MPE(4) - Device Drivers Manual

MPE(4) - Device Drivers Manual #

MPE(4) - Device Drivers Manual

NAME #

mpe - MPLS Provider Edge

SYNOPSIS #

pseudo-device mpe

DESCRIPTION #

The mpe interface is a Multiprotocol Label Switching (MPLS) Provider Edge pseudo-device used to enter and leave an MPLS domain.

An mpe interface can be created at runtime using the ifconfig mpeN create command or by setting up a hostname.if(5) configuration file for netstart(8). The interface itself can be configured with ifconfig(8); see its manual page for more information.

IOCTLS #

The following ioctl(2) calls are specific to mpe, mpip(4) and mpw(4) interfaces:

SIOCSETLABEL

Encapsulate packets entering this interface in MPLS using the specified label.

SIOCGETLABEL

Report the label that packets entering this interface will be tagged with.

SIOCDELLABEL

Unset the MPLS label.

SEE ALSO #

sysctl(2), mpip(4), mpw(4), hostname.if(5), ifconfig(8), ldpd(8), netstart(8)

HISTORY #

The mpe device first appeared in OpenBSD 4.4.

AUTHORS #

The mpe driver was written by Pierre-Yves Ritschard <pyr@openbsd.org>.

OpenBSD 7.5 - May 14, 2021