From 3e3d16338dbb02753e3df35b4e34d03a139e59ff Mon Sep 17 00:00:00 2001 From: Baptiste Jonglez Date: Mon, 26 Aug 2019 18:25:32 +0200 Subject: [PATCH] babeld: Update example configuration file More example filters are provided, and new options such as "type" or "pref_src" are given as example. Signed-off-by: Baptiste Jonglez --- babeld/files/babeld.config | 49 +++++++++++++++++++++++++++++--------- 1 file changed, 38 insertions(+), 11 deletions(-) diff --git a/babeld/files/babeld.config b/babeld/files/babeld.config index 0073f73..a02f202 100644 --- a/babeld/files/babeld.config +++ b/babeld/files/babeld.config @@ -1,5 +1,7 @@ package babeld +# Detailed documentation: https://openwrt.org/docs/guide-user/services/babeld + # Babeld reads options from the following files (the last one takes precedence # if an option is defined in several places): # - the file defined by the option conf_file (default: /etc/babeld.conf), @@ -39,7 +41,10 @@ config interface option 'ignore' 'true' ## Physical interface name option 'ifname' 'tun-example' - # option 'max_rtt_penalty' '90' + ## Specify the type of interface: tunnels use the RTT-based metric. + option 'type' 'tunnel' + ## Other options that can be overriden. + # option 'max_rtt_penalty' '96' # A config interface without "option ifname" will set default options # for all interfaces. Interface-specific configuration always overrides @@ -49,27 +54,49 @@ config interface # option 'update_interval' '30' -# A filter consists of a type ('in', 'out' or 'redistribute'), an action -# ('allow', 'deny' or 'metric xxx') and a set of selectors ('ip', 'eq', -# etc.). See babeld man page ("Filtering rules") for more details. -# Here is a sample filter wich redistributes the default route if its -# protocol number is "boot", e.g. when it installed by dhcp. It is -# disabled by default. +# A filter consists of a type ('in', 'out', 'redistribute' or 'install'), +# a set of selectors ('ip', 'eq', etc.) and a set of actions to perform +# ('allow', 'deny', 'metric xxx', 'src-prefix xxx', 'table xxx', 'pref-src xxx'). +# See babeld man page ("Filtering rules") for more details. + +# Below is a sample filter that redistributes the default route if its +# protocol number is "boot", e.g. when it is installed by dhcp (see +# /etc/iproute2/rt_protos). This filter is disabled thanks to the 'ignore' +# setting. config filter option 'ignore' 'true' - # Type + # Type of filter option 'type' 'redistribute' # Selectors: ip, eq, le, ge, src_ip, src_eq, src_le, src_ge, neigh, id, # proto, local, if. option 'ip' '0.0.0.0/0' option 'eq' '0' option 'proto' '3' - # Action (one of: allow, deny, metric XXX, src-prefix XXX). + # Action, which can be any of: allow, deny, metric , src-prefix , + # table , pref-src . + # The action defaults to "allow" if not specified. Here, we specify a higher + # redistribution metric than the default (0). option 'action' 'metric 128' -# Notice that the 'local' selector is a boolean. +# Another example filter: don't redistribute local addresses in a certain IP prefix. +# By default, babeld redistributes *all* local addresses. config filter option 'ignore' 'true' option 'type' 'redistribute' + # Only apply to routes/addresses within this prefix. + option 'ip' '198.51.100.0/24' + # Notice that the 'local' selector is a boolean. option 'local' 'true' - # No action means "allow" + # Don't redistribute. + option 'action' 'deny' + +# Example install filter, to change or filter routes before they are inserted +# into the kernel. +config filter + option 'ignore' 'true' + option 'type' 'install' + # Optional: only apply to routes within 2001:db8:cafe::/48 + option 'ip' '2001:db8:cafe::/48' + # We specify the kernel routing table and the preferred source address to use for these routes. + # "Allow" is implicit. + option 'action' 'table 200 pref-src 2001:db8:ba:be1::42' -- 2.30.2