HP Enterprise File Services WAN Accelerator manual Designing an HP EFS WAN Accelerator Deployment

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CHAPTER 1 Designing an HP EFS WAN Accelerator Deployment

In This Chapter	This chapter describes how the HP EFS WAN Accelerator works and how to design an
	HP EFS WAN Accelerator deployment. This chapter includes the following sections:
	“Introduction to the HP EFS WAN Accelerator” next
	“Design and Deployment Overview” on page 11
	“Definition of Terms” on page 13
	“Bypass Mode” on page 13
	“Failover Mode” on page 14

Introduction to the HP EFS WAN Accelerator

The causes for slow throughput in Wide Area Networks (WANs) are well known: high delay (round-trip time or latency), limited bandwidth, and chatty application protocols. Virtually all large enterprises spend a significant portion of their information technology budgets on storage and networks, much of it spent to compensate for slow throughput by deploying redundant servers and storage, and the required backup equipment. HP EFS WAN Accelerators enable you to consolidate and centralize key IT resources to save money, reduce capital expenditures, simplify key business processes, and improve productivity.

The HP EFS WAN Accelerator not only addresses the bandwidth problem and application protocol chattiness but the latency problem as well. The HP EFS WAN Accelerator uses Transaction Acceleration (TA) to optimize throughput and save bandwidth on WANs.

HP EFS WAN Accelerators intercept client-server connections without interfering with normal client-server interactions, file semantics, or protocols. All client requests are passed through to the server normally, while relevant traffic is optimized to improve performance. HP EFS WAN Accelerators can be easily introduced into an enterprise environment without requiring any significant changes to the network or architecture.

1 - DESIGNING AN HP EFS WAN ACCELERATOR

HP STORAGEWORKS ENTERPRISE FILE SERVICES WAN ACCELERATOR 2.1.5 DEPLOYMENT GUIDE

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Contents 407118-001 HP StorageWorks Enterprise File Services WAN AcceleratorLegal and notice information Contents Chapter Wccp Deployments Policy-Based Routing DeploymentsGlossary 113 Index 117 Proxy File Service DeploymentsRadius and TACACS+ Authentication Serial Cluster and Cascade Deployments 107About This Guide IntroductionOrganization of This Guide Boldface Document ConventionsHardware and Software Dependencies Ethernet Network CompatibilityAntivirus Compatibility Additional Resources Related Reading HP Storage Web Site Contacting HPIntroduction Introduction to the HP EFS WAN Accelerator Designing an HP EFS WAN Accelerator DeploymentVirtual Window Expansion Transaction AccelerationTransaction Prediction Design and Deployment OverviewDesigning AN HP EFS WAN Accelerator Deployment Definition of Terms Bypass ModeFailover Mode Designing AN HP EFS WAN Accelerator Designing AN HP EFS WAN Accelerator Deployment ‹ In-Path,Server-Side, One to One Deployment on In-Path DeploymentsIntroduction to Physical In-Path Deployments In-Path, Failover Support DeploymentBasic Steps Client-Side Setup Advanced Networking Failover Settings Basic Steps Server-Side In-Path, Two Routing Points DeploymentBasic Steps Client-Side Basic Steps Server-Side In-Path, Server-Side DeploymentIn-Path, Server-Side Deployment In-Path, Server-Side, One to One DeploymentFollowing figure illustrates the server-side of the network Setup Advanced Networking Failover Settings Introduction to Virtual In-Path Deployments Virtual In-Path Network DeploymentsIn-Path, Load Balanced, Layer-4 Switch In-Path, Load-Balanced, Layer-4 Switch Deployment Setup Optimization Service General Settings Introduction to Out-of-Path Deployments Out-of-Path Network DeploymentsPhysical Out-of-Path Deployment Out-of-Path, Failover DeploymentOut-of-Path, Server-Side, Failover Support Deployment Setup Optimization Service In-Path Rules Static Cluster Deployment Out-of-Path, Static Cluster DeploymentSetup Optimization Service In-Path Rules, Fixed Target Client-Side Hybrid In-Path and Out-of-Path DeploymentBasic Steps Server-SideSetup Optimization Service In-Path Rules Basic Steps Server-Side OUT-OF-PATH Network Deployments Introduction to Connection Forwarding Configuring Connection ForwardingConnection Forwarding in an Asymmetric Network Neighbors Connection ForwardingOne-to-One Failover Deployment Configuring Connection ForwardingManagement Console Configuring Connection Forwarding Using‹ Click Update Settings Forwarding Configuring Connection Forwarding Using the CLI‹ Symmetric Deployments with PBR, Autodiscovery, and CDP on Policy-Based Routing DeploymentsOverview of CDP Introduction to PBRWccp PBR How PBR works on a Cisco 6500 Platform Version 12.217d SXB1Autodiscovery, and CDP on Asymmetric HP EFS WAN Accelerator Deployments With PBR Configuring PBR UsingTo configure the client- side HP EFS WAN Accelerator To configure the clientSide router Configuring PBR Using Management Console Setup Optimization Service General Settings Setup Optimization Service In-Path Rules Basic Steps Client-Side Basic Steps Server-Side PBR Between VLANs PBR Between VLANsRouter To configure the HPTo configure the Cisco EFS WAN AcceleratorEFS WAN Accelerators Set of commandsPOLICY-BASED Routing Deployments POLICY-BASED Routing Deployments Symmetric Deployments with PBR Autodiscovery, and CDP POLICY-BASED Routing Deployments Troubleshooting Wccp Deployments ‹ Troubleshooting onIntroduction to Wccp Basic Wccp ConfigurationFailover Support on ‹ To configure a service group Wccp CLI CommandsService group Basic Wccp Configuration ConnectingAccelerator Configuring Client-Side HP To configureWccp router Configuring Wccp Using the Management Console To add the Wccp service group toAccelerator Enable Wccp on your router Navigate to the Setup Advanced Networking Wccp Groups Setup Service, Wccp Groups To define in-path rules to reach the server- side appliance Basic Steps Server-Side Wccp 3640 router Dual Wccp DeploymentIp cef No ip http server Wccp 6209 routerSecurity Additional Wccp FeaturesTo configure the server-side HP EFS WAN Accelerator To set the passwordTCP Port Redirection MulticastFailover Support To configure specific traffic redirection on the routerTo change the hashing scheme and assign a weight Load BalancingTroubleshooting Introduction to PFS Proxy File Service DeploymentsPFS Terms Proxy File Service Description TermPFS Operating Modes How Does PFS Work? PFS When to UseWhen to use Global Mode To join a domain for Configuring PFS Using the Management ConsoleSetup Proxy File Service PFS Configuration Required Setup Proxy File Service Shares Mode Description To synchronize Initialize a shareTo map a share Information To modify shareDetails To view share statusIntroduction to Authentication Radius and TACACS+ AuthenticationConfiguring a Radius Server with FreeRADIUS To add acceptance Requests onRadius server To download Configuring a TACACS+ Server with Free TACACS+Authentication ConfiguringSetup Authentication General Settings TACACS+ 104 105 106 Serial Cluster Deployment Serial Cluster and Cascade DeploymentsSerial Cluster Basic Serial Cluster Deployment To configure HP EFS WAN Accelerator1To configure HP EFS WAN Accelerator2WAN Accelerator3 Cascade Deployment Cascade DeploymentFixed-Target Rules Glossary 114 115 116 PBR Index118

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