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A virtual local area network (VLAN) is any broadcast domain that is partitioned and isolated in a computer network at the data link layer (OSI layer 2). [ 2 ] [ 3 ] In this context, virtual refers to a physical object recreated and altered by additional logic, within the local area network .
The technique specified by the standard is known informally as stacked VLANs or QinQ. The original 802.1Q specification allows a single virtual local area network (VLAN) header to be inserted into an Ethernet frame. QinQ allows multiple VLAN tags to be inserted into a single frame, an essential capability for implementing metro Ethernet.
For a price much lower than a fully managed switch they provide a web interface (and usually no CLI access) and allow configuration of basic settings, such as VLANs, port-bandwidth and duplex. [29] [28] Enterprise managed switches (aka managed switches) have a full set of management features, including CLI, SNMP agent, and web interface. They ...
Intel FWIXP422BB. A network processor is an integrated circuit which has a feature set specifically targeted at the networking application domain.. Network processors are typically software programmable devices and would have generic characteristics similar to general purpose central processing units that are commonly used in many different types of equipment and products.
An Intel Pentium Mobile, clocked at 300 MHz (1998). A mobile processor is a microprocessor designed for mobile devices such as laptops and cell phones.. A CPU chip is designed for portable computers to run fanless, under 10 to 15W, which is cool enough without a fan. [1]
A computer network diagram is a schematic depicting the nodes and connections amongst nodes in a computer network or, more generally, any telecommunications network. Computer network diagrams form an important part of network documentation.
VLAN Trunking Protocol (VTP) is a Cisco proprietary protocol that propagates the definition of Virtual Local Area Networks on the whole local area network. [1] To do this, VTP carries VLAN information to all the switches in a VTP domain. VTP advertisements can be sent over 802.1Q, and ISL trunks.
A greatly simplified block diagram of the 80186 architecture Die of Intel 80186. The 80186 series was designed to reduce the number of integrated circuits required. It included features such as clock generator, interrupt controller, timers, wait state generator, DMA channels, and external chip select lines.