Document "-tunneldomain" and "-mplslabel", complete MPLS synopsis

OK claudio

1 files changed, 9 insertions, 5 deletions

diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8
index 765f6ea24d6..c5389295ab7 100644
--- a/sbin/ifconfig/ifconfig.8
+++ b/sbin/ifconfig/ifconfig.8
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: ifconfig.8,v 1.369 2021/03/11 21:07:16 jmc Exp $
+.\"	$OpenBSD: ifconfig.8,v 1.370 2021/03/18 14:16:38 kn Exp $
 .\"	$NetBSD: ifconfig.8,v 1.11 1996/01/04 21:27:29 pk Exp $
 .\"     $FreeBSD: ifconfig.8,v 1.16 1998/02/01 07:03:29 steve Exp $
 .\"
@@ -31,7 +31,7 @@
 .\"
 .\"     @(#)ifconfig.8	8.4 (Berkeley) 6/1/94
 .\"
-.Dd $Mdocdate: March 11 2021 $
+.Dd $Mdocdate: March 18 2021 $
 .Dt IFCONFIG 8
 .Os
 .Sh NAME
@@ -1433,11 +1433,11 @@ is omitted, it is decreased by 1.
 .Bk -words
 .Nm ifconfig
 .Ar mpls-interface
-.Op Cm mplslabel Ar mpls-label
+.Op Oo Fl Oc Ns Cm mplslabel Ar mpls-label
 .Op Oo Fl Oc Ns Cm pwecw
 .Op Oo Fl Oc Ns Cm pwefat
 .Op Cm pweneighbor Ar mpls-label Ar neighbor
-.Op Cm tunneldomain Ar rdomain
+.Op Oo Fl Oc Ns Cm tunneldomain Ar rdomain
 .Ek
 .nr nS 0
 .Pp
@@ -1455,12 +1455,16 @@ MPLS packets sent to this label on the local system will be
 decapsulated for input.
 An MPLS label is a 20-bit number.
 Labels 0 to 15 inclusive are reserved labels and cannot be used.
+.It Cm -mplslabel
+Unset the local MPLS label.
 .It Cm tunneldomain Ar rdomain
-Use the route domain
+Use the routing domain
 .Ar rdomain
 for MPLS transit.
 The MPLS encapsulated traffic does not need to terminate in the same
 routing domain as the interface itself.
+.It Cm -tunneldomain
+Use the default routing domain 0 for MPLS transit.
 .El
 .Pp
 The following options are available for the