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hub
Last modified: Thursday, March 09, 2006 

A common connection point for devices in a network. Hubs are commonly used to connect segments of a LAN. A hub contains multiple ports. When a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.

A passive hub serves simply as a conduit for the data, enabling it to go from one device (or segment) to another. So-called intelligent hubs include additional features that enables an administrator to monitor the traffic passing through the hub and to configure each port in the hub. Intelligent hubs are also called manageable hubs.

A third type of hub, called a switching hub, actually reads the destination address of each packet and then forwards the packet to the correct port.

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CableWholesale.com: Networking Hubs - Wholesale supplier of cable products including dual speed fast ethernet hubs and USB hubs.

Netsys: Networking Hubs & Concentrators - Supplies VDSL and HPNA concentrators and network switches for business, campus, industrial, MTU/MDU, and hospitality environments.


For internet.com pages about hub . Also check out the following links!

Related Links

PracticallyNetworked.com 
PracticallyNetworked.com provides easy-to-understand help for small-network builders. The site contains how-to information for setting up and debugging home-office and small-business networks. Users can also find extensive troubleshooting information, tips on getting applications to work through firewalls, product reviews on network hardware and software, and more.

PracticallyNetworked.com Discussion Forums 
If network connections, sharing computers, router problems or other networking issues are bogging you down, then the PracticallyNetworked.com discussion forum is the place to be. Here you'll find help and support for all your network-related problems.

What's the Difference Between Routers, Switches and Hubs? 
Many people use the terms routers, switches and hubs interchangeably. However, the functions of the three devices are all quite different from one another, even if at times they are all integrated into a single device.

IETF Hub Working Group Charter
Describes the IETF Hub (IEEE 802.3) working group and includes contact and mailing list information and links to Internet drafts and Request for Comments documents.

Introduction to Hubs
This article explains the purpose of hubs and some of the technology behind them.

Sponsored listings

Weed Instrument: Hubs and Concentrators - Industrial Fiber Optic Converters for Bus Systems and Serial Data Interfaces. Managed and Unmanaged Ethernet and switches, analog current/voltage.

GlobalSpec.com: Hubs and Concentrators - Provides database of suppliers for hubs and concentrators. Includes catalogs, technical information, and supplier contact information.

Digi-Key: USB cables - Broad-line distributor web site features real-time stock status and pricing, online ordering, RFQ, technical support, product datasheets and photos.

Best Buy For Business. Find Network Switches and More. - Visit us online to find Network Switches and more than 100,000 other business-class technology products not available in stores. Shop now.

Hoover's: Hub Group, Inc. Company Research - Find information on Hub Group with operations and products, financials, officers, competitors and more at Hoover's.

related categories

Business Computing

Networking Hardware

Networks

Routing

related terms

10Base-T

3COM

bridge

concentrator

MAU

repeater

star network

switching hub


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