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I S P  G L O S S A R Y
Your source for the most up-to-date terms, definitions, and acronyms for and about internet service providers.

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router
Last modified: Wednesday, November 26, 2008 

(row´ter) (n.) A device that forwards data packets along networks. A router is connected to at least two networks, commonly two LANs or WANs or a LAN and its ISP’s network. Routers are located at gateways, the places where two or more networks connect.

Routers use headers and forwarding tables to determine the best path for forwarding the packets, and they use protocols such as ICMP to communicate with each other and configure the best route between any two hosts.

Very little filtering of data is done through routers.

See "Common Router Settings" in the Quick Reference section of Webopedia.
See also Webopedia's "Did You Know... Routers, Switches and Hubs: What's the Difference?"

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Webopedia Quick Reference: Understanding Router Settings
A list of many common broadband wired and wireless router settings and a description of what function it performs.

Webopedia's Did You Know...The Differences Between Hubs, Switches and Routers"
Some technicians have a tendency to use the terms routers, hubs and switches interchangeably. One minute they're talking about a switch. Two minutes later they're discussing router settings. Throughout all of this, though, they're still looking at only the one box. Ever wonder what the difference is among these boxes?

Related Categories

Hardware

Networking Hardware

Networks

Routing

Related Terms

3COM

BGP

bit bucket

bridge

brouter

choke packet

DDR

default gateway

DMZ

Enhanced Interior Gateway Routing Protocol

gateway

hop

hot potato routing

HSRP

hub

Inbound Filters

Interior Gateway Routing Protocol

internetworking

IP spoofing

IP switching

OSPF

packet

packet collision rate

port scanning

repeater

routefile

router firmware

routing

Routing Information Protocol

routing switch

switch

switching hub

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