Dell 3-DNS Spezifikationen

3-DNS® Administrator Guide version 4.5MAN-0046-02

Table of ContentsviiiSetting the interface media type ... 3-7Configuring VL

Chapter 66 - 2Using Topology load balancingThe Topology load balancing mode is optimal for organizations that have data centers in more than one count

Configuring a Globally-Distributed Network3-DNS® Administrator Guide 6 - 3Adding data centers to the globally-distributed network configurationThe fir

Chapter 66 - 42. Click Add 3-DNS on the toolbar.The Add New 3-DNS screen opens.For information and help on the specific settings on any screen in the

Configuring a Globally-Distributed Network3-DNS® Administrator Guide 6 - 57. Once you have configured your first BIG-IP system, you can repeat the pre

Chapter 66 - 6Configuration notesFor the globally-distributed network configuration shown in Figure 6.1, on page 6-1, we have set up one wide IP, labe

Configuring a Globally-Distributed Network3-DNS® Administrator Guide 6 - 7With this topology statement, in our example configuration, queries to resol

Chapter 66 - 8Other resourcesIn addition to setting limits, the 3-DNS Controller provides the following resources to help you maintain your configurat

7Configuring a Content Delivery Network• Introducing the content delivery network• Deciding to use a CDN provider• Setting up a CDN provider configura

Configuring a Content Delivery Network3-DNS® Administrator Guide 7 - 1Introducing the content delivery networkA content delivery network (CDN) is a ne

Table of Contents3-DNS® Administrator Guide ix6Configuring a Globally-Distributed NetworkUnderstanding a globally-distributed network ...

Chapter 77 - 2Reviewing a sample CDN configurationThe two following diagrams illustrate how DNS query resolutions for content delivery networks are pr

Configuring a Content Delivery Network3-DNS® Administrator Guide 7 - 3CDN provider (2C). The CDN provider’s DNS server responds with the IP address of

Chapter 77 - 4Deciding to use a CDN providerThe 3-DNS Controller is well-suited to serve as the wide-area traffic manager (WATM) for CDNs that have ma

Configuring a Content Delivery Network3-DNS® Administrator Guide 7 - 5Setting up a CDN provider configurationThe following sections describe the speci

Chapter 77 - 6Configuration notePlease note that when you are working with more than one 3-DNS Controller, you create your entire configuration on one

Configuring a Content Delivery Network3-DNS® Administrator Guide 7 - 7c) In the Load Balancing Modes, Preferred list, select Round Trip Time.d) In the

Chapter 77 - 8You have now set up the load balancing and delegation pools for your domain. The last required configuration step is to create a topolog

Configuring a Content Delivery Network3-DNS® Administrator Guide 7 - 9Now you have created a topology statement for your CDN, and the 3-DNS Controller

Chapter 77 - 10Monitoring the configurationThe following resources can help you monitor your configuration and troubleshoot problems.◆ You can view pe

8Working with Quality of Service• Overview of Quality of Service• Understanding QOS coefficients• Customizing the QOS equation• Using the Dynamic Rati

Table of ContentsxRunning the 3dns_add script ... 10-4Verifying

Working with Quality of Service3-DNS® Administrator Guide 8 - 1Overview of Quality of ServiceThe Quality of Service mode is a dynamic load balancing m

Chapter 88 - 2Understanding QOS coefficientsTable 8.1 lists each Quality of Service (QOS) coefficient, its scale, a likely upper limit for each, and w

Working with Quality of Service3-DNS® Administrator Guide 8 - 3• EmphasisYou can adjust coefficients to emphasize one normalized metric over another.

Chapter 88 - 4To modify QOS coefficients for a specific wide IP using the Configuration utility1. In the navigation pane, click Wide IPs.2. In the Wid

Working with Quality of Service3-DNS® Administrator Guide 8 - 5To assign QOS coefficients for a specific wide IP from the command line1. Type the foll

Chapter 88 - 6Using the Dynamic Ratio optionWhen the Dynamic Ratio option is turned on, the 3-DNS Controller treats QOS scores as ratios, and it uses

Working with Quality of Service3-DNS® Administrator Guide 8 - 76. Commit the changes to the configuration by typing:3ndc reload pool { name <&q

Chapter 88 - 8

9Working with Global Availability Load Balancing• Overview of the Global Availability load balancing mode• Configuring the Global Availability mode

1Introduction• IMPORTANT HARDWARE INFORMATION• Getting started• Using the Administrator Kit• What is the 3-DNS Controller?• What’s new in version 4.5•

Working with Global Availability Load Balancing3-DNS® Administrator Guide 9 - 1Overview of the Global Availability load balancing modeYou can use the

Chapter 99 - 2Figure 9.1 shows the 3-DNS Controller using the Global Availability load balancing mode. Figure 9.1 Global Availability mode

Working with Global Availability Load Balancing3-DNS® Administrator Guide 9 - 3Configuring the Global Availability modeThe following sections describe

Chapter 99 - 43. On the toolbar, click Modify Pool.The Modify Wide IP Pools screen opens.4. In the Pool Name column, click the name of a pool.The Modi

Working with Global Availability Load Balancing3-DNS® Administrator Guide 9 - 5A Global Availability configuration exampleWith the Global Availability

Chapter 99 - 6

10 Adding a 3-DNS Controller to an Existing Network• Working with multiple 3-DNS Controllers• Preparing to add a second 3-DNS Controller to your netw

Adding a 3-DNS Controller to an Existing Network3-DNS® Administrator Guide 10 - 1Working with multiple 3-DNS ControllersWhen you are working with more

Chapter 1010 - 2Preparing to add a second 3-DNS Controller to your networkBefore you run the 3dns_add script on any additional 3-DNS Controllers you a

Adding a 3-DNS Controller to an Existing Network3-DNS® Administrator Guide 10 - 3Making the existing 3-DNS Controller aware of the additional controll

Chapter 1010 - 4Running the 3dns_add scriptYou can run the 3dns_add script on the new 3-DNS Controller either by using a remote secure shell session,

Adding a 3-DNS Controller to an Existing Network3-DNS® Administrator Guide 10 - 52. In the Server and Big3d columns, make sure the status is up, which

Chapter 1010 - 6If the virtual servers belonging to the wide IP appear in a pattern that reflects the load balancing mode you selected, you have succe

Glossary

Glossary3-DNS® Administrator Guide Glossary-13-DNS Distributed Traffic ControllerThe 3-DNS Distributed Traffic Controller is a wide area load distribu

GlossaryGlossary-2CDN switchingCDN switching is the functionality of the 3-DNS Controller that allows a user to redirect traffic to a third-party netw

Glossary3-DNS® Administrator Guide Glossary-3domain nameA domain name is a unique name that is associated with one or more IP addresses. Domain names

Introduction3-DNS® Administrator Guide 1 - 1IMPORTANT HARDWARE INFORMATIONReferences to hardware and upgrades contained in this document are specific

GlossaryGlossary-4Global Availability modeGlobal Availability is a static load balancing mode that bases connection distribution on a particular serve

Glossary3-DNS® Administrator Guide Glossary-5to try if the preferred method fails, and the fallback method specifies the last load balancing mode to u

GlossaryGlossary-6NS recordA name server (NS) record is used to define a set of authoritative name servers for a DNS zone. A name server is considered

Glossary3-DNS® Administrator Guide Glossary-7pool ratioA pool ratio is a ratio weight applied to pools in a wide IP. If the Pool LB mode is set to Rat

GlossaryGlossary-8Quality of Service load balancing modeThe Quality of Service load balancing mode is a dynamic load balancing mode that bases connect

Glossary3-DNS® Administrator Guide Glossary-9root name serverA root name server is a master DNS server that maintains a complete DNS database. There a

GlossaryGlossary-10standby unitA standby unit is a system in a redundant system that is always prepared to become the active unit if the active unit f

Glossary3-DNS® Administrator Guide Glossary-11topology recordA topology record specifies a score for a local DNS server location endpoint and a virtua

GlossaryGlossary-12watchdog timer cardThe watchdog timer card is a hardware device that monitors the 3-DNS Controller for hardware failure.wide IPA wi

Index

Chapter 11 - 2◆ Working with Global Availability Load BalancingThis chapter describes the components of the Global Availability load balancing mode.◆

Index3-DNS® Administrator Guide Index-1/etc/hosts file 4-13-DNS Maintenance menuabout 1-33-DNS modesconfiguring 3-113dns_add scriptabout 10-1a

IndexIndex-2default IP addressesalternate address 3-2and IP alias 3-3overview 3-2preferred address 3-2default root password 3-2default route

Index3-DNS® Administrator Guide Index-3Llast resort poolusing in a CDN configuration 7-9LDAP 1-10LED indicators 3-7limits settingsmodifying thre

IndexIndex-4routers, host names 4-1RSHconfiguring 3-16rsh utilities 2-9Ssample 3-DNS configuration 2-1sample configurationbig3d agent communic

Index3-DNS® Administrator Guide Index-5user accounts 1-9user authorization 1-10user authorization roles 1-10utilities3-DNS Maintenance menu 1-

Introduction3-DNS® Administrator Guide 1 - 3Please note that your license allows you to manage a maximum of 100 IP addresses in the NameSurfer applica

Chapter 11 - 4◆ 3-DNS Reference GuideThe 3-DNS Reference Guide provides basic descriptions of individual 3-DNS objects, such as wide IPs, pools, virtu

Introduction3-DNS® Administrator Guide 1 - 5Identifying command syntaxWe show actual, complete commands in bold Courier text. Note that we do not incl

Chapter 11 - 6• Set up load balancing among BIG-IP systems, EDGE-FX Caches, and other load-balancing hosts• Monitor real-time network conditionsIntern

Introduction3-DNS® Administrator Guide 1 - 7Controller supports a variety of media options, including Fast Ethernet, and Gigabit Ethernet; the 3-DNS C

Chapter 11 - 8The 3-DNS Controller actually supports two methods of checking the status of the peer system in a redundant system:◆ Hardware-based fail

Introduction3-DNS® Administrator Guide 1 - 9Once the 3-DNS Controller returns a DNS answer to an LDNS, the conversation between the LDNS and the 3-DNS

Chapter 11 - 10Expanded statisticsThe statistics screens on the 3-DNS Controller have been enhanced and expanded. You can now view statistics for the

Introduction3-DNS® Administrator Guide 1 - 11Finding help and technical support resourcesYou can find additional technical documentation about the 3-D

Chapter 11 - 12

2 Planning the 3-DNS Configuration• Managing traffic on a global network• Planning issues for the network setup• Choosing the 3-DNS mode• Planning is

Planning the 3-DNS Configuration3-DNS® Administrator Guide 2 - 1Managing traffic on a global network

3-DNS® Administrator Guide iProduct VersionThis manual applies to version 4.5 of 3-DNS® Controller.Legal NoticesCopyrightInformation in this document

Chapter 22 - 2Figure 2.1 A sample network layout showing data pathsSynchronizing configurations and broadcasting performance metrics3-DNS Controller

Planning the 3-DNS Configuration3-DNS® Administrator Guide 2 - 3the big3d agents collect the data, they each broadcast the collected data to all syste

Chapter 22 - 4Figure 2.2 illustrates the specific steps in the name resolution process.1. The client connects to an Internet Service Provider (ISP) an

Planning the 3-DNS Configuration3-DNS® Administrator Guide 2 - 5◆ EDGE-FX systemsAn EDGE-FX virtual server maps to cached content that gets refreshed

Chapter 22 - 6Planning issues for the network setupAfter you finish running the Setup utility, and connect each system to the network, you can set up

Planning the 3-DNS Configuration3-DNS® Administrator Guide 2 - 7can only be configured using the Setup utility or its components. (To make changes to

Chapter 22 - 8group receive broadcasts of metrics data from the big3d agents. All members of the sync group also receive broadcasts of updated configu

Planning the 3-DNS Configuration3-DNS® Administrator Guide 2 - 9◆ 3-DNS Controllers communicating with other 3-DNS ControllersTo allow 3-DNS Controlle

Chapter 22 - 10big3d agent, managing the factories, opening the UDP ports, and working with firewalls, review Chapter 5, Probing and Metrics Collectio

Planning the 3-DNS Configuration3-DNS® Administrator Guide 2 - 11Using the 3-DNS synchronization featuresIf you use the advanced synchronization featu

iiStandards ComplianceThe product conforms to ANSI/UL Std 1950 and Certified to CAN/CSA Std. C22.2 No. 950.AcknowledgmentsThis product includes softwa

3Using the Setup Utility• Creating the initial software configuration with the Setup utility• Connecting to the 3-DNS Controller for the first time• U

Using the Setup Utility3-DNS® Administrator Guide 3 - 1Creating the initial software configuration with the Setup utilityOnce you install and connect

Chapter 33 - 2Connecting to the 3-DNS Controller for the first timeThe Setup utility prompts you to enter the same information, whether you run the ut

Using the Setup Utility3-DNS® Administrator Guide 3 - 3To set up an IP alias for the alternate IP addressThe IP alias must be in the same network as t

Chapter 33 - 44. On the Configuration Status screen, click Setup Utility.5. Fill out each screen using the information from the Setup utility configur

Using the Setup Utility3-DNS® Administrator Guide 3 - 5NoteYou can rerun the Setup utility at any time using the setup command. Using the Setup utilit

Chapter 33 - 6Host nameThe host name identifies the 3-DNS Controller itself. Host names must be fully qualified domain names (FQDNs). The host portion

Using the Setup Utility3-DNS® Administrator Guide 3 - 7Setting the interface media typeConfigure media settings for each interface. The media type opt

3-DNS® Administrator Guide iiiThis product includes Malloc library software developed by Mark Moraes. (© 1988, 1989, 1993, University of Toronto).This

Chapter 33 - 8NoteThe IP address of the external VLAN is not the IP address of your site or sites. The IP addresses of the sites themselves are specif

Using the Setup Utility3-DNS® Administrator Guide 3 - 93-DNS web server configuration also requires that you define a password for the admin user. If

Chapter 33 - 10When the Setup utility prompts you to enter an IP address for administration, you can type a single IP address or a list of IP addresse

Using the Setup Utility3-DNS® Administrator Guide 3 - 11Configuring the 3-DNS modeThe 3-DNS Controller can run in three different modes: node, bridge,

Chapter 33 - 12Using the local LDAP database onlyWhen you run the Setup utility, you are not required to configure an external LDAP or RADIUS database

Using the Setup Utility3-DNS® Administrator Guide 3 - 13users. For detailed instructions on setting roles for users, see Managing user accounts, in Ch

Chapter 33 - 142. Edit the zone file information as required.For help with the NameSurfer application, click Help in the NameSurfer navigation pane.No

Using the Setup Utility3-DNS® Administrator Guide 3 - 15• Configure Telnet• Set time zone• Remote authentication• License activation• Configure remote

Chapter 33 - 16want to embed as objects in the portal object reference. Typically, in a redundant system, this list includes the fail-over IP address

Using the Setup Utility3-DNS® Administrator Guide 3 - 17If the service port for FTP is closed, this utility opens the service port to permit FTP conne

iv

Chapter 33 - 18

4Post-Setup Tasks• Introduction• Configuring the interfaces• Working with VLANs• Configuring a self IP address

Post-Setup Tasks3-DNS® Administrator Guide 4 - 1IntroductionSetting up the base network for the 3-DNS Controller means configuring elements such as th

Chapter 44 - 2Configuring the interfacesTypically, a 3-DNS Controller has two network interfaces. The following sections describe the naming conventio

Post-Setup Tasks3-DNS® Administrator Guide 4 - 3Setting the media typeYou can set the media type for the interface card either to the specific media t

Chapter 44 - 4Working with VLANsA VLAN is a grouping of separate 3-DNS Controller networks that allows those networks to behave as if they were a sing

Post-Setup Tasks3-DNS® Administrator Guide 4 - 5Figure 4.3 Simple VLAN configuration for a 3-DNS ControllerVLAN flexibility is such that separate IP

Chapter 44 - 6To rename or delete a VLAN using the Configuration utility1. In the navigation pane, click Network.The VLANs screen opens.2. In the VLAN

Post-Setup Tasks3-DNS® Administrator Guide 4 - 7Configuring packet access to VLANsThe 3-DNS Controller supports two methods for sending and receiving

Table of Contents

Chapter 44 - 8Each time you add an interface to a VLAN, either when creating a VLAN or modifying its properties, you can designate that interface as a

Post-Setup Tasks3-DNS® Administrator Guide 4 - 9To configure tag-based access on an existing VLAN using the Configuration utilityConfiguring tag-based

Chapter 44 - 10To enable or disable port lockdown using the Configuration utility1. In the navigation pane, click Network.The VLAN screen opens.2. Cli

Post-Setup Tasks3-DNS® Administrator Guide 4 - 11To set the fail-over timeout and arm the fail-safe from the command lineUsing the vlan command, you m

Chapter 44 - 12Find the MAC address on both the active and standby units, and pick one that is similar but unique. A safe technique for selecting the

Post-Setup Tasks3-DNS® Administrator Guide 4 - 133. Click the Add button.4. In the IP Address box, type the self IP address to be assigned.5. In the N

Chapter 44 - 14

5 Essential Configuration Tasks• Reviewing the configuration tasks• Setting up a basic configuration• Setting up a data center• Setting up servers• W

Essential Configuration Tasks3-DNS® Administrator Guide 5 - 1Reviewing the configuration tasksOnce you have completed the Setup utility, you set up th

Chapter 55 - 2Setting up a basic configurationEach 3-DNS Controller in the network setup must have information regarding which data center houses spec

Essential Configuration Tasks3-DNS® Administrator Guide 5 - 3domain name to a pool of virtual servers, and it specifies the load balancing modes that

Chapter 55 - 4Figure 5.1 Example of a multiple data center setupWhen you add servers to the network setup, you assign the servers to the appropriate

Essential Configuration Tasks3-DNS® Administrator Guide 5 - 5Setting up serversThere are five types of servers you can configure on a 3-DNS Controller

Chapter 5

Essential Configuration Tasks3-DNS® Administrator Guide 5 - 7To add virtual servers using the Configuration utility1. In the navigation pane, expand t

Chapter 55 - 85. Add the rest of the settings as needed.Note: When you have finished defining the BIG-IP system, you can add the 3-DNS Controller modu

Essential Configuration Tasks3-DNS® Administrator Guide 5 - 93. Add the new router settings. For help on defining a router, click Help on the toolbar.

Chapter 55 - 10If you do not turn on Discovery when you add the EDGE-FX system to the configuration, then use the following procedure to add virtual s

Essential Configuration Tasks3-DNS® Administrator Guide 5 - 11ImportantAuto-configuration automatically collects the virtual server configuration info

Table of Contents3-DNS® Administrator Guide vii1IntroductionIMPORTANT HARDWARE INFORMATION ...

Chapter 55 - 12Configuring host SNMP settingsAfter defining a host server, you need to configure its SNMP settings if you want to use SNMP host probin

Essential Configuration Tasks3-DNS® Administrator Guide 5 - 13Viewing host performance metricsThe Configuration utility displays the host metrics in t

Chapter 55 - 14To define a sync group using the Configuration utility1. In the navigation pane, click 3-DNS Sync.The System - Add a New Sync Group scr

Essential Configuration Tasks3-DNS® Administrator Guide 5 - 154. Save and close the file.5. Commit the changes to the configuration by typing:3ndc rel

Chapter 55 - 16host systems in the network. Instead, you must make all changes to the configuration either by using the Configuration utility, or by e

Essential Configuration Tasks3-DNS® Administrator Guide 5 - 173. In the Discovery box, select one of the following settings: ON, ON/NO DELETE, or OFF.

Chapter 55 - 18

6Configuring a Globally-Distributed Network• Understanding a globally-distributed network• Using Topology load balancing• Setting up a globally-distri

Configuring a Globally-Distributed Network3-DNS® Administrator Guide 6 - 1Understanding a globally-distributed networkWhen you are familiar with your