> Configuration > Agent configuration > Device agents > Self-electing subnet services

Self-electing subnet services

LANDESK Management Suite 2016 introduces a new feature called Self-electing subnet services (SESS). With SESS, managed devices:

  • Self-organize on the same subnet to provide services, allowing automatic fail-over and avoiding duplication of services.
  • Use a smart election process that ranks available devices by configuration and ability to provide the service.
  • Trust each other if they report to the same core server.
  • Use signed messages for SESS security purposes (to avoid impersonation).
  • Use the same client certificates used for CSA access.

With Management Suite 2016, SESS is used for the following tools and services. Other services will be supported in the future.

  • Unmanaged device discovery tool
  • Multicast service
  • PXE boot service
  • Agentless scanner service

Configuring SESS in agent settings

Manage SESS from the client connectivity agent settings. It's enabled by default for Windows devices. As part of the agent settings, you can configure ARP (address resolution protocol) and WAP (wireless access point) discovery settings.

Managing self-electing subnet services

As elected devices with SESS on them report to the core, the core creates a list of subnets it detected and the status of ARP and WAP device discovery on those subnets. This information is available in the Self-electing subnet services tool (Tools > Configuration > Self-electing subnet services).

Use this tool to:

  • Configure default SESS state for newly discovered networks
  • View detected subnets
  • Enable/Disable SESS on devices or networks
  • View the elected device for each subnet
  • Specify the Windows credentials the agentless scanner service should use



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