To configure an OSPF interface

Purpose

The OSPF interface parameters can differ from the OSPF routing instance parameters configured in To configure OSPF on a default routing instance or a VRF routing instance . Interface parameters specify the interface routing levels. Interface level capabilities are compared to the router-wide level capabilities to determine the type of level 1, level 2, and level 1 and 2 adjacencies that are created between devices.

Steps
 

Enable the OSPF protocol on a routing instance, as described in To enable OSPF on a routing instance . If no OSPF instance exists, you must create one by performing To configure OSPF on a default routing instance or a VRF routing instance .


In the navigation tree Routing view, perform one of the following:

  1. For NEs that support multiple OSPF instances, expand Network→NE→Routing Instance→OSPFvN Instances, where N is the OSPF version number; for example, 2 or 3.

  2. For all other supported devices, expand Network→NE→Routing Instance→OSPFvN, where N is the OSPF version number; for example, 2 or 3.


Perform one of the following:

  1. For NEs that support multiple OSPF instances, right-click on the appropriate OSPFvN Instances icon and choose Create OSPFvN Interface. The OSPF Interface (Create) form opens. Go to Step 4.

  2. For all other supported devices, right-click on the appropriate OSPFvN icon and choose Properties. The OSPF Interface, Routing instance, OSPFvN instance (Edit) form opens. Go to Step 4.


Configure the required parameters on the Segment Routing tab.

You cannot configure the SID Type or SID Value parameter on a network interface that is not loopback enabled or that is on a service interface. In the navigation tree Routing view, expand Network→NE→Routing Instance→Interface, right-click on the interface and choose Properties. Configure the Loopback Enabled parameter on the Network Interface (Edit) form.


Configure the required parameters on the Flexible Algorithms tab.

You cannot configure the SID Type or SID Value parameter on a network interface that is not loopback enabled or that is on a service interface. In the navigation tree Routing view, expand Network→NE→Routing Instance→Interface, right-click on the interface and choose Properties. Configure the Loopback Enabled parameter on the Network Interface (Edit) form.

  1. Click Search to populate a list of flexible algorithms.

  2. Choose a flexible algorithm and click Properties, or click Create. The Interface Flexible Algorithm (Create|Edit) form opens.

  3. Configure the Flexible Algorithm ID parameter.

  4. Click OK.

Repeat this step to add additional flexible algorithms as needed.


Configure the required parameters on the Authentication and Policies tabs.


Save your changes and close the form.

End of steps