Energy Efficient Ethernet (EEE) enables power reduction on transmission when there is nothing to transmit. Why? Most Ethernet ports remains always on running at maximum power, irrespective of whether there is data to transmit or not. Ethernet port traffic is bursty remaining idle for majority of its operation. The EEE enabled switch could reduce it’s […]
Tag: Ethernet
25
Apr2014
12
Jan2014
Ethernet was developed by Robert Metcalfe at Xerox PARC in the early 70s and is a packet switching technology that uses Carrier Sense Mulit-access with Collision Detection (CSMA/CD).
Carrier Sense
The device (Network Inteface Card) determines if the media (wire) is available, no electrical signalling we can transmit.
Multi-access
All devices can sense the ... Read More
26
Dec2013
Switches register the source MAC address seen on their ports to generate a MAC address table also known as Content Addressable Memory (CAM) table. A MAC address table has the
source MAC address
the port that learned it
a timer to aging out
the VLAN the source MAC address belongs to
When a switch ... Read More