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Diffstat (limited to 'doc/bird.sgml')
| -rw-r--r-- | doc/bird.sgml | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml index b35f4944..31b2c03f 100644 --- a/doc/bird.sgml +++ b/doc/bird.sgml @@ -266,8 +266,10 @@ protocol rip { 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>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. + <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. + Besides, there are some predefined numeric constants based on /etc/iproute2/rt_* files. + A list of defined constants can be seen (together with other symbols) using 'show symbols' command. <tag>router id <m/IPv4 address/</tag> Set BIRD's router ID. It's a world-wide unique identification of your router, usually one of router's IPv4 addresses. Default: in IPv4 version, the lowest IP address of a non-loopback interface. In IPv6 version, this option is mandatory. |