From 813a89208a3af0bb5101e0a982b4d432d0c2b4fc Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Sun, 17 Nov 2019 19:58:18 +0100
Subject: bgp: add intro snippet from FRRouting docs

---
 docs/routing/bgp.rst | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/docs/routing/bgp.rst b/docs/routing/bgp.rst
index d2c60853..aa46fcc5 100644
--- a/docs/routing/bgp.rst
+++ b/docs/routing/bgp.rst
@@ -1,7 +1,12 @@
-.. _routing-bgp:
+.. _bgp:
 
-Border Gateway Protocol (BGP)
------------------------------
+BGP
+---
+
+:abbr:`BGP` stands for Border Gateway Protocol. The latest BGP version is 4.
+BGP-4 is one of the Exterior Gateway Protocols and the de facto standard
+interdomain routing protocol. BGP-4 is described in :rfc:`1771` and updated by
+:rfc:`4271`. :rfc:`2858` adds multiprotocol support to BGP-4.
 
 IPv4
 ^^^^
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