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MID Server capabilities

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MID Server capabilities

MID Server capabilities define the specific functions of a MID Server within an IP address range.

Several applications, such as Discovery, Service Mapping, Cloud Management, and Orchestration can use capabilities, IP ranges, and MID Server selection to narrow the pool of MID Servers the applications need.
Note: At least one capability is required for each MID Server used by Orchestration. See MID Servers for Orchestration for more information.

The following capabilities are available by default with Discovery:

  • All
  • Cloud Management
  • Nmap
  • PowerShell
  • Resolve DNS
  • REST
  • SNMP
  • SOAP
  • SSH
  • VMware
  • WMI

Nmap capability

The Nmap capability is only assigned to MID Servers for which the Network Mapper (Nmap) scanner has been installed for credential-less Discovery. This capability cannot be added to or removed from any MID Server manually. For instructions on installing or uninstalling Nmap, see Install and uninstall Nmap on a MID Server

MID Server capability values

Capabilities provided in the base system do not have a defined value string. A MID Server configured to use a capability that has no value can locate any device using that capability's protocol. If a capability has a defined value, the MID Server using that capability finds only those devices using that protocol that match the value string exactly. The exception to this is the Resolve DNS capability, which is configured to resolve any DNS name into an IP address using a partial string match.

Starting with the Kingston release, the [capability name]:[value] combination appears in the slushbucket when you add a capability to a MID Server. This combination allows you to see all the capabilities that have different values, even if the capability name is the same. For example, if you are using the Cloud Management capability, and you use the value field to specify the us-west logical datacenter on one of the capability records, you can see the combination in the Collection list.

Capability name and value combination

Scripted MID Server capability value matching

You can use value tests to create capabilities that find devices using values without requiring exact string matching. Action on these values is controlled by a user-defined script.

The Resolve DNS capability is provided in the base system and is configured to resolve DNS names into IP addresses for devices whose names end with a specified domain name. The capability Value entered is automatically prefaced with a dot during processing to match domain syntax. This value can contain one or more sub-domains, but must include the end of the domain string. Matching devices must end with the identical syntax. The script for the Resolve DNS capability determines if a device name matches the criteria defined by Value. If a match exists, the platform performs the address resolution automatically. For example, if the value for the Resolve DNS capability is, the MID Server with this capability finds and If the value is changed to, then the MID Server finds only lnxlab01.

Note: If Value in the Resolve DNS capability is blank, then all domains match.

To view the script for evaluating this capability, navigate to MID Server > Capability Value Tests and select Resolve DNS from the list.