-/*
- * This is an example configuration file
- * (for version 1.x.x, obsolete)
- */
-
-# Yes, even shell-like comments work...
+# This is a basic configuration file, which contains boilerplate options and
+# some basic examples. It allows the BIRD daemon to start but will not cause
+# anything else to happen.
+#
+# Please refer to the BIRD User's Guide documentation, which is also available
+# online at http://bird.network.cz/ in HTML format, for more information on
+# configuring BIRD and adding routing protocols.
# Configure logging
-#log syslog { debug, trace, info, remote, warning, error, auth, fatal, bug };
-#log stderr all;
-#log "tmp" all;
+log syslog all;
+# log "/var/log/bird.log" { debug, trace, info, remote, warning, error, auth, fatal, bug };
-# Override router ID
-#router id 198.51.100.1;
+# Set router ID. It is a unique identification of your router, usually one of
+# IPv4 addresses of the router. It is recommended to configure it explicitly.
+# router id 198.51.100.1;
-# You can define your own symbols...
-#define xyzzy = (120+10);
-#define '1a-a1' = (30+40);
+# Turn on global debugging of all protocols (all messages or just selected classes)
+# debug protocols all;
+# debug protocols { events, states };
-# Define a route filter...
-#filter test_filter {
-# if net ~ 10.0.0.0/16 then accept;
-# else reject;
-#}
+# Turn on internal watchdog
+# watchdog warning 5 s;
+# watchdog timeout 30 s;
-#filter sink { reject; }
-#filter okay { accept; }
+# You can define your own constants
+# define my_asn = 65000;
+# define my_addr = 198.51.100.1;
-#include "filters.conf";
+# Tables master4 and master6 are defined by default
+# ipv4 table master4;
+# ipv6 table master6;
-# Define another routing table
-#table testable;
+# Define more tables, e.g. for policy routing or as MRIB
+# ipv4 table mrib4;
+# ipv6 table mrib6;
-# Turn on global debugging of all protocols
-#debug protocols all;
+# The Device protocol is not a real routing protocol. It does not generate any
+# routes and it only serves as a module for getting information about network
+# interfaces from the kernel. It is necessary in almost any configuration.
+protocol device {
+}
-# Turn on internal watchdog
-#watchdog warning 5 s;
-#watchdog timeout 30 s;
-
-# 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 {
-# interface "-eth*", "*"; # Restrict network interfaces it works with
-#}
+# The direct protocol is not a real routing protocol. It automatically generates
+# direct routes to all network interfaces. Can exist in as many instances as you
+# wish if you want to populate multiple routing tables with direct routes.
+protocol direct {
+ disabled; # Disable by default
+ ipv4; # Connect to default IPv4 table
+ ipv6; # ... and to default IPv6 table
+}
-# 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.
+# The Kernel protocol is not a real routing protocol. Instead of communicating
+# with other routers in the network, it performs synchronization of BIRD
+# routing tables with the OS kernel. One instance per table.
protocol 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
-# import none; # Default is import all
- export all; # Default is export none
-# kernel table 5; # Kernel table to synchronize with (default: main)
+ ipv4 { # Connect protocol to IPv4 table by channel
+# table master4; # Default IPv4 table is master4
+# import all; # Import to table, default is import all
+ export all; # Export to protocol. default is export none
+ };
+# learn; # Learn alien routes from the kernel
+# kernel table 10; # 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
+# Another instance for IPv6, skipping default options
+protocol kernel {
+ ipv6 { export all; };
}
-# Static routes (again, there can be multiple instances, so that you
-# can disable/enable various groups of static routes on the fly).
+# Static routes (Again, there can be multiple instances, for different address
+# families and to disable/enable various groups of static routes on the fly).
protocol static {
-# 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 198.51.100.13;
-# route 198.51.100.0/25 unreachable;
+ ipv4; # Again, IPv4 channel with default options
+
+# route 0.0.0.0/0 via 198.51.100.10;
+# route 192.0.2.0/24 blackhole;
# route 10.0.0.0/8 unreachable;
-# route 10.1.1.0:255.255.255.0 via 198.51.100.3;
-# route 10.1.2.0:255.255.255.0 via 198.51.100.3;
-# route 10.1.3.0:255.255.255.0 via 198.51.100.4;
-# route 10.2.0.0/24 via "arc0";
+# route 10.2.0.0/24 via "eth0";
+# # Static routes can be defined with optional attributes
+# route 10.1.1.0/24 via 198.51.100.3 { rip_metric = 3; };
+# route 10.1.2.0/24 via 198.51.100.3 { ospf_metric1 = 100; };
+# route 10.1.3.0/24 via 198.51.100.4 { ospf_metric2 = 100; };
}
-# Pipe protocol connects two routing tables... Beware of loops.
-#protocol pipe {
-# peer table testable;
-# 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;
-# garbage time 60;
-# interface "*" { mode broadcast; };
-# honor neighbor; # To whom do we agree to send the routing table
-# honor always;
-# honor never;
-# passwords {
-# password "nazdar";
+# Pipe protocol connects two routing tables. Beware of loops.
+# protocol pipe {
+# table master4; # No ipv4/ipv6 channel definition like in other protocols
+# peer table mrib4;
+# import all; # Direction peer table -> table
+# export all; # Direction table -> peer table
+# }
+
+# RIP example, both RIP and RIPng are supported
+# protocol rip {
+# ipv4 {
+# # Export direct, static routes and ones from RIP itself
+# import all;
+# export where source ~ [ RTS_DEVICE, RTS_STATIC, RTS_RIP ];
# };
-# authentication none;
-# import filter { print "importing"; accept; };
-# export filter { print "exporting"; accept; };
-#}
+# interface "eth*" {
+# update time 10; # Default period is 30
+# timeout time 60; # Default timeout is 180
+# authentication cryptographic; # No authentication by default
+# password "hello" { algorithm hmac sha256; }; # Default is MD5
+# };
+# }
-#protocol ospf MyOSPF {
-# tick 2;
-# rfc1583compat yes;
-# area 0.0.0.0 {
-# stub no;
+# OSPF example, both OSPFv2 and OSPFv3 are supported
+# protocol ospf v3 {
+# ipv6 {
+# import all;
+# export where source = RTS_STATIC;
+# };
+# area 0 {
# interface "eth*" {
-# hello 9;
-# retransmit 6;
-# cost 10;
-# transmit delay 5;
-# dead count 5;
-# wait 50;
-# type broadcast;
-# authentication simple;
-# password "pass";
+# type broadcast; # Detected by default
+# cost 10; # Interface metric
+# hello 5; # Default hello perid 10 is too long
# };
-# interface "arc0" {
-# rx buffer large;
-# type nonbroadcast;
-# poll 14;
-# dead 75;
-# neighbors {
-# 10.1.1.2 eligible;
-# 10.1.1.4;
-# };
-# strict nonbroadcast yes;
+# interface "tun*" {
+# type ptp; # PtP mode, avoids DR selection
+# cost 100; # Interface metric
+# hello 5; # Default hello perid 10 is too long
# };
-# interface "xxx0" {
-# passwords {
-# password "abc" {
-# id 1;
-# generate to "22-04-2003 11:00:06";
-# accept to "17-01-2004 12:01:05";
-# };
-# password "def" {
-# id 2;
-# generate from "22-04-2003 11:00:07";
-# accept from "17-01-2003 12:01:05";
-# };
-# };
-# authentication cryptographic;
-# };
-# };
-# area 20 {
-# stub 1;
-# interface "ppp1" {
-# hello 8;
-# authentication none;
+# interface "dummy0" {
+# stub; # Stub interface, just propagate it
# };
-# interface "fr*";
-# virtual link 192.168.0.1 {
-# password "sdsdffsdfg";
-# authentication cryptographic;
-# };
# };
#}
-
-#protocol bgp {
-# disabled;
+# Define simple filter as an example for BGP import filter
+# See https://gitlab.labs.nic.cz/labs/bird/wikis/BGP_filtering for more examples
+# filter rt_import
+# {
+# if bgp_path.first != 64496 then accept;
+# if bgp_path.len > 64 then accept;
+# if bgp_next_hop != from then accept;
+# reject;
+# }
+
+# BGP example, explicit name 'uplink1' is used instead of default 'bgp1'
+# protocol bgp uplink1 {
# description "My BGP uplink";
-# local as 65000;
-# neighbor 198.51.100.130 as 64496;
-# multihop;
-# 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 198.51.100.14; # What local address we use for the TCP connection
+# local 198.51.100.1 as 65000;
+# neighbor 198.51.100.10 as 64496;
+# hold time 90; # Default is 240
# password "secret"; # Password used for MD5 authentication
-# rr client; # I am a route reflector and the neighor is my client
-# rr cluster id 1.0.0.1; # Use this value for cluster id instead of my router id
-# 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 (65000,64501) ~ bgp_community then
-# bgp_community.add((0, 1));
-# if bgp_path ~ [= 65000 =] then
-# bgp_path.prepend(65000);
-# accept;
-# }
-# reject;
+#
+# ipv4 { # regular IPv4 unicast (1/1)
+# import filter rt_import;
+# export where source ~ [ RTS_STATIC, RTS_BGP ];
+# };
+#
+# ipv6 { # regular IPv6 unicast (2/1)
+# import filter rt_import;
+# export filter { # The same as 'where' expression above
+# if source ~ [ RTS_STATIC, RTS_BGP ]
+# then accept;
+# else reject;
+# };
+# };
+#
+# ipv4 multicast { # IPv4 multicast topology (1/2)
+# table mrib4; # explicit IPv4 table
+# import filter rt_import;
+# export all;
# };
-#}
#
-# Template usage example
-#template bgp rr_client {
-# disabled;
-# local as 65000;
-# multihop;
+# ipv6 multicast { # IPv6 multicast topology (2/2)
+# table mrib6; # explicit IPv6 table
+# import filter rt_import;
+# export all;
+# };
+#}
+
+# Template example. Using templates to define IBGP route reflector clients.
+# template bgp rr_clients {
+# local 10.0.0.1 as 65000;
+# neighbor as 65000;
# rr client;
# rr cluster id 1.0.0.1;
-#}
#
-#protocol bgp rr_abcd from rr_client {
-# neighbor 10.1.4.7 as 65000;
-#}
+# ipv4 {
+# import all;
+# export where source = RTS_BGP;
+# };
+#
+# ipv6 {
+# import all;
+# export where source = RTS_BGP;
+# };
+# }
+#
+# protocol bgp client1 from rr_clients {
+# neighbor 10.0.1.1;
+# }
+#
+# protocol bgp client2 from rr_clients {
+# neighbor 10.0.2.1;
+# }
+#
+# protocol bgp client3 from rr_clients {
+# neighbor 10.0.3.1;
+# }
projects / thirdparty / bird.git / commitdiff
