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GEO Release Notes

Refer to the sections below for details about firmware version This was released on 8th May 2019.

New Features

No new features were added.

Feature Enhancements

The following feature enhancements are implemented in this firmware update:

  • GSLB cluster checker mapping enhancement.
    • In the FQDN configuration under Global Balancing -> Manage FQDNs the cluster checker mapping menu list now displays the Virtual Service name as well as the IP and Port information. 
  • Improved GEO Statistics have been added to the Global Balancing feature.
    • A new WUI page named GEO Statistics has been added under the Global Balancing menu.
    • This page is divided into a number of sections as follows:
      • GSLB Service Status:
        • Boot time:
          • This is the time the GSLB feature was enabled or the last LoadMaster boot time.
        • Last configuration:
          • The time the configuration was last changed.
      • FQDN Statistics:
        • Details of the FQDN domains configured including name, IP Address, number of requests per second being received and the total request count.
      • Queries:
        • Information on the Query type and the number of request received for that type.
      • DNS Request Information:
        • Information on the type, description and number of requests received.
    • REST and PowerShell API commands have been created to display these statistics. 

Issues Resolved


An issue where the defined netmask for an additional static route on any interface when added gets defaulted to /64 has been fixed.


LoadMaster VLM GSLB functionality has been fixed in Azure.


Log partition Disk Usage on the LoadMaster WUI under Statistics >> Real Time Statistics is now available when using the REST and PowerShell API commands.


Previously, the LM with Allow Multi-Interface Access set would not allow access to the WUI on any port other than the default port 443.

Now, this has been resolved and the LM WUI can be accessed on any set port on any interface once Multi-Interface Access is set.


Previously, the LDAP response timeout could not be configured and was defaulted to 5 seconds. 

Now, the LDAP timeout can be configure within the range of 5 to 60 secs.


Previously, when an Alternate Gateway was set in a cloud environment networking issues occurred.

Now, this option has been removed for the GEO LoadMaster for cloud environments to remove the risk of networking issues.


Known Issues


The GEO LoadMaster RESTful API will not upload SSH Private keys which are larger than 4096 bytes in size.


Elliptic Curve Cryptography (ECC) certificates in pfx format cannot be uploaded to the GEO LoadMaster.


Spurious OS kernel level warning messages are outputted but are not service affecting.


The following RESTful API commands are missing the VS service name from the GEO Mapping configuration: listclusters and showcluster.


A Hyper-V GEO Virtual LoadMaster (VLM) will not boot when a 4th NIC is added.


If an Azure GEO VLM is downgraded to the LTS firmware 2.2.35.x the UI displays in the top right hand corner that it is a Hyper-V GEO VLM. This does not affect the function of the VLM.


Issues exist with replication of GEO cluster configuration across nodes.


IPv6 is not supported by the current RADIUS implementation in the GEO LoadMaster for WUI Authorization.


The WUI is not accessible on NIC-1 from a non-local subnet.


If a GEO FQDN is configured with All Available as the Selection Criteria, IP addresses are returned even if the cluster is disabled.


GEO does not support DNS TCP requests from unknown sources.


GEO Location Based failover does not work as expected.


GEO Proximity and Location Based scheduling do not work with IPv6 source addresses.