|
|
 |
| Dec 3, 2009 |
|
|
|
IT Systems >
Communications Networks >
Internet >
|
|
|
ALSO CALLED:
Internet Protocol Addresses,
Internet Addresses,
IP Numbers
DEFINITION: A subnet mask is a screen of numbers used for routing traffic within a subnet. Once a packet has arrived at an organization's gateway or connection point with its unique network number, it can be routed to its destination within the organization's internal gateways using the subnet number. The subnet mask consists of a screen of numbers indicating to the router which numbers it should look at underneath.
Definition continues below.
|
|
IP Addresses IT Downloads
(View All Report Types)
|
|
1 Match
|
IP Address Management Freeware from Infoblox
sponsored by Infoblox
SOFTWARE DOWNLOAD:
This IP address management freeware is a complete solution with the complete feature set of the Infoblox IP address manager, including Smart Folders, Network Map (with subnet management) and leading IPv6 capabilities.
Posted: 16 Sep 2009 | Published: 16 Sep 2009
|
|
| |
IP ADDRESSES DEFINITION (continued):
In a binary mask, for example, a "1" over a number says "Look at the number underneath;" a "0" says "Don't look." Using a mask saves the router having to handle the entire 32 bit address; it can simply look at the bits selected by the mask.Using the previous example (which is a very typical case), the combined network number and subnet number occupy 24 bits or three of the quads. The appropriate subnet mask carried along with the packet would be: 255.255.255.0Or a string of all 1's for the first three quads (telling the router to look at these) and 0's for the host number (which the router
IP Addresses definition sponsored by SearchNetworking.com, powered by WhatIs.com an online computer dictionary
|
|
|
TechTarget provides enterprise IT professionals with the information they need to perform their jobs
- from developing strategy, to making cost-effective IT purchase decisions and managing their
organizations' IT projects - with its network of
|
|
|
Definitions:
|
|
 |
|
All Rights Reserved,
Copyright 2000 - 2009, TechTarget |
|
|
|
|
|