Doc: Add documentation for OSPF retransmit delay option

[thirdparty/bird.git] / doc / bird.sgml

diff --git a/doc/bird.sgml b/doc/bird.sgml
index b3ac38b0e2d35e722ca2eb5dc95f58ad5c8fd337..e531da404080fb7c6bdaada4c9a66f1be16159ec 100644 (file)
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -3491,6 +3491,11 @@ protocol ospf [v2|v3] <name> {
        Specifies interval in seconds between retransmissions of unacknowledged
        updates. Default value is 5.
 
+       <tag><label id="ospf-transmit-delay">transmit delay <M>num</M></tag>
+       Specifies estimated transmission delay of link state updates send over
+       the interface. The value is added to LSA age of LSAs propagated through
+       it. Default value is 1.
+
        <tag><label id="ospf-priority">priority <M>num</M></tag>
        On every multiple access network (e.g., the Ethernet) Designated Router
        and Backup Designated router are elected. These routers have some special
@@ -3511,16 +3516,6 @@ protocol ospf [v2|v3] &lt;name&gt; {
        <m/dead/ seconds, it will consider the neighbor down. If both directives
        <cf/dead count/ and <cf/dead/ are used, <cf/dead/ has precedence.
 
-       <tag><label id="ospf-secondary">secondary <M>switch</M></tag>
-       On BSD systems, older versions of BIRD supported OSPFv2 only for the
-       primary IP address of an interface, other IP ranges on the interface
-       were handled as stub networks. Since v1.4.1, regular operation on
-       secondary IP addresses is supported, but disabled by default for
-       compatibility. This option allows to enable it. The option is a
-       transitional measure, will be removed in the next major release as the
-       behavior will be changed. On Linux systems, the option is irrelevant, as
-       operation on non-primary addresses is already the regular behavior.
-
        <tag><label id="ospf-rx-buffer">rx buffer <M>num</M></tag>
        This option allows to specify the size of buffers used for packet
        processing. The buffer size should be bigger than maximal size of any