New example config.

doc/bird.conf.example

@@ -2,61 +2,67 @@
  *	This is an example configuration file.
  */
 
-# Yet another comment
+# Yes, even shell-like comments work...
 
-#log syslog { error };
+# Configure logging
+#log syslog { debug, trace, info, remote, warning, error, auth, fatal, bug };
+#log stderr all;
 #log "tmp" all;
 
+# Override router ID
 #router id 62.168.0.1;
 
+# You can define your own symbols...
 #define xyzzy = 120+10;
 
+# Define a route filter...
+filter test_filter {
+	if net ~ 10.0.0.0/16 then accept;
+	else reject;
+}
+
 #filter sink { reject; }
 #filter okay { accept; }
 
+# Define another routing table
 #table testable;
 
-debug protocols all;
-
-#protocol rip MyRIP_test {
-#	preference xyzzy;
-#	debug all;
-#	port 1520;
-#	period 7;
-#	garbagetime 60;
-#	interface "*" { mode broadcast; };
-#	honour neighbour;
-#	passwords { password "ahoj" from 0 to 10;
-#		password "nazdar" from 10;
-#	}
-#	authentication none;
-#	import filter { print "importing"; accept; };
-#	export filter { print "exporting"; accept; };
-#}
+# Turn on global debugging of all protocols
+#debug protocols all;
 
+# The direct protocol automatically generates device routes to
+# all network interfaces. Can exist in as many instances as you wish
+# if you want to populate multiple routing tables with device routes.
 protocol direct {
-#	disabled;
-#	interface "-eth*", "*";
+#	interface "-eth*", "*";	# Restrict network interfaces it works with
 }
 
+# This pseudo-protocol performs synchronization between BIRD's routing
+# tables and the kernel. If your kernel supports multiple routing tables
+# (as Linux 2.2.x does), you can run multiple instances of the kernel
+# protocol and synchronize different kernel tables with different BIRD tables.
 protocol kernel {
-#	disabled;
-#	learn;			# Learn all routes from the kernel
+#	learn;			# Learn all alien routes from the kernel
 	persist;		# Don't remove routes on bird shutdown
 	scan time 20;		# Scan kernel routing table every 20 seconds
-#	async off;		# Netlink: Disable asynchronous events
 #	import none;		# Default is import all
 	export all;		# Default is export none
 #	kernel table 5;		# Kernel table to synchronize with (default: main)
 }
 
+# This pseudo-protocol watches all interface up/down events.
 protocol device {
 	scan time 10;		# Scan interfaces every 10 seconds
 }
 
+# Static routes (again, there can be multiple instances, so that you
+# can disable/enable various groups of static routes on the fly).
 protocol static {
-#	disabled;
-#	table testable;
+#	disabled;		# Disable by default
+#	table testable;		# Connect to a non-default table
+#	preference 1000;	# Default preference of routes
+#	debug { states, routes, filters, interfaces, events, packets };
+#	debug all;
 #	route 0.0.0.0/0 via 62.168.0.13;
 #	route 62.168.0.0/25 reject;
 #	route 10.0.0.0/8 reject;
@@ -66,8 +72,68 @@ protocol static {
 #	route 10.2.0.0/24 via "arc0";
 }
 
+# Pipe protocol connects two routing tables... Beware of loops.
 #protocol pipe {
 #	peer table testable;
-#	import all;
-#	export all;
+# Define what routes do we export to this protocol / import from it.
+#	import all;		# default is all
+#	export all;		# default is none
+#	import none;		# If you wish to disable imports
+#	import filter test_filter;		# Use named filter
+#	import where source = RTS_DEVICE;	# Use explicit filter
+#}
+
+# RIP aka Rest In Pieces...
+#protocol rip MyRIP {	# You can also use an explicit name
+#	preference xyzzy;
+#	debug all;
+#	port 1520;
+#	period 7;
+#	infinity 16;
+#	garbagetime 60;
+#	interface "*" { mode broadcast; };
+#	honor neighbor;		# To whom do we agree to send the routing table
+#	honor always;
+#	honor never;
+#	passwords { password "ahoj" from 0 to 10;
+#		password "nazdar" from 10;
+#	}
+#	authentication none;
+#	import filter { print "importing"; accept; };
+#	export filter { print "exporting"; accept; };
+#}
+
+#protocol bgp {
+#	disabled;
+#	local as 65000;
+#	neighbor 62.168.0.130 as 5588;
+#	multihop 20 via 62.168.0.13;
+#	hold time 240;
+#	startup hold time 240;
+#	connect retry time 120;
+#	keepalive time 80;	# defaults to hold time / 3
+#	start delay time 5;	# How long do we wait before initial connect
+#	error wait time 60, 300;# Minimum and maximum time we wait after an error (when consecutive
+#				# errors occur, we increase the delay exponentially ...
+#	error forget time 300;	# ... until this timeout expires)
+#	disable after error;	# Disable the protocol automatically when an error occurs
+#	next hop self;		# Disable next hop processing and always advertise our local address as nexthop
+#	path metric 1;		# Prefer routes with shorter paths (like Cisco does)
+#	default bgp_med 0;	# MED value we use for comparison when none is defined
+#	default bgp_local_pref 0;	# The same for local preference
+#	source address 62.168.0.14;	# What local address we use for the TCP connection
+#	export where source=RTS_STATIC;
+#	export filter {
+#		if source = RTS_STATIC then {
+##			bgp_community = -empty-; bgp_community = add(bgp_community,(65000,5678));
+##			bgp_origin = 0;
+#			bgp_community = -empty-; bgp_community.add((65000,5678));
+##			if (65000,5678) ~ bgp_community then
+##				bgp_community.add((0, 1));
+#			if bgp_path ~ / 65000 / then
+#				bgp_path.prepend(65000);
+#			accept;
+#		}
+#		reject;
+#	};
 #}