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.\" $OpenBSD: vic.4,v 1.20 2007/09/02 08:27:03 dlg Exp $
.\"
.\" Copyright (c) 2006 Reyk Floeter <reyk@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: September 2 2007 $
.Dt VIC 4
.Os
.Sh NAME
.Nm vic
.Nd VMware VMXnet Virtual Interface Controller device
.Sh SYNOPSIS
.Cd vic* at pci?
.Sh DESCRIPTION
The
.Nm
driver provides support for the VMXnet virtual NIC available in virtual
machines by VMware.
It appears as a simple Ethernet device but is actually a virtual network
interface to the underlying host operating system.
.Pp
This driver supports the
.Ic vmxnet
driver protocol, as an alternative to the emulated
.Xr pcn 4
and
.Xr em 4
interfaces also available in the VMware environment.
The
.Nm vic
driver is optimized for the virtual machine, it can provide advanced
capabilities depending on the underlying host operating system and
the physical network interface controller of the host.
.Pp
The
.Nm
driver supports VMware virtual NICs provided by the following products:
.Pp
.Bl -bullet -compact -offset indent
.It
VMware ESX Server 2.x
.It
VMware GSX Server 2.5 and newer
.It
VMware Server 1.0 and newer
.It
VMware Workstation 4.5 and newer
.It
VMware Fusion 1.0
.El
.Pp
The
.Nm
driver supports the following media types:
.Bl -tag -width autoselect
.It autoselect
Enable autoselection of the media type and options.
The driver always uses the fastest available speed and the media
options provided by the underlying host of the virtual machine.
.El
.Pp
For more information on configuring this device, see
.Xr ifconfig 8 .
.Sh EXAMPLES
The following entry must be added to the VMware configuration file
to provide the
.Nm
device:
.Bd -literal -offset indent
ethernet0.virtualDev = "vmxnet"
.Ed
.Sh SEE ALSO
.Xr arp 4 ,
.Xr em 4 ,
.Xr ifmedia 4 ,
.Xr intro 4 ,
.Xr netintro 4 ,
.Xr pci 4 ,
.Xr pcn 4 ,
.Xr hostname.if 5 ,
.Xr ifconfig 8
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Reyk Floeter Aq reyk@openbsd.org
and
.An David Gwynne Aq dlg@openbsd.org .
.Sh BUGS
There are tons of bugs in VMware and the underlying host operating systems.
Please consider that the security of the
.Ox
guest can be circumvented by attacking the host environment.
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