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Network agents ​

A screen for checking whether Neutron (network) agents are running properly on each host. When a network failure occurs (a VM cannot get an IP, external communication fails, etc.), you can quickly narrow down the cause by seeing which agent is Down/Disabled.

  • Path: Cloud Builder › System Info › Network Agents
  • Search: Attribute-based text search (default filter key: Name)
  • No checkboxes · CSV export supported

For Service State/Status definitions, see Compute nodes — Status definitions. Type is one of OVN Metadata agent / OVN Controller agent / OVN Controller Gateway agent / DHCP agent, etc.

From the left sidebar, move to each screen.

Sidebar (SNB)
No.FeatureItemDescription
1-1ServersServers· Bare-metal server inventory (register, allocate, delete).
1-2Host aggregatesHost aggregates· Logical groups of hosts.
1-3Availability zonesAvailability zones· Availability zones (AZ).
1-4Compute servicesCompute services· Service endpoint status.
1-5Compute nodesCompute nodes· Nodes, hypervisors, and resource providers.
1-6Network agentsNetwork agents· Neutron agent status.
1-7Block storage servicesBlock storage services· Cinder services and backends.
1-8Orchestration servicesOrchestration services· Heat engine status.

Search the list by attribute.

Search

List table ​

Neutron agent status. Click Name to open details (Basic info, Configuration).

List table
No.FeatureItemDescription
3-1ColumnsService state🟢 Up / 🔴 Down.
Name / TypeAgent name (detail link) / type such as OVN·DHCP.
Host / Availability zoneHost / availability zone.
Service statusEnabled / Disabled.
ActionEnable / Disable.

Enable / Disable ​

From the row action menu, change the agent's policy status. The confirmation text is "Change this agent status to {Enabled/Disabled}?", and a Reason is required when disabling. For modal details and follow-up, see Compute nodes — Enable/Disable.

Disable entry (row action) ​

Choose Disable from the row menu (when Enabled).

Disable entry (row action)

Disable confirmation modal ​

Excludes it from scheduling (policy status Disabled). A Reason is required.

Disable confirmation modal
No.FeatureItemDescription
2-1CancelCancel· Close.
2-2DisableDisable· Apply after entering a Reason. The status changes to Disabled.

Agent details ​

Click the Name link to go to the individual agent details.

  • Header InfoGrid: Service State · Service Status · ID (copy) · Created at
  • Header buttons: The action opposite to the current status (Disable/Enable)
  • Basic Information tab: Type · Host · Availability zone · Topic · Resources synced · Heartbeat timestamp · Started at · Description
  • Configuration tab: Shows the agent's configurations as a JSON view, with Copy at the top right to copy everything

Next Steps ​

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