Manual Reference Pages - EPAIR (4)
- A pair of virtual back-to-back connected Ethernet interfaces
To compile this driver into the kernel,
place the following line in your
kernel configuration file:
.Cd device epair
Alternatively, to load the driver as a
module at boot time, place the following line in
is a pair of Ethernet-like software interfaces,
which are connected back-to-back with a virtual cross-over cable.
interface pair is created at runtime using interface cloning.
This is most easily done with the
command or using the
While for cloning you only give either
pair will be named like
This means the names of the first
interfaces will be
Like any other Ethernet interface, an
needs to have a network address.
will be assigned a locally administered address by default,
that is only guaranteed to be unique within one network stack.
To change the default addresses one may use the SIOCSIFADDR ioctl(2) or
The basic intent is to provide connectivity between two virtual
network stack instances.
When connected to an
one end of the interface pair can also be part of another (virtual) LAN.
As with any other Ethernet interface,
can have a
configured on top of it.
interface first appeared in
.Fx 8.0 .
interface was written by
.An Bjoern A. Zeeb, CK Software GmbH,
under sponsorship from the FreeBSD Foundation.
Visit the GSP FreeBSD Man Page Interface.
Output converted with manServer 1.07.