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IT Management >
Systems Operations >
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ALSO CALLED:
Network Routing
DEFINITION: A fixed-length subnet mask (FLSM) is a sequence of numbers of unchanging length that streamlines packet routing within the subnets of a proprietary network. A subnet can be a geographically defined local area network (LAN). Alternatively, a subnet may define security boundaries, departmental boundaries, multicast zones or hardware security parameters.Once a packet has arrived at an organization's main
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Definition continues below.
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Routing Reports
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12 Matches
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Scalable & Affordable BGP Routing
sponsored by Vyatta Inc.
WHITE PAPER:
Read this paper to learn how users benefit from a flexible enterprise-class routing and security feature set capable of scaling from DSL to 20Gbps performance.
Posted: 28 Jan 2010 | Published: 28 Jan 2010
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Scalable, Affordable VPN Concentrator
sponsored by Vyatta Inc.
WHITE PAPER:
Read this paper to learn how software subscriptions and hardware appliances can deliver the advanced routing and security functionality your network requires at a fraction of the cost of proprietary networking equipment.
Posted: 28 Jan 2010 | Published: 28 Jan 2010
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Unified Physical Infrastructure (UPI) Strategies for Thermal Management
sponsored by Panduit
WHITE PAPER:
This white paper demonstrates how air sealing grommets can be used to close raised floor cutout spaces and improve data center cooling efficiency. Solutions that achieve the highest level of sealing effectiveness support network uptime goals by contributing to maximum cooling efficiency and providing superior cable management.
Posted: 28 Jan 2010 | Published: 28 Jan 2010
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Core Data Services: Basic Components for Establishing Business Value
sponsored by Pitney Bowes
WHITE PAPER:
Standardizing data management practices when developing the enterprise architecture lowers risk and increases consistency; Organizational trust in the data simplifies application development. This paper explores how a set of value-added data services can reduce operational costs, increase efficiency and improve the quality of enterprise data.
Posted: 11 Jan 2010 | Published: 11 Jan 2010
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Optimizing the Business of IT
sponsored by F5 Networks
WHITE PAPER:
New functionality in BIG-IP v10--such as resource provisioning and route domains--coupled with existing administrative domain capabilities enables IT to virtualize application delivery functions across departments. Sharing the investment in a unified application delivery solution across business constituents increases the return on investment.
Posted: 10 Dec 2009 | Published: 10 Dec 2009
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Routers are Dead; Long Live the Router
sponsored by Cisco Systems, Inc.
WEBCAST:
Get a firsthand look at the next-gen routers that will enable you to create a truly borderless network, while giving you the convenient, powerful network management features you crave in today’s resource-challenged IT environment.
Posted: 20 Nov 2009 | Premiered: 20 Nov 2009
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IOS Tips and Tricks
sponsored by Global Knowledge
WHITE PAPER:
There are some helpful things we can do with Cisco’s IOS to make our lives easier. This white paper will present some useful commands, followed (in parentheses) by their most concise shortcuts (at the time of this writing).
Posted: 06 Nov 2009 | Published: 06 Nov 2009
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The Scoop on the New CCNA and CCNP Specializations
sponsored by Global Knowledge
WHITE PAPER:
There has been a lot of interest among students lately on the details surrounding the CCNA (Cisco Certified Network Associate) specializations and their relationship with the corresponding CCNP specializations. The purpose of this white paper is to put all the information about these into one concise reference document.
Posted: 22 Sep 2009 | Published: 22 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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How Vulnerable Are Your Cisco IOS Routers?
sponsored by Global Knowledge
WHITE PAPER:
It may be surprising to some that Cisco routers run many services that could create vulnerabilities. This paper is meant to be a vehicle for discussion regarding the security of Cisco routers. Additionally, some best practices for securing your Cisco routers are defined.
Posted: 13 May 2009 | Published: 13 May 2009
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Miercom Rated Best Report for Cisco MDS 9500
sponsored by Cisco Systems, Inc.
ANALYST REPORT:
The MDS passed a rigorous battery of performance tests without frame loss or error. The MDS also provided full line rate and highest throughput for 8G compared to competition. Read the report for complete test results.
Posted: 17 Dec 2008 | Published: 17 Dec 2008
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CCNA v2.0 Review: Critical Concepts of the 640-802 CCNA Exam
sponsored by Global Knowledge
WHITE PAPER:
This paper helps students understand the types of information required to pass the new 640-802 CCNA composite exam by providing a convenient review of the exam's critical concepts.
Posted: 17 Oct 2008 | Published: 17 Oct 2008
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ROUTING DEFINITION (continued): … gateway with its network number, that packet is routed to its ultimate destination using a subnet number. The FLSM is usually a string of binary digits shown over the subnet number, telling the router which parts of the subnet number to look at. A binary "1" over a particular digit in the subnet number says "Pay attention to this digit." A "0" says "Ignore this digit."The use of an FLSM saves a router the task of having to handle an entire IP address because the router deals only with the digits selected by the mask. Nevertheless, this method of subnet masking … Routing definition sponsored by SearchNetworking.com, powered by WhatIs.com an online computer dictionary
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