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| Nov 21, 2009 |
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IT Systems >
Communications Networks >
Internet >
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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.
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Definition continues below.
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IP Addresses Reports
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6 Matches
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Free Tool: IP Address Tracker (IPAT)
sponsored by SolarWinds, Inc.
PRODUCT OVERVIEW:
Our new IP Address Tracker frees you from the evils of spreadsheets, delivering powerful and simple-to-use features that give you a unified view of your IP address space and that enable you to manage it -- for free! IP Address Tracker makes it easy to track an unlimited number of IP addresses, see which ones are in use and which are not, and more.
Posted: 20 Oct 2009 | Published: 20 Oct 2009
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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
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Subnetting Shortcuts
sponsored by Global Knowledge
WHITE PAPER:
One of the most challenging topics for many CCNA candidates is subnet masking. This white paper will de-mystify the math behind subnetting, and provide examples of shortcuts that bypass the need for binary when doing calculations involving subnet masks.
Posted: 27 Aug 2009 | Published: 27 Aug 2009
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IPv6 Transition Strategy
sponsored by BT Diamond IP
WHITE PAPER:
IPv6 Transition Strategies- Develop a clear, manageable migration path from IPv4 to IPv6.
Posted: 27 May 2009 | Published: 27 May 2009
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IPControl - Automated IP Address Management & DNS/DHCP Server Configuration
sponsored by BT Diamond IP
SOFTWARE LISTING:
IPControl is a next-generation software system that enables service providers and enterprises to dramatically improve their IT infrastructure operational efficiency and service levels by automating IPAM and DNS/DHCP server configuration.
Posted: 27 May 2009 | Published: 27 May 2009
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Overcoming IPv6 Addressing and Management Challenges
sponsored by BT Diamond IP
WHITE PAPER:
Managing the IPv4/IPv6 address space resource requires an advanced tool that intelligently allocates, assigns and tracks the address blocks and individual IP addresses deployed on modern IP networks.
Posted: 27 May 2009 | Published: 27 May 2009
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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
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