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-rw-r--r--usr.sbin/ppp/ppp.818
1 files changed, 17 insertions, 1 deletions
diff --git a/usr.sbin/ppp/ppp.8 b/usr.sbin/ppp/ppp.8
index 79f6802..4970a1b 100644
--- a/usr.sbin/ppp/ppp.8
+++ b/usr.sbin/ppp/ppp.8
@@ -8,9 +8,10 @@
.Nd Point to Point Protocol (a.k.a. user-ppp)
.Sh SYNOPSIS
.Nm
+.Op Fl Va mode
.Op Fl nat
.Op Fl quiet
-.Op Fl Va mode
+.Op Fl unit Ns Ar N
.Op Ar system Ns
.No ...
.Sh DESCRIPTION
@@ -48,6 +49,21 @@ flag tells
to be silent at startup rather than displaying the mode and interface
to standard output.
.Pp
+The
+.Fl unit
+flag tells
+.Nm
+to only attempt to open
+.Pa /dev/tun Ns Ar N .
+Normally,
+.Nm
+will start with a value of 0 for
+.Ar N ,
+and keep trying to open a tunnel device by incrementing the value of
+.Ar N
+by one each time until it succeeds. If it fails three times in a row
+because the device file is missing, it gives up.
+.Pp
The following
.Va mode Ns No s
are understood by
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