From b4b3fb12e20401d0c95022ff38641e5d0f9bf6d2 Mon Sep 17 00:00:00 2001 From: Cheeze_It Date: Sun, 3 Dec 2023 15:08:55 -0700 Subject: Add ISIS fast reroute documentation Adding basic descriptions of ISIS fast reroute documentation. Sadly it's sparse because FRR didn't really document it very deeply. But we'll get more as time goes on. --- docs/configuration/protocols/isis.rst | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'docs/configuration/protocols') 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 -- cgit v1.2.3