Manual :
3-DNS Reference Guide, version 4.2
Applies To:
Show Versions3-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
Introduction
Getting started
Using the Administrator Kit
Finding help and technical support resources
3-DNS Maintenance Menu
Working with the 3-DNS Maintenance menu
Configuring zone files and wide IPs
Viewing statistics
Working with the big3d agent
Managing synchronized files
Working with security issues
Configuring the 3-DNS Configuration utility
- Reconfigure 3-DNS Configuration Utility
- Restart 3-DNS Configuration Utility
- Change/Add Users for 3-DNS Configuration Utility
Working with syncd
Configuring NTP
Configuring NameSurfer
Access Control Lists
The big3d Agent
Working with the big3d agent
Installing the big3d agent
Understanding factories run by big3d agents
Understanding the data collection and broadcasting sequence
Setting up communication between 3-DNS systems and other servers
- Setting up iQuery communications for the big3d agent
- Allowing iQuery communications to pass through firewalls
DNS Resource Records
Understanding DNS resource records
Types of resource records
- A (Address)
- CNAME (Canonical Name)
- MX (Mail Exchange)
- NS (Name Server)
- PTR (Pointer)
- SOA (Start of Authority)
Additional resource record types
Extended Content Verification (ECV)
Working with the ECV Service Monitor
Internet Weather Map
Overview of the Internet Weather Map
- Working with the Average Round Trip Time table
- Working with the Average Completion Rate table
- Working with the Average Router Hops table
Interpreting the Internet Weather Map data
Load Balancing
Working with load balancing modes
Understanding load balancing on the 3-DNS
Configuring load balancing
- Understanding wide IPs
- Understanding pools
- Defining a wide IP
- Using wildcard characters in wide IP names
- An example of the wideip statement
- Using the LDNS round robin wide IP attribute
- Using the last resort pool designation
Changing global variables that affect load balancing
Setting up load balancing for services that require multiple ports
Troubleshooting manual configuration problems
Network Map
Introducing the Network Map
Working with the Network Map
- Viewing the Network Map
- Using the Network Map to review and modify the network configuration
- Using the information table on the Network Map
Production Rules
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 taken
Working with the production rules scripting language
- Inserting production rules in the wideip.conf file
- Executing and managing production rules from the command line
- Working with the if statement
- Working with the when statement
- Working with the every statement
- Defining production rule actions
- Production rule examples
Scripts
Working with scripts
- 3dns_add script
- 3dns_admin_start script
- 3dns_dump script
- 3dns_web_config script
- 3dns_web_passwd script
- 3dnsmaint script
- 3dprint script
- 3ndc script
- big3d_install script
- big3d_restart script
- big3d_version script
- config_ssh script
- edit_lock script
- edit_wideip script
- install_key script
- syncd_checkpoint script
- syncd_rollback script
- syncd_start script
- syncd_stop script
SNMP
Working with SNMP on the 3-DNS
Configuring SNMP on the 3-DNS
Configuring options for the checktrap.pl script
Configuring the 3-DNS SNMP agent using the Configuration utility
Configuring host SNMP settings on the 3-DNS
Configuring the SNMP agent on host servers
Topology
Working with Topology load balancing
Setting up topology records
Using the Topology load balancing mode in a wide IP
Using the Topology load balancing mode in a pool
Understanding user-defined regions
Working with the topology statement in the wideip.conf file
3-DNS Configuration File
Overview of the 3-DNS configuration file
Working with statements
- Syntax rules
- The globals statement
- The server statement
- The datacenter statement
- The sync_group statement
- The wide IP statement
- The topology statement
- Access control lists
Working with comments
Understanding current values
- Server definition current values
- Virtual server definition current values
- Local DNS server paths current values
- Wide IP definition current values
3dpipe Command Reference
bigpipe Command Reference