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-rw-r--r--doc/bird.sgml8
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml
index a2138b55..d1a3b70f 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -4124,6 +4124,14 @@ 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