HP Enterprise File Services WAN Accelerator manual Cascade Deployment

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Cascade Deployment

Cascade configurations enable multi-site deployments where the server end-points are located at intermediate sites and connections between the client and the server might pass through intermediate HP EFS WAN Accelerators to reach their final destination. HP EFS WAN Accelerators direct client-side HP EFS WAN Accelerator auto- discovery packets to the correct HP EFS WAN Accelerator end-point.

Figure 10-3.Cascade Deployment

When the Client connects to a server in Site B, HP EFS WAN Accelerator1 and HP EFS WAN Accelerator2 are optimizing the connection. When the Client connects to a server in Site C, HP EFS WAN Accelerator1 and HP EFS WAN Accelerator3 are optimizing the connection.

The following rules apply to cascade deployments:

‹A cascade deployment can be created on either the client side or on the server side.

‹In a cascade deployment, only pass-through peering rules are used.

Peering Rules Peering rules define what to do when an HP EFS WAN Accelerator receives an auto- discovery probe from another HP EFS WAN Accelerator.

In Figure 10-3, Server1 is on the same LAN as HP EFS WAN Accelerator2 so connections from the client to Server1 should be optimized between HP EFS WAN Accelerator1 and HP EFS WAN Accelerator2. Concurrently, Server2 is on the same LAN as HP EFS WAN Accelerator3 and connections from the client to Server2 should be optimized between HP EFS WAN Accelerator1 and HP EFS WAN Accelerator3.

To configure this example, you do not need any rules on HP EFS WAN Accelerator1 or HP EFS WAN Accelerator3; you need to add peering rules on HP EFS WAN Accelerator2 to process normally connections going to Server1 and to pass all other connections so that connections to Server2 are not optimized by HP EFS WAN Accelerator2. You also need a default rule to pass through inner connections between HP EFS WAN Accelerator1 and HP EFS WAN Accelerator3 (by default connection to destination port 7800).

This example has the following parameters:

‹Server1 IP address is 10.0.2.2 on a /24

HP STORAGEWORKS ENTERPRISE FILE SERVICES WAN ACCELERATOR 2.1.5 DEPLOYMENT GUIDE

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10 - SERIAL CLUSTER AND CASCADE DEPLOYMENTS

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Contents 407118-001 HP StorageWorks Enterprise File Services WAN AcceleratorLegal and notice information Contents Chapter Wccp Deployments Policy-Based Routing DeploymentsRadius and TACACS+ Authentication Proxy File Service DeploymentsSerial Cluster and Cascade Deployments 107 Glossary 113 Index 117About 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 Basic Steps Hybrid In-Path and Out-of-Path DeploymentServer-Side Client-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 VLANsTo configure the Cisco To configure the HPEFS WAN Accelerator RouterEFS 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 routerTo configure the server-side HP EFS WAN Accelerator Additional Wccp FeaturesTo set the password SecurityTCP Port Redirection MulticastTo change the hashing scheme and assign a weight To configure specific traffic redirection on the routerLoad Balancing Failover SupportTroubleshooting 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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