Manual :
3-DNS Reference Guide, version 4.5.10
Applies To:
Show Versions3-DNS Controller versions 1.x - 4.x
- 4.5.14, 4.5.13, 4.5.12, 4.5.11, 4.5.10
Original Publication Date: 03/01/2010
Table of Contents
Introduction
Getting started
Using the Administrator Kit
Finding help and technical support resources
Load Balancing
Working with load balancing modes
Understanding load balancing on the 3-DNS Controller
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
Working with the ECV service monitor
Changing global variables that affect load balancing
Setting up load balancing for services that require multiple ports
Troubleshooting manual configuration problems
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
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 triggers for the production rule
- 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
Probing and Metrics Collection
Overview of probing and metrics collection
Working with the big3d agent
- Collecting path data and server performance metrics
- Setting up data collection 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 Controllers and other servers
- Setting up iQuery communications for the big3d agent
- Allowing iQuery communications to pass through firewalls
Working with SNMP on the 3-DNS Controller
- Configuring SNMP on the 3-DNS Controller
- Configuring options for the checktrap.pl script
- Configuring the 3-DNS SNMP agent using the Configuration utility
- Configuring SNMP settings to probe hosts
- Configuring the SNMP agent on host servers
Working with access control lists
Administration and Monitoring
Monitoring and administration utilities provided on the 3-DNS Controller
Managing user accounts
- Understanding user roles
- Creating and authorizing local user accounts
- Creating and authorizing remote user accounts
- Managing passwords for local user accounts
- Managing system accounts
Managing the SSH Console
Overview of the Network Map
Viewing system statistics
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
Working with command line utilities
- Viewing command line utilities documentation
- Working with the 3-DNS Maintenance menu
- Working with scripts
Configuring Email
Using a serial terminal with the 3-DNS Controller
- Configuring a serial terminal in addition to the console
- Configuring a serial terminal as the console
- Forcing a serial terminal to be the console
Shutting down the 3-DNS Controller
Configuring a Redundant System
Introducing redundant systems
Synchronizing configurations between units
Configuring fail-safe settings
Using network-based fail-over
Setting a specific 3-DNS Controller as the preferred active unit
3-DNS Configuration File
Overview of the 3-DNS configuration file
Working with statements
- Syntax rules
- The globals statement
- The datacenter statement
- The box statement
- The server statement
- The sync_group statement
- The wideip statement
- The topology statement
- Access control lists
Working with comments
3dpipe Command Reference
3dpipe commands
- datacenter (or dc)
- -help (or -h)
- <server type>
- stats
- syncgroup (or sg)
- -version (or -v)
- virtual (or vs)
- wideip (or wip)
bigpipe Command Reference
bigpipe commands
Saving configuration files to an archive
Installing an archived configuration file
Options
Displaying interface information
Setting the media type
Setting the duplex mode
Resetting statistics
Enabling or disabling an interface
Changing driver name mapping
Showing, disabling, and deleting monitors
Options
Creating self IP addresses
Options
Options
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)