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- NETGEAR ProSafe Layer 3 Managed Switches With PoE Bring High Performance VoIP to Global Travel Agencies
- SITA World Travel represents a wide range of foreign airlines, serves thousands of U.S. travel agents and consumers, handles over 10,000 passengers annually and is enjoying unprecedented growth. Fielding thousands of calls daily, SITA's 18 divisions relied on traditional exchanges incapable of transferring calls between offices and lacking in features...
- Tags: Layer 3, Agency, High-performance, NetGear, SITA World Travel, Home Networking, Networking, Personal Technology
- Case studies
- Case Study for Layer 3 Authentication and Encryption
- This case study explains the basic tasks for configuring a multi-service, extranet Virtual Private Network VPN between a Cisco Secure VPN Client VPN Client and a Cisco IOS networking device gateway. This case study describes IP Security Protocol IPSec tunnelling. It includes the following sections: Case Study Overview, and Site...
- Tags: Layer 3, Cisco Systems Inc., VPN Client, Encryption, IPSec, VPNs, Network Security, Networking, Telecommunications, Security
- Case studies
- Cisco Administration 101: Understand the OSI model to become a better Cisco troubleshooter
- David Davis explains how the seven layers of the OSI Model can help you as a Cisco administrator. Get a brief overview of the OSI model and learn why it is more than just a textbook concept -- understanding it will help you every day of your career. by David...
- Tags: OSI, Certification, Administrator, Layer 3, Network, Administration, Layer, Cisco Systems Inc., David Davis, ACL, Networking
- Blog posts 2008-06-20
- How to install layer 3 switrches ?
- i want to know if any link is there where i can see how to install layer 3 switches ?thankxWhen all else fails there is always Gogglehttp://tinyurl.com/2xg6gzActually instead of being the last resort it should be the first place that you look if you don't know about these things or...
- Tags: rutvij1@..., Layer 3
- Discussion threads 2007-07-24
- Layer 3
- What is the need of a network layer 3 in a broadcast network?
- Tags: NETWORKING, daddybiggy@..., Layer 3
- Discussion threads 2007-07-09
- My Network and Layer 3 Switching and VLANS
- Please help me understand a couple of things about my network, layer 3 switching, and VLANS.. I'm confused as hell about this stuff for some reason, I usually grasp such concepts so it's frustrating. We had a network which was entirely Layer 2 in nature, but then one switch...
- Tags: LANs, NETWORKING, nate@..., network, Layer 3, VLAN, server
- Discussion threads 2007-04-14
- VLANs over multiple routers & subnets
- Fairly new to the idea of VLANs. I know how to make InterVLAN communications work between switches with one router or with one layer three switch but am having issues with the following:switch(192.168.2.11)VLANS 1,2,10 | |router(192.168.2.1) | |router(192.168.1.1) | ...
- Tags: router, steve@..., cisco, networking, vlans, layer 3, subnet, VLAN
- Discussion threads 2007-02-19
- Using Linux Guests as Layer 3 Routers Between Guest LAN and Hipersocket LANs
- This paper provides a short and simplified example of using a host system IP stack as a IP packet router between two or more network segments. This example network is a common configuration used with Linux on zSeries configurations where a Linux guest is used as a router between a...
- Tags: Layer 3, Router, Guest, Linux, LANs, Network Technology, Networking, Routers & Switches, UNIX, Operating Systems, Open Source, Software
- White papers 2006-04-25
- Route IP traffic across fiber between buildings
- I'm going to connect 2 close buildings with fiber using HP2800-24 layer 3 switches and mini-GBIC fiber adaptors. Originally the offices were miles apart and connected with frame relay. The part I want clarification on is that I want a different IP range in each building. I'm not sure how...
- Tags: clabrown@..., fiber, IP, IP Range, layer 3, layer 3 switch, networking, routing, switch
- Discussion threads 2007-01-04
- Performance Evaluation of Layer 3 Low Latency Handoff Mechanisms
- This paper investigates the performance of two Layer 3 low latency handoff protocols proposed by the IETF, namely Pre- and Post-Registration. These protocols use Layer 2 triggers to reduce the built-in delay components of Mobile IP. A simple analytical model is proposed that allows assessing the packet loss and the...
- Tags: Layer 3, Performance, Protocol, Performance Evaluation, Performance Management, Human Resources, Workforce Management
- White papers 2005-09-20
- Build a scalable, flexible, and highly-available data center
- This sample chapter, taken from Cisco Press' Data Center Fundamentals, focuses on three main properties of data center architectures: scalability, flexibility, and high availability. Data centers are rapidly evolving to accommodate higher expectations for growth, consolidation, and security. Although the traditional Layer 2 and Layer 3 designs...
- Tags: Chapter, Layer 2, Data Center, Layer 3, Cisco Systems Inc., Data Centers, Storage, Hardware, Data Management
- Book chapters 2005-08-19
- Layer 3 Malformed Packet Testing in MCI's Public IP Network
- Malformed packets associated with routing protocols can cause undesirable consequences if not detected and contained properly as close to the originator as possible. This issue magnifies in scope and complexity in a large-scale network, such as a public IP network. A malformed routing packet has the potential to impact thousands...
- Tags: MCI Inc., Packet, Layer 3, Network, IP, IP Network, Routing Packet, Networking, Telecommunications
- White papers 2005-08-01
- Beyond the Basics: Technologies for Compelling Layer 3 VPN Services
- Layer 3 VPNs offer secure, any-to-any communication over a service provider's IP/MultiProtocol Label Switching MPLS-based backbone network. Service providers that offer Layer 3 VPN services can take advantage of new, advanced features from Cisco Systems to differentiate their service, reduce operational and capital expenditure, and generate incremental revenue streams. This...
- Tags: Layer 3, Service Provider, Cisco Systems Inc., Business Services, Networking
- White papers 2004-12-01
- Gigabit Network Switches
- I need several new network switches. All my gigabit switches are Dell 5300 series. I have seen gigabit switches priced at a few hundred dollars to Dell switches at $1100 to Cisco switches priced higher yet.The switches will be in my computer room. 50 ports will connect to servers, 40...
- Tags: swITch, mike@..., networking, Hewlett-Packard Co., HP ProCurve, network, networking switch, Layer 2, Layer 3
- Q&A 2006-06-20
- Secure your network for success with these resiliency best practices
- Computer networks are an integral and strategic part of business infrastructure and as such the strength and security of networks is vital to continuing operations. This chapter download from Building Resilient IP Networks, by Kok-Keong Lee, Fung Lim, and Beng-Hui Ong focuses on Ethernet switching technology, specifically Layer 2 network...
- Tags: Beng-Hui Ong, Building Resilient IP Networks, Cisco Systems Inc., computer, computer network, Digital Equipment Corp., downtime, Ethernet, Fung Lim, IP network, Kok-Keong Lee, Layer 2, Layer 3, network, security, Web, Web site
- Download resources 2005-12-21
- Difference Between L3 & L2 Switches
- Hi Techies.Please give me the differneces of Layer-3 & Layer-2 Switches. Pls Help..thanks & reg'dsSreea layer 2 device is a switchcommunicates at frame level, a layer 3 is a routercommunicates at packet level.a layer 2 device is a switchcommunicates at frame level, a layer 3 is a router(communicates at packet...
- Tags: Layer 2, Layer 2 Switch, Layer 3, MAC, MAC address, networking, sree_cb@..., swITch
- Q&A 2005-10-06
- Build a scalable, flexible, and highly-available data center
- Data centers are rapidly evolving to accommodate higher expectations for growth, consolidation, and security. Although the traditional Layer 2 and Layer 3 designs have not changed drastically over the last few years, stringent demands for uptime and service availability, coupled with new technology and protocols, make the design efforts more...
- Tags: Cisco Press, consolidation, data center, high availability, LAN, Layer 2, Layer 3, scalability, security, server, server farm, service availability, topology, uptime
- Download resources 2005-08-19
- MPLS VPNs: Layer 2 or Layer 3? Understanding the Choice
- Since there's been data networking, there's been a debate between switched and routed architectures - stated in OSI terms, between performing functions at Layer 3 or Layer 2. Today, we see it again surfacing as network architects consider the design of Virtual Private Networks VPNs that take advantage of Multi-Protocol...
- Tags: MPLS VPN, Layer 2, Layer 3, MPLS, VPNs, Networking, Network Security, Telecommunications
- White papers 2002-07-05
- Learn how a LAN switch processes network traffic
- LAN switches are an integral component of the modern network. Switches analyze incoming network traffic, determine the traffic's destination based on the packet's incoming frame, and forward the frame toward its destination.This sample chapter, taken from Cisco Press' LAN Switching First-Step, explains how LAN switches process frames and outlines common...
- Tags: Cisco Press, frame, LAN, LAN Switch, Layer 2, Layer 3, network, network traffic
- Download resources 2005-08-11
- Cisco CCNA Self-Study: Fundamentals of IP
- This sample chapter, taken from CiscoPress' CCNA INTRO Exam Certification Guide (CCNA Self-Study, 640-821, 640-801), presents the core concepts behind OSI Layer 3. Because CCNA focuses on TCP/IP, the chapter also describes the main Layer 3 protocol used by TCP/IP-namely, the Internet Protocol IP. This coverage includes IP addressing, IP...
- Tags: CCNA, Cisco Systems Inc., fundamentals, IP, Layer 3, network, OSI, TCP/IP
- Download resources 2005-03-15
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Planting solar gardens
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