is omitted, the default length will be 2048 bits.
When saving keys to existing files, tinc will not delete the old keys;
you have to remove them manually.
-.It dump nodes
+.It dump [reachable] nodes
Dump a list of all known nodes in the VPN.
+If the keyword reachable is used, only lists reachable nodes.
.It dump edges
Dump a list of all known connections in the VPN.
.It dump subnets