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Network Intelligence Service:Work with SLB topology

Last Updated:Apr 01, 2026

The SLB Topology page in Network Intelligence Service (NIS) shows the connections between listeners and backend server groups of a Server Load Balancer (SLB) instance. Use it to verify that traffic is routed as expected and to run diagnostics on Classic Load Balancer (CLB) instances.

Limitations

  • Only CLB instances are supported. The SLB Topology page does not display topologies for other SLB types.

  • Backend server groups must be bound to a listener. Unbound backend server groups are not displayed in the topology.

Generate a topology

  1. Log on to the NIS console.

  2. In the left-side navigation pane, choose Network Topology > SLB Topology.

  3. On the SLB Topology page, select CLB from the SLB Type drop-down list.

  4. Select a region and an instance ID.

  5. Click Generate Topology.

Related operations

OperationSteps
Change the display formatIn the Configure section, select Color Inversion to change the colors of entity icons, or select Show Instance ID to display instance IDs below entity icons.
Filter by listenerIn the Filter section, click Edit. Set Filter Mode to Listener, then select a Listener ID.
Filter by server groupIn the Filter section, click Edit. Set Filter Mode to Server Group, then select a Server Group Type: Default Server Group, Primary/Secondary Server Group, or Virtual Server Group.

Use the entity toolbar

Click any entity in the topology to open the entity toolbar.

View basic information

Click View Basic Information to see the name, status, network type, and type of the entity.

Run instance diagnostics

Click a CLB instance, then click Instance Diagnostics. NIS redirects you to the Diagnostic Details panel where you can review the diagnostic details for that instance.

What's next