Alcatel-Lucent 7450 Manual page 564

Ethernet service switch

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IS-IS and OSPF Support for Loop-Free Alternate Calculation

An LFA SPF policy allows the user to apply specific criteria, such as admin group and SRLG

constraints, to the selection of a LFA backup next-hop for a subset of prefixes that resolve to a

specific primary next-hop. See more details in the section titled "Loop-Free Alternate Shortest

Path First (LFA SPF) Policies" in the Routing Protocols Guide.

7450 ESS MPLS Guide