To enable LFA and remote LFA on an OSPF instance
Steps
| 1  | In the navigation tree Routing view, expand Network→NE→Routing Instance→OSPFv2 Instance. | 
| 2  | Right-click on the OSPFv2 instance and select Properties. The OSPFv2 Instance (Edit) form opens. | 
| 3  | In the LFA tab, enable Loop-free Alternate and configure the parameters as required. Remote loop-free alternate uses segment routing by default. To configure segment routing, see To configure OSPF segment routing and discover dynamic LSPs. | 
| 4  | Click OK to close the form. End of steps |