Manual : 3-DNS Administrator Guide, version 4.2

Applies To:

Show Versions Show Versions

3-DNS Controller versions 1.x - 4.x

  • 4.2 PTF-10, 4.2 PTF-09, 4.2 PTF-08, 4.2 PTF-07, 4.2 PTF-06, 4.2 PTF-05, 4.2 PTF-04, 4.2 PTF-03, 4.2 PTF-02, 4.2 PTF-01, 4.2.0
Original Publication Date: 03/01/2010

Table of Contents


Getting started

Choosing a configuration tool
Browser support

Using the Administrator Kit

Stylistic conventions

What is the 3-DNS?

Internet protocol and network management support
Security features
Configuration scalability
System synchronization options
Configuring data collection for server status and network path data
Redundant system configurations

What's new in version 4.2

Custom regions for Topology
Router, bridge, and node modes
Internet Weather Map
ECV search string
Setup utility

Finding help and technical support resources

Planning the 3-DNS Configuration

Managing traffic on a global network

Understanding a basic 3-DNS configuration
Synchronizing configurations and broadcasting performance metrics
Using a 3-DNS as a standard DNS server
Load balancing connections across the network
Working with 3-DNS systems and other products

Planning issues for the network setup

Configuring the base network
Defining data centers and servers
Planning a sync group
Setting up communications on a 3-DNS

Choosing the 3-DNS mode

Running a 3-DNS in node mode
Running a 3-DNS in bridge mode or router mode

Planning issues for the load balancing configuration

Using advanced traffic control features

Setting Up the Hardware

Unpacking and installing the hardware

Reviewing the hardware requirements
Familiarizing yourself with the 3-DNS hardware
Environmental requirements and usage guidelines
Installing and connecting the hardware

Addressing hardware configuration issues

Setting up a stand-alone unit or a redundant system
Setting up fail-over for a redundant system
Using more than one network interface

Setting up automatic DNS zone file management

Preparing workstations for command line access

Using a serial terminal

Configuring Sendmail

Finding the mail exchanger for your domain
Setting up Sendmail

Shutting down the 3-DNS

Working with the Setup Utility

Creating the initial configuration with the Setup utility

Connecting to the 3-DNS for the first time

Running the utility from a console or serial terminal
Running the Setup utility remotely
Starting the Setup utility from a web browser
Starting the Setup utility from the command line

Using the Setup utility for the first time

Setting the keyboard type
Defining the root password
Defining the system host name
Configuring a default gateway pool
Configuring a redundant system's settings
Setting the interface media type
Configuring VLANs and IP addresses
Configuring remote web server access
Setting the time zone
Configuring the 3-DNS mode
Configuring remote administrative access
Initializing the iControl portal
Configuring NTP support
Configuring NameSurfer for zone file management

Running the Setup utility after creating the initial configuration

Additional configuration options in the Setup utility

Configuring the Base Network


Configuring the interfaces

Understanding the interface naming convention
Displaying status for interfaces
Setting the media type
Setting the duplex mode

Configuring a self IP address

Configuring trunks

Working with VLANs

Interface group VLANs and the default VLAN mapping
Working with the VLAN commands
Configuring tagged VLANs
Setting up security for VLANs
Setting fail-safe timeouts for VLANs
Setting the MAC masquerade address

Essential Configuration Tasks

Reviewing the configuration tasks

Setting up a basic configuration

Setting up a data center

Setting up servers

Defining 3-DNS systems in the configuration
Defining BIG-IP systems
Defining a BIG-IP with the 3-DNS module in the configuration
Defining a GLOBAL-SITE in the configuration
Defining EDGE-FX Caches
Defining host servers
Configuring host SNMP settings

Working with sync groups

Configuring sync groups
Setting the time tolerance value

Configuring global variables

Configuring a Globally-Distributed Network

Understanding a globally-distributed network

Using Topology load balancing

Setting up a globally-distributed network configuration

Adding data centers to the globally-distributed network configuration
Adding 3-DNS systems to the globally-distributed network configuration
Adding BIG-IP systems to the globally-distributed network configuration
Adding wide IPs to the globally-distributed network configuration
Configuring topology records for the globally-distributed network configuration

Additional configuration settings and tools

Setting limits thresholds
Other resources

Configuring a Content Delivery Network

Introducing the content delivery network

Using the 3-DNS in a CDN
Reviewing a sample CDN configuration

Deciding to use a CDN provider

Setting up a CDN provider configuration

Adding data centers
Adding 3-DNS systems
Adding load balancing servers
Adding wide IPs and pools
Adding a topology statement

Ensuring resource availability

Monitoring the configuration

Working with Quality of Service

Overview of Quality of Service

Understanding QOS coefficients

Customizing the QOS equation

Using the Dynamic Ratio option

Working with Global Availability Load Balancing

Overview of the Global Availability load balancing mode

Configuring the Global Availability mode

A Global Availability configuration example

Adding a 3-DNS to an Existing Network

Working with more than one 3-DNS in the network

Preparing to add a second 3-DNS to your network

Installing the hardware and running the Setup utility
Making the existing 3-DNS aware of the additional system

Running the 3dns_add script

Verifying the configuration

Administration and Monitoring

Monitoring and administration utilities provided on the 3-DNS

Managing users on the 3-DNS

Changing the root password
Adding users for the Configuration utility

Using the MindTerm SSH Console

Using the Network Map

Viewing system statistics

Working with command line utilities

Viewing command line utilities documentation