babeld/files/babeld.config

   1 package babeld
   2
   3 # Detailed documentation: https://openwrt.org/docs/guide-user/services/babeld
   4
   5 # Babeld reads options from the following files (the last one takes precedence
   6 # if an option is defined in several places):
   7 # - the file defined by the option conf_file (default: /etc/babeld.conf),
   8 # - *.conf files in the directory defined by conf_dir (default: /tmp/babel.d/),
   9 # - this UCI configuration file.
  10
  11 # See "man babeld" for all available options ("Global options").
  12 # Important: remember to use '_' instead of '-' in option names.
  13 config general
  14         # option 'random_id' 'true'
  15         # option 'debug' '1'
  16         # option 'local_port' '33123'
  17         # option 'log_file' '/var/log/babeld.log'
  18         ## Enable ipv6-subtrees by default since OpenWrt should ship with a
  19         ## recent enough kernel for it to work.
  20         option 'ipv6_subtrees' 'true'
  21         # list 'import_table' '42'
  22         # list 'import_table' '100'
  23         ## Alternative configuration file and directory.
  24         ## See comment at the top of this file for more details.
  25         # option 'conf_file' '/etc/babeld.conf'
  26         # option 'conf_dir' '/tmp/babel.d/'
  27
  28 config interface
  29         ## Remove this line to enable babeld on this interface
  30         option 'ignore' 'true'
  31         ## You can use aliases (like lan, wlan) or real names (like eth0.0).
  32         ## If you use an alias, it must be already defined when babeld starts.
  33         ## Otherwise, the name is taken literally and the interface can be
  34         ## brought up later (useful for tunnels for instance).
  35         option 'ifname' 'wlan'
  36         ## You can set options, see babeld man page ("Interface configuration")
  37         # option 'rxcost' '256'
  38         # option 'hello_interval' '1'
  39
  40 config interface
  41         option 'ignore' 'true'
  42         ## Physical interface name
  43         option 'ifname' 'tun-example'
  44         ## Specify the type of interface: tunnels use the RTT-based metric.
  45         option 'type' 'tunnel'
  46         ## Other options that can be overriden.
  47         # option 'max_rtt_penalty' '96'
  48
  49 # A config interface without "option ifname" will set default options
  50 # for all interfaces.  Interface-specific configuration always overrides
  51 # default configuration.
  52 config interface
  53         # option 'enable_timestamps' 'true'
  54         # option 'update_interval' '30'
  55
  56
  57 # A filter consists of a type ('in', 'out', 'redistribute' or 'install'),
  58 # a set of selectors ('ip', 'eq', etc.) and a set of actions to perform
  59 # ('allow', 'deny', 'metric xxx', 'src-prefix xxx', 'table xxx', 'pref-src xxx').
  60 # See babeld man page ("Filtering rules") for more details.
  61
  62 # Below is a sample filter that redistributes the default route if its
  63 # protocol number is "boot", e.g. when it is installed by dhcp (see
  64 # /etc/iproute2/rt_protos).  This filter is disabled thanks to the 'ignore'
  65 # setting.
  66 config filter
  67         option 'ignore' 'true'
  68         # Type of filter
  69         option 'type'   'redistribute'
  70         # Selectors: ip, eq, le, ge, src_ip, src_eq, src_le, src_ge, neigh, id,
  71         # proto, local, if.
  72         option 'ip'     '0.0.0.0/0'
  73         option 'eq'     '0'
  74         option 'proto'  '3'
  75         # Action, which can be any of: allow, deny, metric <NUMBER>, src-prefix <PREFIX>,
  76         # table <ID>, pref-src <IP>.
  77         # The action defaults to "allow" if not specified.  Here, we specify a higher
  78         # redistribution metric than the default (0).
  79         option 'action' 'metric 128'
  80
  81 # Another example filter: don't redistribute local addresses in a certain IP prefix.
  82 # By default, babeld redistributes *all* local addresses.
  83 config filter
  84         option 'ignore' 'true'
  85         option 'type'   'redistribute'
  86         # Only apply to routes/addresses within this prefix.
  87         option 'ip'     '198.51.100.0/24'
  88         # Notice that the 'local' selector is a boolean.
  89         option 'local'  'true'
  90         # Don't redistribute.
  91         option 'action' 'deny'
  92
  93 # Example install filter, to change or filter routes before they are inserted
  94 # into the kernel.
  95 config filter
  96         option 'ignore'         'true'
  97         option 'type'           'install'
  98         # Optional: only apply to routes within 2001:db8:cafe::/48
  99         option 'ip'             '2001:db8:cafe::/48'
 100         # We specify the kernel routing table and the preferred source address to use for these routes.
 101         # "Allow" is implicit.
 102         option 'action'         'table 200  pref-src 2001:db8:ba:be1::42'