Manual :
3-DNS Administrator Guide, version 2.1
Applies To:
Show Versions
3-DNS Controller versions 1.x - 4.x
- 2.1 PTF-01, 2.1.2, 2.1.0
Original Publication Date: 03/01/2010
Introduction to the 3-DNS Controller
Welcome to the 3-DNS Controller
3-DNS Controller specifications
- Internet protocol and network management support
- Security features
- Configuration scalability
- Configuration and monitoring tools
- Browser support
- System synchronization options
- Configurable data collection for server status and network path data
- Redundant system configurations
- IP packet filtering
Managing traffic on a global network
- A sample network layout
- Synchronizing configuration information and broadcasting performance metrics
- Using a 3-DNS Controller as a standard DNS server
- Load balancing connections across the network
- Working with BIG-IP Controllers and other products
What's new in version 2.1
- Dynamic Persistence
- Advanced load balancing to the Cisco LocalDirector
- New load balancing mode
- iQuery enhancements
- BIND Upgrade
- Configurable probe protocols
- Enable/disable option to change status of objects
- Scripts to back up and restore 3-DNS Controller configurations
- Multiple pool support using the Configuration utility
- 3-DNS Controller subnetting
- New probing exclusion lists
- Rollup and rollback scripts
- Network time protocol (NTP) support
- New variable to check principal/receiver status
- Improved log messages
- Single interface management
Finding help and technical support resources
Preparing for Installation
Reviewing the installation tasks
Planning issues for the hardware setup
Planning issues for the network setup
- Defining data centers and servers
- Setting up data collection with the big3d agent
- Setting up SNMP probing for hosts
- Planning sync groups
- Setting up communications between 3-DNS Controllers, BIG-IP Controllers, and big3d agents
Planning issues for the load balancing configuration
- Understanding the wide IP key
- Choosing a load balancing mode
- Ensuring availability for e-commerce, FTP, and other services that use multiple ports
- Using the LDNS round robin wide IP attribute
Using advanced traffic control features
Planning DNS zone file management
- Replacing your DNS servers with 3-DNS Controllers as master DNS servers for your domain
- Running 3-DNS Controllers as DNS masters for only wide IP sub-domains
Setting Up the Hardware
Unpacking and installing the hardware
Reviewing the hardware requirements
- Familiarizing yourself with the 3-DNS Controller hardware
- Environmental requirements and usage guidelines
- Installing and connecting the hardware
Running the First-Time Boot utility
- Gathering the information
- Starting the First-Time Boot utility
- Defining a root password
- Defining a host name
- Configuring a default route
- Configuring a time zone
- Configuring NTP clocks
- Configuring the interfaces
- Configuring remote administration
- Configuring settings for the 3-DNS web server
- Identifying additional controllers in the network
- Configuring the NameSurfer application for zone file management
- Confirming your configuration settings
- Committing your configuration settings to the system
Enabling remote login tools
Preparing workstations for command line access
- Downloading the F-Secure SSH client from the 3-DNS web server
- Downloading the F-Secure SSH client using FTP
- Setting up the F-Secure SSH client on a Windows 95 or Windows NT workstation
- Setting up the F-Secure SSH client on a UNIX workstation
Defining the Network Setup
Setting up a basic configuration
Setting up a data center
Setting up servers
- Defining 3-DNS Controller servers
- Defining BIG-IP Controller servers
- Defining host servers
- Configuring host SNMP settings
- Configuring SNMP agents on hosts
Setting up sync groups
Configuring global variables
Configuring IP filters
Configuring Sendmail
Configuring Basic Load Balancing
Getting started with load balancing
- Understanding load balancing
- Using basic, static load balancing modes
- Using advanced, dynamic load balancing modes
Configuring load balancing
- Understanding wide IPs
- Understanding pools
- Adding a wide IP
- Troubleshooting manual configuration problems
Changing global variables that affect load balancing
Configuring Specialized Load Balancing
Configuring load balancing using specialized modes
Setting up Quality of Service (QOS) mode
Setting up Global Availability mode
Setting up load balancing for services that require multiple ports
Setting up topology-based features
- Setting up topology-based access control
- An example configuration for topology access control
- Using the topology load balancing mode
Monitoring and Administration
Monitoring and administration utilities provided on the 3-DNS Controller
Working with the 3-DNS Maintenance menu
- Configuring wide IPs
- Viewing statistics
- Working with the big3d agent
- Managing synchronized files
- Working with security issues
- Using the 3-DNS web server
- Working with syncd
- Configuring NTP
- Configuring NameSurfer
Changing passwords for the 3-DNS Controller
Viewing system statistics
Configuring SNMP
Working with SNMP on the 3-DNS Controller
- Configuring SNMP on the 3-DNS Controller
- Downloading the MIBs
- Understanding configuration file requirements
- Configuring options for the checktrap script
- Configuring the 3-DNS SNMP agent using the Configuration utility
Controlling Network Traffic Patterns
Controlling network traffic patterns with production rules
Setting up production rules in the Configuration utility
- Viewing, adding, and deleting production rules
- Choosing the rule type
- Defining time-based triggers
- Defining event-based triggers
- Choosing the action
Working with the production rules scripting language
- Inserting production rules in the wideip.conf file
- Executing and managing production rules
- The if statement
- The when statement
- The every statement
- Production rule actions
- Production rule examples
Wideip.conf Syntax
Overview of the wideip.conf file
Using include files
Statements
- Syntax rules
- The globals statement
- The datacenter statement
- The sync_group statement
- The server statement
- The wide IP statement
- The topology statement
- Probing exclusion lists
Comments
Sample 3-DNS Controller configuration file
Sample 3-DNS Controller configuration file using include files
Understanding cur_ values
3-DNS Controller Utilities and Scripts
Using utilities and scripts
Scripts
- 3dns_admin_start
- 3dns_auth
- 3dns_dump
- 3dns_sync_metrics
- 3dns_web_config
- 3dns_web_passwd
- 3dnsmaint
- 3dprint
- 3ndc
- big3d_check
- big3d_install
- big3d_restart
- big3d_version
- edit_lock
- edit_wideip
- install_key and F5makekey
- syncd_checkpoint
- syncd_rollback
- syncd_start
- syncd_stop
BIND 8 Information
BIND 8 overview
Statements
Comments
Converting older configuration files to BIND 8 format
Relating BIND information to 3-DNS Controller wide IP definitions
Replacing your DNS servers with 3-DNS Controllers as master DNS servers for your domain
DNS Resource Records
Overview
Types of resource records
