From 8943fc9f877cbee3301a8261ddd27b4b1f15f174 Mon Sep 17 00:00:00 2001
From: rebortg <github@ghlr.de>
Date: Mon, 30 Nov 2020 20:53:36 +0100
Subject: arrange services and protocols

---
 docs/configuration/protocols/bfd.rst | 117 +++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 docs/configuration/protocols/bfd.rst

(limited to 'docs/configuration/protocols/bfd.rst')

diff --git a/docs/configuration/protocols/bfd.rst b/docs/configuration/protocols/bfd.rst
new file mode 100644
index 00000000..b8fdf489
--- /dev/null
+++ b/docs/configuration/protocols/bfd.rst
@@ -0,0 +1,117 @@
+.. include:: /_include/need_improvement.txt
+
+.. _routing-bfd:
+
+###
+BFD
+###
+
+:abbr:`BFD (Bidirectional Forwarding Detection)` is described and extended by
+the following RFCs: :rfc:`5880`, :rfc:`5881` and :rfc:`5883`.
+
+
+Configure BFD
+=============
+
+.. cfgcmd:: set protocols bfd peer <address>
+
+   Set BFD peer IPv4 address or IPv6 address
+
+.. cfgcmd:: set protocols bfd peer <address> echo-mode
+
+   Enables the echo transmission mode
+
+.. cfgcmd:: set protocols bfd peer <address> multihop
+
+   Allow this BFD peer to not be directly connected
+
+.. cfgcmd:: set protocols bfd peer <address> source [address <address> | interface <interface>]
+
+   Bind listener to specifid interface/address, mandatory for IPv6
+
+.. cfgcmd:: set protocols bfd peer <address> interval echo-interval <10-60000>
+
+   The minimal echo receive transmission interval that this system is capable of handling
+
+.. cfgcmd:: set protocols bfd peer <address> interval multiplier <2-255>
+
+   Remote transmission interval will be multiplied by this value
+
+.. cfgcmd:: set protocols bfd peer <address> interval [receive | transmit] <10-60000>
+
+   Interval in milliseconds
+
+.. cfgcmd:: set protocols bfd peer <address> shutdown
+
+   Disable a BFD peer
+
+
+Enable BFD in BGP
+-----------------
+
+.. cfgcmd:: set protocols bgp <asn> neighbor <address> bfd
+
+   Enable BFD on a single BGP neighbor
+
+.. cfgcmd:: set protocols bgp <asn> peer-group <group> bfd
+
+   Enable BFD on a BGP peer group
+
+
+
+Enable BFD in OSPF
+------------------
+
+.. cfgcmd:: set interfaces ethernet <ethN> ip ospf bfd
+
+   Enable BFD for ospf on a interface
+
+.. cfgcmd:: set interfaces ethernet <ethN> ipv6 ospfv3 bfd
+
+   Enable BFD for ospfv3 on a interface
+
+
+
+Operational Commands
+====================
+
+.. opcmd:: show protocols bfd peer
+
+   Show all BFD peers
+
+   .. code-block:: none
+
+      BFD Peers:
+           peer 198.51.100.33 vrf default interface eth4.100
+                   ID: 4182341893
+                   Remote ID: 12678929647
+                   Status: up
+                   Uptime: 1 month(s), 16 hour(s), 29 minute(s), 38 second(s)
+                   Diagnostics: ok
+                   Remote diagnostics: ok
+                   Local timers:
+                           Receive interval: 300ms
+                           Transmission interval: 300ms
+                           Echo transmission interval: 50ms
+                   Remote timers:
+                           Receive interval: 300ms
+                           Transmission interval: 300ms
+                           Echo transmission interval: 0ms
+
+           peer 198.51.100.55 vrf default interface eth4.101
+                   ID: 4618932327
+                   Remote ID: 3312345688
+                   Status: up
+                   Uptime: 20 hour(s), 16 minute(s), 19 second(s)
+                   Diagnostics: ok
+                   Remote diagnostics: ok
+                   Local timers:
+                           Receive interval: 300ms
+                           Transmission interval: 300ms
+                           Echo transmission interval: 50ms
+                   Remote timers:
+                           Receive interval: 300ms
+                           Transmission interval: 300ms
+                           Echo transmission interval: 0ms
+
+
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