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Implements protocol templates.

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Based on the patch from Alexander V. Chernikov.
Extended to support almost all protocols.
Uses 'protocol bgp NAME from TEMPLATE { ... }' syntax.
This commit is contained in:
Ondrej Zajicek
2011-11-07 00:31:23 +01:00
parent 74add5df17
commit a7f23f581f
34 changed files with 387 additions and 110 deletions
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19
doc/bird.sgml
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@@ -296,10 +296,21 @@ protocol rip {
<tag>function <m/name/ (<m/parameters/) <m/local variables/ { <m/commands/ }</tag> Define a function. You can learn more
about functions in the following chapter.
<tag>protocol rip|ospf|bgp|... <m/[name]/ { <m>protocol options</m> }</tag> Define a protocol
instance called <cf><m/name/</cf> (or with a name like "rip5" generated automatically if you don't specify any <cf><m/name/</cf>). You can learn more
about configuring protocols in their own chapters. You can run more than one instance of
most protocols (like RIP or BGP). By default, no instances are configured.
<tag>protocol rip|ospf|bgp|... [<m/name/ [from <m/name2/]] { <m>protocol options</m> }</tag>
Define a protocol instance called <cf><m/name/</cf> (or with a name like "rip5" generated
automatically if you don't specify any <cf><m/name/</cf>). You can learn more about
configuring protocols in their own chapters. When <cf>from <m/name2/</cf> expression is
used, initial protocol options are taken from protocol or template <cf><m/name2/</cf>
You can run more than one instance of most protocols (like RIP or BGP). By default, no
instances are configured.
<tag>template rip|bgp|... [<m/name/ [from <m/name2/]] { <m>protocol options</m> }</tag>
Define a protocol template instance called <cf><m/name/</cf> (or with a name like "bgp1"
generated automatically if you don't specify any <cf><m/name/</cf>). Protocol templates can
be used to group common options when many similarly configured protocol instances are to be
defined. Protocol instances (and other templates) can use templates by using <cf/from/
expression and the name of the template. At the moment templates (and <cf/from/ expression)
are not implemented for OSPF protocol.
<tag>define <m/constant/ = (<m/expression/)|<m/number/|<m/IP address/</tag>
Define a constant. You can use it later in every place you could use a simple integer or an IP address.