This is less efficient, but allows the kernel to apply its routing and firewall rules on them,
and can also help debugging.
.El
-.It Va GraphDumpFile Li = Ar filename
-If this option is present,
-.Nm tinc
-will dump the current network graph to the file
-.Ar filename
-every minute, unless there were no changes to the graph.
-The file is in a format that can be read by graphviz tools.
-If
-.Ar filename
-starts with a pipe symbol |,
-then the rest of the filename is interpreted as a shell command
-that is executed, the graph is then sent to stdin.
.It Va Hostnames Li = yes | no Pq no
This option selects whether IP addresses (both real and on the VPN) should
be resolved. Since DNS lookups are blocking, it might affect tinc's
and can also help debugging.
@end table
-@cindex GraphDumpFile
-@item GraphDumpFile = <@var{filename}>
-If this option is present,
-tinc will dump the current network graph to the file @var{filename}
-every minute, unless there were no changes to the graph.
-The file is in a format that can be read by graphviz tools.
-If @var{filename} starts with a pipe symbol |,
-then the rest of the filename is interpreted as a shell command
-that is executed, the graph is then sent to stdin.
-
@cindex Hostnames
@item Hostnames = <yes|no> (no)
This option selects whether IP addresses (both real and on the VPN)