Documented Ctrl-N keystroke from PXELINUX
will reboot after the timeout interval has expired. This keeps a
machine from getting stuck indefinitely due to a boot server failure.
+Starting in release 3.50, PXELINUX displays network information at
+the boot prompt pressing <Ctrl-N>.
+
PXELINUX does not support MTFTP, and I have no plans of doing so, as
MTFTP is inherently broken for files more than 65535 packets (about
92 MB) in size. It is of course possible to use MTFTP for the initial
<Ctrl-F><digit> equivalent to F1..F10
<Ctrl-C> interrupt boot in progress
<Esc> interrupt boot in progress
+<Ctrl-N> display network information (PXELINUX only)
++++ COMBOOT IMAGES AND OTHER OPERATING SYSTEMS ++++