diff --git a/docs/configuration/protocols/isis.rst b/docs/configuration/protocols/isis.rst index 18a7c166..1f779d0a 100644 --- a/docs/configuration/protocols/isis.rst +++ b/docs/configuration/protocols/isis.rst @@ -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 + + + 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 + + + This command disables the load sharing across multiple LFA backups. + +.. cfgcmd:: set protocols isis fast-reroute lfa local tiebreaker + index + + + 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 + + + This command will limit LFA backup computation up to the specified + prefix priority. + ******** Examples