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Cisco Inter-Switch Link (ISL) is a Cisco proprietary link layer protocol that maintains VLAN information in Ethernet frames as traffic flows between switches and routers, or switches and switches. [1] ISL is Cisco's VLAN encapsulation protocol and is supported only on some Cisco equipment over the Fast and Gigabit Ethernet links.
Networking hardware, also known as network equipment or computer networking devices, are electronic devices that are required for communication and interaction between devices on a computer network. Specifically, they mediate data transmission in a computer network. [ 1 ]
With the acquisition of Pure Digital Technologies, Cisco began to sell a line of video-recording devices called "Flip Video" that had been Pure Digital's only line of products. This line of products was not as popular as Cisco had thought it would have been, and on April 12, 2011, Cisco announced they were discontinuing all Flip camera production.
A switch is a device in a computer network that connects other devices together. Multiple data cables are plugged into a switch to enable communication between different networked devices. Switches manage the flow of data across a network by transmitting a received network packet only to
Each router builds up a routing table, a list of routes, between two computer systems on the interconnected networks. [6] [7] The software that runs the router is composed of two functional processing units that operate simultaneously, called planes: [8]
The Cisco Nexus series switches are modular and fixed port network switches designed for the data center. Cisco Systems introduced the Nexus Series of switches on January 28, 2008. The first chassis in the Nexus 7000 family is a 10-slot chassis with two supervisor engine slots and eight I/O module slots at the front, as well as five crossbar ...
Catenet, a short-form of (con)catenating networks, is obsolete terminolgy for a system of packet-switched communication networks interconnected via gateways. [3]The term was coined by Louis Pouzin in October 1973 in a note circulated to the International Network Working Group, [13] [14] later published in a 1974 paper "A Proposal for Interconnecting Packet Switching Networks". [15]
PANs can be used for communication among the personal devices themselves, or for connecting to a higher level network and the Internet where one master device takes up the role as gateway. A PAN may be carried over wired interfaces such as USB , but is predominantly carried wirelessly, also called a wireless personal area network ( WPAN ).