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Throttle the rate of MTU_INFO messages.

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This makes sure MTU_INFO messages are only sent at the maximum rate of
5 per second (by default). As usual with these "probe" mechanisms, the
rate of these messages cannot be higher than the rate of data packets
themselves, since they are sent from the RX path.
This commit is contained in:
Etienne Dechamps 2015-03-08 20:17:27 +00:00
parent 467397f25d
commit 76a9be5bce
8 changed files with 24 additions and 3 deletions
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2
doc/tinc.conf.5.in
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@ -571,6 +571,8 @@ This option controls the initial path MTU to this node.
.It Va PMTUDiscovery Li = yes | no Po yes Pc
When this option is enabled, tinc will try to discover the path MTU to this node.
After the path MTU has been discovered, it will be enforced on the VPN.
.It Va MTUInfoInterval Li = Ar seconds Pq 5
The minimum amount of time between sending periodic updates about relay path MTU. Useful for quickly determining MTU to indirect nodes.
.It Va Port Li = Ar port Pq 655
The port number on which this tinc daemon is listening for incoming connections,
which is used if no port number is specified in an

4
doc/tinc.texi
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@ -1333,6 +1333,10 @@ This option controls the initial path MTU to this node.
When this option is enabled, tinc will try to discover the path MTU to this node.
After the path MTU has been discovered, it will be enforced on the VPN.
@cindex MTUInfoInterval
@item MTUInfoInterval = <seconds> (5)
The minimum amount of time between sending periodic updates about relay path MTU. Useful for quickly determining MTU to indirect nodes.
@cindex Port
@item Port = <@var{port}> (655)
This is the port this tinc daemon listens on.