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-rw-r--r--docs/configuration/protocols/ospf.rst9
1 files changed, 9 insertions, 0 deletions
diff --git a/docs/configuration/protocols/ospf.rst b/docs/configuration/protocols/ospf.rst
index 41ab7cac..e1957cec 100644
--- a/docs/configuration/protocols/ospf.rst
+++ b/docs/configuration/protocols/ospf.rst
@@ -343,6 +343,15 @@ Interface Configuration
attached to a common network. The default value is 40 seconds. The
interval range is 1 to 65535.
+.. cfgcmd:: set protocols ospf interface <interface> hello-multiplier <number>
+
+ The hello-multiplier specifies how many Hellos to send per second, from 1
+ (every second) to 10 (every 100ms). Thus one can have 1s convergence time
+ for OSPF. If this form is specified, then the hello-interval advertised in
+ Hello packets is set to 0 and the hello-interval on received Hello packets
+ is not checked, thus the hello-multiplier need NOT be the same across
+ multiple routers on a common link.
+
.. cfgcmd:: set protocols ospf interface <interface> hello-interval <number>
Set number of seconds for Hello Interval timer value. Setting this value,