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NetBSD 6.1.5 - man page for xennet (netbsd section 4)

XENNET(4)			   BSD Kernel Interfaces Manual 			XENNET(4)

NAME
     xennet -- Xen frontend paravirtualized network interface

SYNOPSIS
     xennet* at xenbus?

DESCRIPTION
     The xennet interface forms the frontend part of the paravirtualized drivers used by Xen
     guest domains to have network connectivity.

     When the host domain is NetBSD, the endpoint of the xennet interface is a xvif(4) interface.
     In the XenStore, xvif and xennet are identified by ``vif'' (virtual interface) entries.

     Conceptually, frontends and backends drivers are similar to two Ethernet cards connected via
     a crossover cable.

DIAGNOSTICS
     xennet%d: can't read mac address, err %d  The MAC address for this interface could not be
     read from XenStore.

     xennet%d: %s is not a valid mac address  The MAC address specified in the configuration file
     of the newly created guest domain is invalid.

     xennet%d: using event channel %d  The Xen event channel (virtual interrupt) ID associated to
     this xennet.

     xennet%d: using RX copy mode  The xennet and its associated endpoint use copy mode for com-
     munication: packets are copied from one domain's memory to another.

     xennet%d: using RX flip mode  The xennet and its associated endpoint use flip mode for com-
     munication: packets are passed by remapping memory pages between domains.

SEE ALSO
     ifmedia(4), xenbus(4), xvif(4), ifconfig(8)

HISTORY
     The xennet driver first appeared in NetBSD 3.0.

AUTHORS
     The xennet driver was written by Manuel Bouyer <bouyer@NetBSD.org> and Christian Limpach
     <chris@pin.lu>.

BSD					 January 8, 2011				      BSD


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