Copyright (C) 2008 Pierre-Yves Ritschard <pyr@openbsd.org>
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.Dd $Mdocdate: March 18 2021 $ .Dt MPE 4 .Os .Sh NAME .Nm mpe .Nd MPLS Provider Edge .Sh SYNOPSIS .Cd "pseudo-device mpe" .Sh DESCRIPTION The .Nm interface is a Multiprotocol Label Switching (MPLS) Provider Edge pseudo-device used to enter and leave an MPLS domain.
p
An
.Nm
interface can be created at runtime using the
c ifconfig mpe Ns Ar N Ic create command or by setting up a
.Xr hostname.if 5
configuration file for
.Xr netstart 8 .
The interface itself can be configured with
.Xr ifconfig 8 ;
see its manual page for more information.
.Sh IOCTLS
The following
.Xr ioctl 2
calls are specific to
.Nm ,
.Xr mpip 4
and
.Xr mpw 4
interfaces:
l -tag -width "SIOCSETLABEL" -offset 3n t SIOCSETLABEL Encapsulate packets entering this interface in MPLS using
the specified label.
t SIOCGETLABEL Report the label that packets entering this interface will be
tagged with.
t SIOCDELLABEL Unset the MPLS label.
.El
.Sh SEE ALSO
.Xr sysctl 2 ,
.Xr mpip 4 ,
.Xr mpw 4 ,
.Xr hostname.if 5 ,
.Xr ifconfig 8 ,
.Xr ldpd 8 ,
.Xr netstart 8
.Sh HISTORY
The
.Nm
device first appeared in
.Ox 4.4 .
.Sh AUTHORS
The
.Nm
driver was written by
.An Pierre-Yves Ritschard Aq Mt pyr@openbsd.org .