| Feature hierarchy | Feature Name |
|---|---|
| IS-IS: Loop Free Alternates / | Creating IS-IS topology independent LFA for prefix-SIDs learned from LDP mapping server |
| IS-IS: Loop Free Alternates / | IS-IS Policy Based Loop Free Alternate(LFA) routes |
| IS-IS: Loop Free Alternates / | Loop Free Alternate (LFA) routes for IS-IS |
| IS-IS: Loop Free Alternates / | Remote LFA support for LDP in IS-IS |
| IS-IS: Loop Free Alternates / | Selecting backup LFA for IS-IS routing protocol |
| IS-IS: Loop Free Alternates / | TI-LFA SRLG protection for IS-IS |
| IS-IS: Loop Free Alternates / | Topology-Independent Loop-Free Alternate (TI-LFA) in IS-IS for IPv6-only networks |
| IS-IS: Loop Free Alternates / | Topology-independent loop-free alternate for IS-IS |
| IS-IS: Loop Free Alternates / | Unnumbered interface support for IS-IS with Topology-independent loop-free alternate |