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-rw-r--r--doc/bird.sgml27
1 files changed, 14 insertions, 13 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml
index 3862fa10..ea126fa2 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -929,10 +929,12 @@ inherited from templates can be updated by new definitions.
<cf/none/ is for dropping all routes. Default: <cf/all/ (except for
EBGP).
- <tag><label id="proto-export">export <m/filter/</tag>
+ <tag><label id="proto-export">export [ in <m/prefix/ ] <m/filter/</tag>
This is similar to the <cf>import</cf> keyword, except that it works in
- the direction from the routing table to the protocol. Default: <cf/none/
- (except for EBGP).
+ the direction from the routing table to the protocol. If <cf/in/ keyword is used,
+ only routes inside the given prefix are exported. Other routes are completely
+ ignored (e.g. no logging and no statistics).
+ Default: <cf/none/ (except for EBGP).
<tag><label id="proto-import-keep-filtered">import keep filtered <m/switch/</tag>
Usually, if an import filter rejects a route, the route is forgotten.
@@ -1738,17 +1740,8 @@ Common route attributes are:
primary key of the routing table. Read-only. (See the <ref id="routes"
name="chapter about routes">.)
- <tag><label id="rta-scope"><m/enum/ scope</tag>
- The scope of the route. Possible values: <cf/SCOPE_HOST/ for routes
- local to this host, <cf/SCOPE_LINK/ for those specific for a physical
- link, <cf/SCOPE_SITE/ and <cf/SCOPE_ORGANIZATION/ for private routes and
- <cf/SCOPE_UNIVERSE/ for globally visible routes. This attribute is not
- interpreted by BIRD and can be used to mark routes in filters. The
- default value for new routes is <cf/SCOPE_UNIVERSE/.
-
<tag><label id="rta-preference"><m/int/ preference</tag>
- Preference of the route. Valid values are 0-65535. (See the chapter
- about routing tables.)
+ Preference of the route.
<tag><label id="rta-from"><m/ip/ from</tag>
The router which the route has originated from.
@@ -4233,6 +4226,14 @@ include standard channel config options; see the example below.
<tag><label id="pipe-peer-table">peer table <m/table/</tag>
Defines secondary routing table to connect to. The primary one is
selected by the <cf/table/ keyword.
+
+ <tag><label id="pipe-max-generation">max generation <m/expr/</tag>
+ Sets maximal generation of route that may pass through this pipe.
+ The generation value is increased by one by each pipe on its path.
+ Not meeting this requirement causes an error message complaining about
+ an overpiped route. If you have long chains of pipes, you probably want
+ to raise this value; anyway the default of 16 should be enough for even
+ most strange uses. Maximum is 254.
</descrip>
<sect1>Attributes