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authorrebortg <github@ghlr.de>2024-01-13 23:12:29 +0100
committerrebortg <github@ghlr.de>2024-01-14 21:11:10 +0100
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@@ -302,6 +302,34 @@ Timers
control the timing of the execution of SPF calculations in response
to IGP events. The process described in :rfc:`8405`.
+Loop Free Alternate (LFA)
+-------------------------
+
+.. cfgcmd:: set protocols isis fast-reroute lfa remote prefix-list <name>
+ <level-1|level-2>
+
+ This command enables IP fast re-routing that is part of :rfc:`5286`.
+ Specifically this is a prefix list which references a prefix in which
+ will select eligible PQ nodes for remote LFA backups.
+
+.. cfgcmd:: set protocols isis fast-reroute lfa local load-sharing disable
+ <level-1|level-2>
+
+ This command disables the load sharing across multiple LFA backups.
+
+.. cfgcmd:: set protocols isis fast-reroute lfa local tiebreaker
+ <downstream|lowest-backup-metric|node-protecting> index <number>
+ <level-1|level-2>
+
+ This command will configure a tie-breaker for multiple local LFA backups.
+ The lower index numbers will be processed first.
+
+.. cfgcmd:: set protocols isis fast-reroute lfa local priority-limit
+ <medium|high|critical> <level-1|level-2>
+
+ This command will limit LFA backup computation up to the specified
+ prefix priority.
+
********
Examples