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-rw-r--r--lib/diameter/doc/src/diameter.xml24
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/diameter/doc/src/diameter.xml b/lib/diameter/doc/src/diameter.xml
index 379e9f0738..75e95a9a3d 100644
--- a/lib/diameter/doc/src/diameter.xml
+++ b/lib/diameter/doc/src/diameter.xml
@@ -1125,6 +1125,30 @@ modules in order until one establishes a connection within the
corresponding timeout (see below) or all fail.</p>
</item>
+<marker id="watchdog_config"/>
+<tag><c>{watchdog_config, [{okay|suspect, non_neg_integer()}]}</c></tag>
+<item>
+<p>
+Specifies configuration that alters the behaviour of the watchdog
+state machine.
+On key <c>okay</c>, the non-negative number of answered DWR
+messages required before transitioning from REOPEN to OKAY.
+On key <c>suspect</c>, the positive number of unanswered DWR messages
+before transitioning from OKAY to SUSPECT, or 0 to never make this
+transition.</p>
+
+<p>
+Defaults to <c>[{okay, 3}, {suspect, 1}]</c>.
+Not specifying a key is equivalent to specifying
+the default value for that key.</p>
+<warning>
+<p>
+The default value is as required by RFC 3539: changing it results
+in non-standard behaviour that should only be used to simulate
+misbehaving nodes during test.</p>
+</warning>
+</item>
+
<marker id="watchdog_timer"/>
<tag><c>{watchdog_timer, TwInit}</c></tag>
<item>