From a7f23f581f5e3efe92ec97dfca7d01c66f31ab04 Mon Sep 17 00:00:00 2001
From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Mon, 7 Nov 2011 00:31:23 +0100
Subject: Implements protocol templates.

Based on the patch from Alexander V. Chernikov.
Extended to support almost all protocols.
Uses 'protocol bgp NAME from TEMPLATE { ... }' syntax.
---
 doc/bird.conf.example | 13 +++++++++++++
 doc/bird.sgml         | 19 +++++++++++++++----
 2 files changed, 28 insertions(+), 4 deletions(-)

(limited to 'doc')

diff --git a/doc/bird.conf.example b/doc/bird.conf.example
index 339898f..5e07ab5 100644
--- a/doc/bird.conf.example
+++ b/doc/bird.conf.example
@@ -202,3 +202,16 @@ protocol static {
 #		reject;
 #	};
 #}
+# 
+# Template usage example
+#template bgp rr_client {
+#	disabled;
+#	local as 65000;
+#	multihop;
+#	rr client;
+#	rr cluster id 1.0.0.1;
+#}
+#
+#protocol bgp rr_abcd from rr_client {
+#	neighbor 10.1.4.7 as 65000;
+#}
diff --git a/doc/bird.sgml b/doc/bird.sgml
index d454629..7f53f02 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -296,10 +296,21 @@ protocol rip {
 	<tag>function <m/name/ (<m/parameters/) <m/local variables/ { <m/commands/ }</tag> Define a function. You can learn more
 	about functions in the following chapter.
  
-	<tag>protocol rip|ospf|bgp|... <m/[name]/ { <m>protocol options</m> }</tag> Define a protocol
-	instance called <cf><m/name/</cf> (or with a name like "rip5" generated automatically if you don't specify any <cf><m/name/</cf>). You can learn more
-	about configuring protocols in their own chapters. You can run more than one instance of
-	most protocols (like RIP or BGP). By default, no instances are configured.
+	<tag>protocol rip|ospf|bgp|... [<m/name/ [from <m/name2/]] { <m>protocol options</m> }</tag>
+	Define a protocol instance called <cf><m/name/</cf> (or with a name like "rip5" generated
+	automatically if you don't specify any <cf><m/name/</cf>). You can learn more about
+	configuring protocols in their own chapters. When <cf>from <m/name2/</cf> expression is
+	used, initial protocol options are taken from protocol or template <cf><m/name2/</cf>
+	You can run more than one instance of most protocols (like RIP or BGP). By default, no
+	instances are configured.
+
+	<tag>template rip|bgp|... [<m/name/ [from <m/name2/]] { <m>protocol options</m> }</tag>
+	Define a protocol template instance called <cf><m/name/</cf> (or with a name like "bgp1"
+	generated automatically if you don't specify any <cf><m/name/</cf>). Protocol templates can
+	be used to group common options when many similarly configured protocol instances are to be
+	defined. Protocol instances (and other templates) can use templates by using <cf/from/
+	expression and the name of the template. At the moment templates (and <cf/from/ expression)
+	are not implemented for OSPF protocol.
 
 	<tag>define <m/constant/ = (<m/expression/)|<m/number/|<m/IP address/</tag>
 	Define a constant. You can use it later in every place you could use a simple integer or an IP address.
-- 
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