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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About listeners A listener is a specialized virtual server that passively checks for DNS packets on port 53 and the IP address you assign to the listener. Link names are limited to 63 characters. The number of listeners you create depends on your network configuration and the destinations to which you want to send specific queries. The Address record, or A record, lists the IP address for a given host name. Prober pool statistics displayed per system. A virtual server can be a member of multiple pools and have different attributes in each pool.

A host is a network resource that is not a part of the BIG-IP product family and does not provide load balancing. Gather the following information about the routers that you want to define as links: Enabling global traffic configuration synchronization Enable global traffic configuration synchronization options and assign a name to the GTM synchronization group.

Secondary Zone files for a secondary zone are copies of the principal zone files. Using views, you can build multiple nameserver configurations on the same server, and have those configurations apply dynamically when the request originates from a specified source.


In the case of host servers, this IP address and port number likely point to the resource itself. Fri Mar 11 When you want to load balance outbound traffic to a router with the lowest fees first, configure the links that represent your routers for price weighting.

A distributed application associated with that wide IP also becomes unavailable. Probe using UDP or the traceroute utility. When you design your network, ensure that this particular pool is kept in reserve and not used as part of the normal global server load balancing. Determine the virtual servers upon which you want the availability of a virtual server to be dependent.

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If you are using NTP, leave this setting at the default value of Every zone needs at least one nameserver. You can use one or more question marks or asterisks, or both question marks and asterisks in a wide IP name or alias.

The SOA record indicates that a nameserver is authoritative for a zone. Perform these steps on both the active and standby systems. Stub zones are similar to secondary zones, except that stub zones contain only the NS records for the zone. IP addresses Data Center location.

AskF5 | Manual Chapter: BIG-IP GTM Configuration

All of the resources on your network are associated with a data center. When you assign a Prober pool to a data center, by default, the servers in that data center inherit that Prober pool. DNS file type Description SOA Start of authority The start of authority resource record, SOA, starts every zone file and indicates that a nameserver is the best source of information for a particular zone.

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F5 Networks recommends that you use stub zones only if you have a specific requirement for this functionality. Servers contain the virtual servers that are the ultimate destinations of DNS name resolution requests.

Unlike other resource records, you create a SOA record only when you create a new master zone file. These records substitute the suffix of one 5f name with another.

Using ZoneRunner to configure named. Configuring a wide IP with a last resort pool Ensure that a pool of virtual servers that is not part of the normal global server configurationn balancing operations exists in the configuration. Create a wide Configugation to map a FQDN to one or more pools of virtual servers that host the content of the domain, and assign a last resort pool to the wide IP.

Create a wide IP using wildcard characters in the name to represent a domain when you have a large quantity of aliases that you want to use for the domain.

About wildcard listeners A wildcard listener is a special listener that is assigned an IP address of 0. A good, concise example.