Overview: Integrating BIG-IP DNS (formerly GTM) with other BIG-IP systems on a Setting Up a BIG-IP DNS Redundant System Configuration. Hi, Does anyone have any example GTM configurations to provide GSLB to LTMs? and reading this guide: Having said that, here are some simple configuration commands via tmsh for configuring a GTM for initial use. Integrating BIG-IP GTM Into a Network with BIG-IP LTM Overview: Configuring how and when GTM saves configuration changes GTM never saves changes to the configuration (manual save required).

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A DNS view is a modification of a nameserver configuration based on the community attempting to access it. At an interval specified in the SOA record, secondary zones query the primary zone to check for and obtain updated zone data.

Overlapping generations of a key. Configuring a distributed application provides several advantages: A virtual server can be a member of multiple pools and have different attributes in each pool.

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A related question about the answer: Using ZoneRunner to configure named. Stub zones are similar to secondary zones, except that stub zones contain only the NS records for the zone. When the local nameserver starts or restartsthe nameserver queries the root servers in the hint zone for the most current list of root servers. The root hint is built into BIND version 9.

Getting Started with BIG-IP DNS (formerly GTM)

The Confihuration record, or A record, lists the IP address for a given host name. The zone file for a hint zone specifies an initial set of root nameservers for the zone.


Secondary Zone files for a secondary zone are copies of the principal zone files. The big3d agent on the new primary blade must be up and functioning within 90 seconds the timeout value of the BIG-IP monitor. Zone files for a secondary zone are copies of the principal zone files. The members of a Prober pool perform monitor probes of servers to gather data about the health and performance of the resources on the servers.

Was this resource helpful in solving your issue? Sign Up Login My Support. In the case of host servers, this IP address and port number likely point to the resource itself. A third option might be for GTM to send a request to the data center that is located closest to the client’s source address.

If the active unit goes offline, the standby unit immediately assumes responsibility for managing DNS traffic.

Determine the virtual servers upon which you want the availability of a virtual server to be dependent. This virtual server is also the backup resource for requests that originate from the United States.

The virtual server is now available only when the virtual servers on the dependency list are also available. Zonerunner provides an automatic syntax check and displays error messages to help you write the correct syntax.

The LTM interface through which iQuery communication occurs must have port lockdown set at least to “Default” i. GTM uses that data to conduct load balancing and route client requests to the best-performing resource based on different factors. TXT Text The Text resource record, TXT, allows you to supply any string of information, such as the location of a server or any other relevant information that you want available.


Protocols and ports used by big3d during communications with local DNS servers This table describes the protocols and ports the big3d agent uses to communicate with an LDNS when collecting path data for the local DNS servers. About virtual servers A virtual server is a specific IP address and port number that points to a resource on the network.

Servers contain the virtual servers that are the ultimate destinations of DNS name resolution requests.

Create an additional DNS view to modify the local nameserver configuration to allow a specific community to access it. If at least one member of a Prober pool has green status Availablethe Prober pool has green status.

AskF5 | Manual Chapter: BIG-IP GTM Configuration

About servers A server defines a physical conflguration on the network. F5 Networks recommends that you use stub zones only if you have a specific requirement for this functionality. BIG-IP systems with prober pools.

In general, the New and Pending states are temporary. The number of listeners you create depends on your network configuration and the destinations to which you want to send specific queries. Creating a master DNS zone A master zone is authoritative.

Creating contiguration hint zone Hint zones designate a subset of the root nameservers list. This virtual server is the primary resource for DNS name resolution requests for the company web page that originate from Europe.