as I thought it was cool. But it was relatively low quality, and I…
What is IPv6, and why is adoption taking so long?
IPv6 has been being developed since 1998 to address the dwindling supply of IPv4 addresses available, despite its efficiency and security redesigns, enterprise acceptance and implementation is slow. For the…