Remove broadcast-based local discovery mechanism.

[tinc] / doc / tinc.conf.5.in

diff --git a/doc/tinc.conf.5.in b/doc/tinc.conf.5.in
index 5fee403..f208803 100644 (file)
--- a/doc/tinc.conf.5.in
+++ b/doc/tinc.conf.5.in
@@ -199,6 +199,7 @@ When disabled,
 calls tinc-up on startup, and tinc-down on shutdown. When enabled,
 .Nm tinc
 will only call tinc-up when at least one node is reachable, and will call tinc-down as soon as no nodes are reachable.
+On Windows, this also determines when the virtual network interface "cable" is "plugged".
 .It Va DeviceType Li = Ar type Pq platform dependent
 The type of the virtual network device.
 Tinc will normally automatically select the right type of tun/tap interface, and this option should not be used.
@@ -340,11 +341,7 @@ 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.
 .Pp
-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.
-.It Va LocalDiscoveryAddress Li = Ar address
-If this variable is specified, local discovery packets are sent to the given
-.Ar address .
+Currently, local discovery is implemented by sending some packets to the local address of the node during path MTU discovery. This will not work with old nodes that don't transmit their local address.
 .It Va MACExpire Li = Ar seconds Pq 600
 This option controls the amount of time MAC addresses are kept before they are removed.
 This only has effect when