X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=doc%2Ftinc.texi;h=427fbeaa0b651243e326b628e48583f99652ba5b;hb=ce7079f4af3157eaef514d6d160933a016b2ab62;hp=c940eddb48816ef126bb1f72e55a7b8f638e41b0;hpb=7939ee12836bf2ef772f2a6a1e805ee0d64a8e70;p=tinc

diff --git a/doc/tinc.texi b/doc/tinc.texi
index c940eddb..427fbeaa 100644
--- a/doc/tinc.texi
+++ b/doc/tinc.texi
@@ -1081,8 +1081,8 @@ This will allow direct communication using LAN addresses, even if both peers are
 and they only ConnectTo a third node outside the NAT,
 which normally would prevent the peers from learning each other's LAN address.
 
-Currently, local discovery is implemented by sending broadcast packets to the LAN during path MTU discovery.
-This feature may not work in all possible situations.
+Currently, local discovery is implemented by sending some packets to the local address of the node during UDP discovery.
+This will not work with old nodes that don't transmit their local address.
 
 @cindex LocalDiscoveryAddress
 @item LocalDiscoveryAddress <@var{address}>
@@ -1239,9 +1239,14 @@ using TCP while it determines if a node is reachable over UDP. If it is disabled
 tinc always assumes a node is reachable over UDP.
 Note that tinc will never use UDP with nodes that have TCPOnly enabled.
 
+@cindex UDPDiscoveryKeepaliveInterval
+@item UDPDiscoveryKeepaliveInterval = <seconds> (9)
+The minimum amount of time between sending UDP ping datagrams to check UDP connectivity once it has been established.
+Note that these pings are large, since they are used to verify link MTU as well.
+
 @cindex UDPDiscoveryInterval
-@item UDPDiscoveryInterval = <seconds> (9)
-The minimum amount of time between sending UDP ping datagrams to test UDP connectivity.
+@item UDPDiscoveryInterval = <seconds> (2)
+The minimum amount of time between sending UDP ping datagrams to try to establish UDP connectivity.
 
 @cindex UDPDiscoveryTimeout
 @item UDPDiscoveryTimeout = <seconds> (30)