tincctl: add node colors and edge weight to graph dump.

[tinc] / doc / tinc.texi

diff --git a/doc/tinc.texi b/doc/tinc.texi
index 10927b7..ac3a630 100644 (file)
--- a/doc/tinc.texi
+++ b/doc/tinc.texi
@@ -2213,6 +2213,9 @@ Dump a list of all meta connections with ourself.
 
 @item dump graph | digraph
 Dump a graph of the VPN in dotty format.
+Nodes are colored according to their reachability:
+red nodes are unreachable, orange nodes are indirectly reachable, green nodes are directly reachable.
+Black nodes are either directly or indirectly reachable, but direct reachability has not been tried yet.
 
 @item info @var{node} | @var{subnet} | @var{address}
 Show information about a particular @var{node}, @var{subnet} or @var{address}.