Feature Explorer AI 
×
Fast reroute provides redundancy for an LSP path. When you enable fast reroute, detours are precomputed and preestablished along the LSP. In case of a network failure on the current LSP path, traffic is quickly routed to one of the detours.
| Feature hierarchy | Feature Name |
|---|---|
| BFD Fast Re-Route / | CLI support for BFD echo and echo-lite modes |
| BFD Fast Re-Route / | Enhancements to BFD-triggered FRR for unicast next hops and forwarding-table session-id-change-limiter-indirect to address issue of traffic being silently discarded |
| BFD Fast Re-Route / | IPv6 address for seamless BFD over static segment routing MPLS LSPs |
| BFD Fast Re-Route / | Seamless - BFD over egress peer engineering (EPE) segment identifiers (SIDs) |
| BFD Fast Re-Route / | Seamless BFD inline mode support for static segment routing LSPs |