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Add a Topology Filter Rule

Before you add a topology filter rule, ensure that you have enabled the topology filter service. See Enable the Topology Filter Service.

To add a topology filter rule:

  1. Click Configuration > Network Settings > Topology Filter.

    The Topology Filter page appears.

  2. Click the add (+) icon.

    The Add New Filter page appears.

  3. Configure the fields as per Table 1.
  4. Click OK.

    The new rule is listed on the Topology Filter page.

    Note:

    To change the order of the rules, you can drag and drop the rows to shift them (up or down). The rules sequence or order of rules is significant. The rule at the top of the list has the highest priority when making decisions for the nodes.
  5. Click Save Changes to save the rules and apply the filter rule to the topology map.

    A confirmation message appears indicating that the topology filter data is saved.

  6. Navigate to the Topology (Network > Topology) page to view the changes in the topology map based on the filter rule you applied.

    You can view the filtered status on the Result of Applied Filters page by clicking View > Details or clicking the details icon that appears when you hover over the filter row. Every node in the full topology is listed. The Filtered column indicates Yes if the node was filtered out (excluded), and No if the node was not filtered (still included in the topology).

Table 1: Fields on the Add New Filter Page

Field

Description

Condition Field

Select one of the following fields as a condition for filtering a node:

  • hostname

  • router-id

  • sys-id

Condition Type

Select the type of condition; match or regex (regular expression). For router-id, only match is allowed.

Condition Value

Enter the value to be matched.

Action

Select an Action; either Accept or Reject to include or exclude the node from the topology respectively.

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