Coyote Point Systems Equalizer Dokumentacja

EqualizerInstallation and Administration GuideVersion 7.2.4July 2008 Coyote Point Systems, Inc.675 North First Street Suite 975 San Jose, California 9

x Equalizer Installation and Administration Guide

Chapter 6: Administering Virtual Clusters88 Equalizer Installation and Administration GuideYou do not need to configure Equalizer as the gateway for t

Managing ServersEqualizer Installation and Administration Guide 89 4. Enter server name, which is the server’s logical name, or accept Equalizer’s def

Chapter 6: Administering Virtual Clusters90 Equalizer Installation and Administration GuideFor example, you might configure a server as a hot spare if

Managing ServersEqualizer Installation and Administration Guide 91 assigned server weight for a server to the total of all the server weights that det

Chapter 6: Administering Virtual Clusters92 Equalizer Installation and Administration Guide4. Enter the new weight in the weight field.5. Click the co

Managing ServersEqualizer Installation and Administration Guide 93 Note that while a server is quiescing, it will still receive new requests if all of

Chapter 6: Administering Virtual Clusters94 Equalizer Installation and Administration GuideSetting Maximum Connections per ServerA new feature has bee

Setting Maximum Connections per ServerEqualizer Installation and Administration Guide 95 a. Create a new virtual cluster: select Add > Virtual Clus

Chapter 6: Administering Virtual Clusters96 Equalizer Installation and Administration Guide3. If it is not already checked, select the advanced check

Testing Virtual Cluster ConfigurationEqualizer Installation and Administration Guide 97 • Enable the hot spare flag. This specifies that any requests

Equalizer Installation and Administration Guide xi PrefaceThe Equalizer Installation and Administration Guide is intended for people who are installi

Chapter 6: Administering Virtual Clusters98 Equalizer Installation and Administration Guide

Equalizer Installation and Administration Guide 99 7 Monitoring Equalizer OperationSystem status information and performance statistics can be gather

Chapter 7: Monitoring Equalizer Operation100 Equalizer Installation and Administration GuideDisplaying Equalizer StatusTo display a summary of global

Displaying the System Event LogEqualizer Installation and Administration Guide 101 • internal interface is the name of this interface.• external addre

Chapter 7: Monitoring Equalizer Operation102 Equalizer Installation and Administration GuideFigure47 Viewingthesystemeventlog3. To change the num

Displaying the Virtual Cluster SummaryEqualizer Installation and Administration Guide 103 Displaying the Virtual Cluster SummaryThe Virtual Cluster Su

Chapter 7: Monitoring Equalizer Operation104 Equalizer Installation and Administration Guideare the current, dynamically-adjusted values, not the stat

Plotting Cluster Performance HistoryEqualizer Installation and Administration Guide 105 2. In the left frame, click the name of the cluster whose para

Chapter 7: Monitoring Equalizer Operation106 Equalizer Installation and Administration Guide3. Select menu > Plot Cluster History in the cluster sc

Displaying Server InformationEqualizer Installation and Administration Guide 107 be 100. Certain events (for example, rapid fluctuations in the load,

Prefacexii Equalizer Installation and Administration Guide• Appendix F, License and Warranty, contains the complete License and Warranty information.•

Chapter 7: Monitoring Equalizer Operation108 Equalizer Installation and Administration Guide1. Log into the Equalizer Administration Interface in eith

Plotting Server Performance HistoryEqualizer Installation and Administration Guide 109 To zoom in on a portion of the graph, click the area in which y

Chapter 7: Monitoring Equalizer Operation110 Equalizer Installation and Administration Guide• Computed Load is a measure of the performance of the ser

Plotting Geographic Cluster Performance HistoryEqualizer Installation and Administration Guide 111 1. Log into the Equalizer Administration Interface

Chapter 7: Monitoring Equalizer Operation112 Equalizer Installation and Administration Guide3. Select Plot GeoCluster History from the local menu in t

Plotting Site Performance HistoryEqualizer Installation and Administration Guide 113 • Site Returned shows the number of clients directed to this site

Chapter 7: Monitoring Equalizer Operation114 Equalizer Installation and Administration Guidelog hours is the target number of hours of plot log data t

Configuring Custom Event HandlingEqualizer Installation and Administration Guide 115 1. Log into the Equalizer Administration Interface in Edit mode.

Chapter 7: Monitoring Equalizer Operation116 Equalizer Installation and Administration Guide• Failure of a server agent• Restoration of a server agent

Browsing Equalizer Configurations using SNMPEqualizer Installation and Administration Guide 117 3. In the email event notification section, enter the

Equalizer Installation and Administration Guide 1 1 OverviewIntroducing EqualizerThis chapter provides an overview of Equalizer’s features and discus

Chapter 7: Monitoring Equalizer Operation118 Equalizer Installation and Administration GuideA management station is not provided with Equalizer and mu

Browsing Equalizer Configurations using SNMPEqualizer Installation and Administration Guide 119 Enabling the SNMP AgentThe SNMP agent responds to outs

Chapter 7: Monitoring Equalizer Operation120 Equalizer Installation and Administration Guide6. Use the check boxes to enable the corresponding traps.

Browsing Equalizer Configurations using SNMPEqualizer Installation and Administration Guide 121 SiblingsThe main object that describes siblings is cps

Chapter 7: Monitoring Equalizer Operation122 Equalizer Installation and Administration Guide

Equalizer Installation and Administration Guide 123 8 Working with Match RulesWhy Match Rules?The ability to make load balancing decisions based on t

Chapter 8: Working with Match Rules124 Equalizer Installation and Administration GuideFigure56 Conceptual Example of Match Rule ProcessingMost client

General Match Expressions and Match BodiesEqualizer Installation and Administration Guide 125 If the match expression evaluates to false, then each su

Chapter 8: Working with Match Rules126 Equalizer Installation and Administration GuideWith the addition of the logical OR (||) and logical AND (&&

General Match Expressions and Match BodiesEqualizer Installation and Administration Guide 127 Match BodiesMatch bodies specify the actions to take if

Chapter 1: Overview2 Equalizer Installation and Administration GuideWhen you configure the servers in a virtual cluster, you assign a static weight be

Chapter 8: Working with Match Rules128 Equalizer Installation and Administration GuideFigure 57 on page 128 shows the match rule defined above as it w

Managing Match RulesEqualizer Installation and Administration Guide 129 The Default Match RuleAll Layer 7 clusters created via the Equalizer Administr

Chapter 8: Working with Match Rules130 Equalizer Installation and Administration Guide3. In the cluster screen, select menu > Add Match Rule. The c

Managing Match RulesEqualizer Installation and Administration Guide 131 structural editing operators. In any list of edit actions, selection refers to

Chapter 8: Working with Match Rules132 Equalizer Installation and Administration Guide14. Check disable to indicate that this rule should not be proce

Match FunctionsEqualizer Installation and Administration Guide 133 Table 61: non-URI Match Functionsnon-URI Match Function Descriptionany()This functi

Chapter 8: Working with Match Rules134 Equalizer Installation and Administration GuideIn addition to the functions in the preceding table, a set of fu

Match FunctionsEqualizer Installation and Administration Guide 135 • Match functions for the optional <fragment> component are not provided. The

Chapter 8: Working with Match Rules136 Equalizer Installation and Administration GuideMatch Function Notes1. Considering Case in String Comparisons: S

Match FunctionsEqualizer Installation and Administration Guide 137 2. Regular Expressions: Some match functions have prefix, suffix, substr, or regex

Introducing EqualizerEqualizer Installation and Administration Guide 3 gateways, and can even load-balance certain types of NFS server cluster that pr

Chapter 8: Working with Match Rules138 Equalizer Installation and Administration Guideare available for HTTPS clusters. In addition, there are some ad

Example Match RulesEqualizer Installation and Administration Guide 139 Example Match RulesThis section shows you how to create a few of the most commo

Chapter 8: Working with Match Rules140 Equalizer Installation and Administration Guide6. Replace the text in the arg0 text box with support. Select co

Example Match RulesEqualizer Installation and Administration Guide 141 In this example, we assume that we can determine this by examining the hostname

Chapter 8: Working with Match Rules142 Equalizer Installation and Administration Guide8. In the flags field, enable the advanced check box. In the lis

Example Match RulesEqualizer Installation and Administration Guide 143 serving particular content for different web sites. For this example, we assum

Chapter 8: Working with Match Rules144 Equalizer Installation and Administration Guide6. In the Construct match expression field, select replace with

Example Match RulesEqualizer Installation and Administration Guide 145 8. In the drop-down box shown in the figure above, select replace with filename

Chapter 8: Working with Match Rules146 Equalizer Installation and Administration GuideWhen you are done, the Construct match expression field should n

Example Match RulesEqualizer Installation and Administration Guide 147 sessions can be maintained by the applications that run on these servers.) The

Chapter 1: Overview4 Equalizer Installation and Administration Guidesticky record, Equalizer proceeds to check all of the other clusters that have the

Chapter 8: Working with Match Rules148 Equalizer Installation and Administration Guide

Equalizer Installation and Administration Guide 149 9 Administering Geographic ClustersGeographic Load Balancing with EnvoyThe Envoy geographic load

Chapter 9: Administering Geographic Clusters150 Equalizer Installation and Administration GuideIt does this by sending a geographic query protocol pro

Geographic Load Balancing with EnvoyEqualizer Installation and Administration Guide 151 Envoy site that sent the geographic probe (Site A). This provi

Chapter 9: Administering Geographic Clusters152 Equalizer Installation and Administration GuideLicensing and Configuring EnvoyEach site in an Envoy ge

Licensing and Configuring EnvoyEqualizer Installation and Administration Guide 153 Figure 72 Two-site DNS example An example of a DNS zone file for th

Chapter 9: Administering Geographic Clusters154 Equalizer Installation and Administration GuideIn the example above, we left the domain parameters as

Working with Geographic ClustersEqualizer Installation and Administration Guide 155 Working with Geographic ClustersThis section shows you how to add

Chapter 9: Administering Geographic Clusters156 Equalizer Installation and Administration Guide• round trip: This method weights the client’s network

Working with SitesEqualizer Installation and Administration Guide 157 6. Specify the MX exchanger, which is the fully qualified domain name to be retu

Introducing EqualizerEqualizer Installation and Administration Guide 5 Geographic Load BalancingThe optional Envoy add-on supports geographic load bal

Chapter 9: Administering Geographic Clusters158 Equalizer Installation and Administration Guide3. Select Add Site from the local menu. The add site sc

Working with SitesEqualizer Installation and Administration Guide 159 12. Click the commit button.Equalizer can refuse an Add Site command for several

Chapter 9: Administering Geographic Clusters160 Equalizer Installation and Administration GuideEnvoy Configuration Worksheet

Equalizer Installation and Administration Guide 161 A Using Server AgentsIntroducing Server AgentsYou can configure Equalizer's load balancing a

Appendix A: Using Server Agents162 Equalizer Installation and Administration GuideThere is also a pedantic agent flag that tells Equalizer to regard a

Writing Server AgentsEqualizer Installation and Administration Guide 163 .Here is the output of the server program when it is started on the server:$

Appendix A: Using Server Agents164 Equalizer Installation and Administration GuideThis program is only an example because it doesn't make any use

Equalizer Installation and Administration Guide 165 B Using Reserved IP AddressesEqualizer supports placing servers on reserved, non-routable network

Appendix B: Using Reserved IP Addresses166 Equalizer Installation and Administration GuideIf servers placed on a non-routable network need to communic

Equalizer Installation and Administration Guide 167 C Regular Expression FormatEqualizer supports only IEEE Std 1003.2 (POSIX.2) regular expressions

Chapter 1: Overview6 Equalizer Installation and Administration Guidegeographic cluster to determine the site that is best able to process the request

Appendix C: Regular Expression Format168 Equalizer Installation and Administration Guide• A regular expression enclosed in parentheses, which matches

Matching ExpressionsEqualizer Installation and Administration Guide 169 Within a bracket expression, the name of a character class enclosed in '[

Appendix C: Regular Expression Format170 Equalizer Installation and Administration Guide

Equalizer Installation and Administration Guide 171 D HTTPS Cluster CertificatesThe sections below tell you how to get your Layer 7 HTTPS clusters ru

Appendix D: HTTPS Cluster Certificates172 Equalizer Installation and Administration GuideEqualizer communicates with the clients via HTTPS; the traffi

Enabling HTTPS with a Server CertificateEqualizer Installation and Administration Guide 173 • server certificate• private key• chained root (intermedi

Appendix D: HTTPS Cluster Certificates174 Equalizer Installation and Administration Guide1. Perform the procedure in the previous section (“Enabling H

Generating a CSR and Getting It Signed by a CAEqualizer Installation and Administration Guide 175 6. Try connecting to the Cluster via HTTPS.From a cl

Appendix D: HTTPS Cluster Certificates176 Equalizer Installation and Administration GuideFor a client certificate, the Common Name in the client’s cop

Preparing a Signed CA Certificate for InstallationEqualizer Installation and Administration Guide 177 Preparing a Signed CA Certificate for Installati

Introducing EqualizerEqualizer Installation and Administration Guide 7 2. The local name server queries the authoritative name server for coyotepoint.

Appendix D: HTTPS Cluster Certificates178 Equalizer Installation and Administration Guide-----BEGIN CERTIFICATE-----...-----END CERTIFICATE----------B

Installing a Server or Client Certificate for an HTTPS ClusterEqualizer Installation and Administration Guide 179 5. If your Equalizer has an Xcel SSL

Appendix D: HTTPS Cluster Certificates180 Equalizer Installation and Administration Guidecertificate, its private key, and an intermediate certificate

Using Certificates with the Xcel SSL Accelerator CardEqualizer Installation and Administration Guide 181 If your Equalizer has an Xcel SSL Accelerator

Appendix D: HTTPS Cluster Certificates182 Equalizer Installation and Administration Guide• Uncheck the use secure key storage check box when adding th

Using IIS with EqualizerEqualizer Installation and Administration Guide 183 Components and turn on the check box next to Internet Information Services

Appendix D: HTTPS Cluster Certificates184 Equalizer Installation and Administration GuideF. Enter a file name, e.g. C:\clustercert.pfx; then click Nex

Supported Cipher SuitesEqualizer Installation and Administration Guide 185 Supported Cipher SuitesThe following tables show the cipher suites supporte

Appendix D: HTTPS Cluster Certificates186 Equalizer Installation and Administration GuideXcel I CardThe following cipher suites are supported by the o

Equalizer Installation and Administration Guide 187 E TroubleshootingYou usually can diagnose Equalizer installation and configuration problems using

Copyright © 1997-2008 Coyote Point Systems, Inc. All Rights Reserved. Printed in the USA.Equalizer is a trademark of Coyote Point Systems Incorporated

Chapter 1: Overview8 Equalizer Installation and Administration Guide4. The client’s DNS selects one of the Equalizers in the list and queries it. If t

Appendix E: Troubleshooting188 Equalizer Installation and Administration GuideEqualizer is not activeIs Equalizer functioning? Try to ping the adminis

Equalizer Doesn’t Respond to Pings to the Admin AddressEqualizer Installation and Administration Guide 189 Equalizer Doesn’t Respond to Pings to the A

Appendix E: Troubleshooting190 Equalizer Installation and Administration GuideWhy aren't my clusters working if the server status is "up&quo

Restoring Access to the Administrative InterfaceEqualizer Installation and Administration Guide 191 Restoring Access to the Administrative InterfaceIf

Appendix E: Troubleshooting192 Equalizer Installation and Administration Guide

Equalizer Installation and Administration Guide 193 SOFTWARE LICENSEF License and WarrantyPLEASE READ THESE TERMS AND CONDITIONS CAREFULLY BEFORE USI

Appendix F: License and Warranty194 Equalizer Installation and Administration Guide19. In the event the sale is to a DOD agency, the U.S. Government&a

Equalizer Installation and Administration Guide 195 During the Limited Warranty Period, Coyote Point Systems will repair or replace the defective comp

Appendix F: License and Warranty196 Equalizer Installation and Administration GuideLimitation of LiabilityIF YOUR COYOTE POINT SYSTEMS SOFTWARE OR HAR

Equalizer Installation and Administration Guide 197 G Additional RequirementsShort-Circuit ProtectionWarning This product relies on the building&apos

Configuring the Equalizer NetworkEqualizer Installation and Administration Guide 9 response packets to clients. This port is only used for dual networ

Appendix G: Additional Requirements198 Equalizer Installation and Administration GuideChassis Warning—Rack-Mounting and ServicingWarning To prevent

SpecificationsEqualizer Installation and Administration Guide 199 The power consumption information shown in the tables below was captured during the

Appendix G: Additional Requirements200 Equalizer Installation and Administration GuideOperating Environment• Temperature: 40 - 105 °F, 5 - 40 °C.• Hum

Equalizer Installation and Administration Guide 201 GlossaryThis glossary defines some of the key terms used in this document. Some of the glossary d

Glossary202 Equalizer Installation and Administration Guide1. O. Jacobsen and D. Lynch, Interop, Inc. March 1991. Class A An ISO/IEC 11801 standard f

Equalizer Installation and Administration Guide 203 Envoy Equalizer add-in; software that supports geographic clustering and load balancing. See geogr

Glossary204 Equalizer Installation and Administration GuideICMP See Internet Control Message Protocol.ICMP echo request The act of repeating a stream

Equalizer Installation and Administration Guide 205 latency The time over which a signal travels over a network, from the starting point to the endpoi

Glossary206 Equalizer Installation and Administration Guidephysical server A machine located on the internal network that provides services on specifi

Equalizer Installation and Administration Guide 207 Secure Sockets Layer (SSL) A protocol, which uses public-key encryption, that enables secure commu

Chapter 1: Overview10 Equalizer Installation and Administration GuideUsing Equalizer as a Gateway Between NetworksThe most common Equalizer configurat

Glossary208 Equalizer Installation and Administration Guideswitch A device, which is attached to a network and which controls the route over which dat

Equalizer Installation and Administration Guide 209 Index! 125"A Glossary of Networking Terms" 201&& 126|| 126Aabort server 46

Index210 Equalizer Installation and Administration GuideAverage Ping Time status 113Bback-end server 201backing up configuration 62backup 12defaul

Equalizer Installation and Administration Guide 211 Commit option 25committingchanges to configuration parameters 25computed load 202Computed Load

Index212 Equalizer Installation and Administration Guidedialog boxesAdd Geographic Cluster 155Change Server Parameters 93displayingcluster informati

Equalizer Installation and Administration Guide 213 failover configuration 29failover configuration screen 48failover gatewayalias 14failover peer

Index214 Equalizer Installation and Administration GuideICMP probe 45ICMP triangulation 150, 156, 157, 204ICMP Triangulation checkbox 156, 157ICMP

Equalizer Installation and Administration Guide 215 local name server 6log hours 44, 114logging intoEqualizer console 22logical AND 126logical nam

Index216 Equalizer Installation and Administration GuideOonce only 82operation modes 100Optimization Threshold 76optimization threshold 76optimizi

Equalizer Installation and Administration Guide 217 probe interval 44probe port 72probe timeout 44Probes Missed site value 113problems, solving 1

Configuring the Equalizer NetworkEqualizer Installation and Administration Guide 11 Using Equalizer in a Single Network EnvironmentIf you do not want

Index218 Equalizer Installation and Administration Guideauthoritative name 5, 7, 29, 201back-end 201checking validity 83cluster 207conditions 162

Equalizer Installation and Administration Guide 219 site valueNetwork Latency 113Probes Missed 113Resource Down 113Resource Load 113Site Chosen 1

Index220 Equalizer Installation and Administration Guidetimeserver response 75setting 25sticky 3time and time zone 59Time option 26time period, s

Equalizer Installation and Administration Guide 221 Equalizer Configuration Menu 23, 25Network Configuration 24Wireless Application Protocol (WAP)

Index222 Equalizer Installation and Administration Guide

Chapter 1: Overview12 Equalizer Installation and Administration GuideMost operating systems allow you to specify a host route (gateway) for packets de

Configuring the Equalizer NetworkEqualizer Installation and Administration Guide 13 Figure 9 SamplefailoverconfigurationIn the sample failover confi

Chapter 1: Overview14 Equalizer Installation and Administration GuideFigure 10 shows a sample of the cabling of the Equalizers shown in Figure 9.Figur

Configuring the Equalizer NetworkEqualizer Installation and Administration Guide 15 For example, an ISP hosting several hundred unique web sites repli

Chapter 1: Overview16 Equalizer Installation and Administration Guidethe same outbound NAT setting on both Equalizers. For more information, see “Sett

Equalizer Configuration WorksheetsEqualizer Installation and Administration Guide 17 Equalizer Administration Address: 199.145.85.2. (See Figure 7 on

Equalizer Installation and Administration Guide iii ContentsPreface...

Chapter 1: Overview18 Equalizer Installation and Administration GuideSpecial Configuration Worksheet for Using Reserved IP AddressesEqualizer supports

Equalizer Installation and Administration Guide 19 2 Installing EqualizerBefore You Install EqualizerThe first step in setting up Equalizer is to con

Chapter 2: Installing Equalizer20 Equalizer Installation and Administration Guide6. Connect Equalizer to an appropriate power source using the supplie

Equalizer Installation and Administration Guide 21 3 Configuring Equalizer HardwareAfter you install the Equalizer hardware as shown in Chapter 2, “I

Chapter 3: Configuring Equalizer Hardware22 Equalizer Installation and Administration GuideIf you use HyperTerminal, in addition to the settings shown

Performing Basic Equalizer ConfigurationEqualizer Installation and Administration Guide 23 can use Ctrl-n to select the next menu item or Ctrl-p to se

Chapter 3: Configuring Equalizer Hardware24 Equalizer Installation and Administration GuideThe interfaces shown in the screen above are examples only;

Performing Basic Equalizer ConfigurationEqualizer Installation and Administration Guide 25 the IP address and netmask for the external interface. Use

Chapter 3: Configuring Equalizer Hardware26 Equalizer Installation and Administration Guide1. In the Equalizer Configuration Menu window, select optio

Managing Remote Access to the EqualizerEqualizer Installation and Administration Guide 27 1. In the Equalizer Configuration Menu window, select option

iv Equalizer Installation and Administration GuideStarting to Configure Equalizer ...22Config

Chapter 3: Configuring Equalizer Hardware28 Equalizer Installation and Administration Guide1. Log into the Equalizer hardware configuration utility us

Configuring a Second Equalizer As a Backup (Failover)Equalizer Installation and Administration Guide 29 When you run the Setup program to install, mak

Chapter 3: Configuring Equalizer Hardware30 Equalizer Installation and Administration GuideEnvoy across firewalled networks, you also need to configur

Testing Your Basic ConfigurationEqualizer Installation and Administration Guide 31 Then follow these steps:1. From the internal-network test machine,

Chapter 3: Configuring Equalizer Hardware32 Equalizer Installation and Administration Guide

Equalizer Installation and Administration Guide 33 4 Accessing Browser ControlsIntroducing the Equalizer Administration InterfaceYou use Equalizer’s

Chapter 4: Accessing Browser Controls34 Equalizer Installation and Administration Guide• Firefox Version 2 or later2. From the browser, load the URL t

Accessing the Equalizer Administration InterfaceEqualizer Installation and Administration Guide 35 the currently configured clusters, servers, geograp

Chapter 4: Accessing Browser Controls36 Equalizer Installation and Administration GuideReboot: reboots the Equalizer. If you try to do this while you

Accessing the Equalizer Administration InterfaceEqualizer Installation and Administration Guide 37 menu in the Server Parameters page enables you to c

Equalizer Installation and Administration Guide v Failover Configurations First ...52Enabling

Chapter 4: Accessing Browser Controls38 Equalizer Installation and Administration Guide

Equalizer Installation and Administration Guide 39 5 Configuring Equalizer OperationYou can modify Equalizer’s configuration through the Equalizer Ad

Chapter 5: Configuring Equalizer Operation40 Equalizer Installation and Administration GuideYou’ll need to request a license if:• The left frame of th

Licensing EqualizerEqualizer Installation and Administration Guide 41 If you don’t need to license Equalizer, select Cancel to return to the modfiy sy

Chapter 5: Configuring Equalizer Operation42 Equalizer Installation and Administration Guide1. Follow Steps 1 through 3 of the procedure above.2. Sele

Modifying System ParametersEqualizer Installation and Administration Guide 43 Modifying System ParametersTo view and modify the Equalizer’s system par

Chapter 5: Configuring Equalizer Operation44 Equalizer Installation and Administration Guide• send buffer applies to L7 clusters and is the amount of

Modifying System ParametersEqualizer Installation and Administration Guide 45 The modify system parameters screen displays the following flags that af

Chapter 5: Configuring Equalizer Operation46 Equalizer Installation and Administration Guidenot be translated by Equalizer. Enabling this option tells

Setting Up a Failover ConfigurationEqualizer Installation and Administration Guide 47 Setting Up a Failover ConfigurationYou can set up two Equalizers

vi Equalizer Installation and Administration GuidePerformance Considerations for HTTPS Clusters ...86Managing Servers ...

Chapter 5: Configuring Equalizer Operation48 Equalizer Installation and Administration Guidethat the system that is configured as the default backup w

Setting Up a Failover ConfigurationEqualizer Installation and Administration Guide 49 4. Enter a unique name for the new peer in the peer name field.5

Chapter 5: Configuring Equalizer Operation50 Equalizer Installation and Administration GuideThe receive timeout is the time in seconds that Equalizer

Using Failover with Different Equalizer Models or VersionsEqualizer Installation and Administration Guide 51 Using Failover with Different Equalizer M

Chapter 5: Configuring Equalizer Operation52 Equalizer Installation and Administration Guide4. Perform Steps 1 to 3 on the other Equalizer in the fail

Enabling Outbound NATEqualizer Installation and Administration Guide 53 After Equalizer comes back up, you can create a failover configuration.Enablin

Chapter 5: Configuring Equalizer Operation54 Equalizer Installation and Administration GuideIf you change the stale timeout setting while partially es

Configuring Support for Extended CharactersEqualizer Installation and Administration Guide 55 3. Enable sticky network aggregation by selecting a stic

Chapter 5: Configuring Equalizer Operation56 Equalizer Installation and Administration Guideenable support for 8-bit and multibyte characters in URIs,

Configuring Static RoutesEqualizer Installation and Administration Guide 57 6. Select the commit button.Configuring Static RoutesStatic routes are com

Equalizer Installation and Administration Guide vii Setting Up an SNMP Management Station ...120MIB Description

Chapter 5: Configuring Equalizer Operation58 Equalizer Installation and Administration Guide3. Click on the Add icon . The add static route screen app

Managing System Time and NTPEqualizer Installation and Administration Guide 59 4. Select delete to delete the route. You are returned to the static ro

Chapter 5: Configuring Equalizer Operation60 Equalizer Installation and Administration GuideSetting the System Date and Time1. Select Equalizer > G

Saving or Restoring Your ConfigurationEqualizer Installation and Administration Guide 61 0.uk.pool.ntp.org1.uk.pool.ntp.org2.uk.pool.ntp.orgOr, for th

Chapter 5: Configuring Equalizer Operation62 Equalizer Installation and Administration GuideBacking Up Your ConfigurationTo back up your current confi

Shutting Down EqualizerEqualizer Installation and Administration Guide 63 5. Click restore to upload the configuration file. Equalizer automatically r

Chapter 5: Configuring Equalizer Operation64 Equalizer Installation and Administration Guide

Equalizer Installation and Administration Guide 65 6 Administering Virtual ClustersA virtual cluster is a collection of servers with a single network

Chapter 6: Administering Virtual Clusters66 Equalizer Installation and Administration GuideWorking with Virtual ClustersA virtual cluster acts as the

Working with Virtual ClustersEqualizer Installation and Administration Guide 67 Adding a Virtual ClusterTo add a new virtual cluster, follow these ste

viii Equalizer Installation and Administration GuideAdjusting a Site’s Static Weight ...159Dele

Chapter 6: Administering Virtual Clusters68 Equalizer Installation and Administration Guide• HTTP, Equalizer passes web server requests and route requ

Working with Virtual ClustersEqualizer Installation and Administration Guide 69 The port defined for a server in the cluster for which a port range is

Chapter 6: Administering Virtual Clusters70 Equalizer Installation and Administration Guiderouted to the same selected server for the entire session (

Working with Virtual ClustersEqualizer Installation and Administration Guide 71 will only present the cookie to servers in the coyotepoint.com domain

Chapter 6: Administering Virtual Clusters72 Equalizer Installation and Administration Guide• probe_port is used to select one port on the Equalizer to

Working with Virtual ClustersEqualizer Installation and Administration Guide 73 cluster that the request was received in HTTPS and unencrypted on Equa

Chapter 6: Administering Virtual Clusters74 Equalizer Installation and Administration Guide• certify_client applies to HTTPS clusters and indicates wh

Working with Virtual ClustersEqualizer Installation and Administration Guide 75 server, and so on. When Equalizer reaches the last server, it repeats

Chapter 6: Administering Virtual Clusters76 Equalizer Installation and Administration Guide• Weight Spread Coefficient regulates the speed of change t

Working with Virtual ClustersEqualizer Installation and Administration Guide 77 3. Select menu > Change Cluster Parameters. Equalizer opens the mod

Equalizer Installation and Administration Guide ix Converting a Certificate from PEM to PKCS12 Format ...184Supported Cipher S

Chapter 6: Administering Virtual Clusters78 Equalizer Installation and Administration Guideunder a heavy load. In this case, you might want to set the

Working with Virtual ClustersEqualizer Installation and Administration Guide 79 5. In the server agent port field, specify the port used to contact th

Chapter 6: Administering Virtual Clusters80 Equalizer Installation and Administration GuideEnabling Persistent SessionsEqualizer provides several meth

Working with Virtual ClustersEqualizer Installation and Administration Guide 81 3. Select menu > Change Cluster Parameters. The modify cluster scre

Chapter 6: Administering Virtual Clusters82 Equalizer Installation and Administration GuideEnabling the Once Only Flag for Persistent ConnectionsSince

Working with Virtual ClustersEqualizer Installation and Administration Guide 83 for these headers in every request on the server end, you need to disa

Chapter 6: Administering Virtual Clusters84 Equalizer Installation and Administration GuideEqualizer can perform the same exchange automatically and v

Working with Virtual ClustersEqualizer Installation and Administration Guide 85 verification to succeed, the specified string must appear in the first

Chapter 6: Administering Virtual Clusters86 Equalizer Installation and Administration Guide• configure the Equalizer cluster to add the custom header

Managing ServersEqualizer Installation and Administration Guide 87 • the injection of custom headers to relay to the server the fact that Equalizer te