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-rw-r--r--doc/bird.sgml10
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml
index c0699f7..9f19ecd 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -47,6 +47,16 @@ it is slightly modified linuxdoc dtd. Anything in <descrip> tags is consi
configuration primitives, <cf> is fragment of configuration within normal text, <m> is
"meta" information within fragment of configuration -- something in config which is not keyword.
+<sect1>About routing tables
+
+<p>Bird has one or more routing tables. Each routing table contains
+list of known routes. Each route has certain atributes, most important
+is prefix of network this route is for. Routing table maintains more
+than one entry for network, but at most one entry for one network and
+one protocol. The entry with biggest preference is used for
+routing. You can get list of route attributes in "Route attributes"
+section in filters.
+
<sect>Configuration
<sect1>Introduction