XENNET(4) BSD/xen 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 communication: 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 communication: 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
Check Out this Related Man Page
XVIF(4) BSD/xen Kernel Interfaces Manual XVIF(4)NAME
xvif -- Xen backend paravirtualized network interface
SYNOPSIS
pseudo-device xvif
DESCRIPTION
The xvif interface forms the backend part of the paravirtualized drivers used by Xen domains to offer network connectivity.
When the guest domain is NetBSD, the endpoint of the xvif interface is a xennet(4) interface. In the XenStore, xvif and xennet are identi-
fied by ``vif'' (virtual interface) entries.
All xvif interfaces follow the ``xvifXiY'' naming convention, where 'X' represents the guest domain identifier, and 'Y' an arbitrary identi-
fier; most of the time, it is the frontend interface identifier, e.g. ``xennetY''.
For convenience, the MAC address of an xvif interface is chosen by incrementing the third byte of the MAC address of the frontend device.
Conceptually, frontends and backends drivers are similar to two Ethernet cards connected via a crossover cable.
DIAGNOSTICS
xvif%di%d: can't read %s/mac: %d The MAC address for this interface could not be read from XenStore.
xvif%di%d: %s is not a valid mac address The MAC address specified in the configuration file of the newly created guest domain is invalid.
xvif%di%d: Ethernet address %s MAC address of the xvif interface.
SEE ALSO ifmedia(4), xennet(4), ifconfig(8)HISTORY
The xvif driver first appeared in NetBSD 4.0.
AUTHORS
The xvif driver was written by Manuel Bouyer <bouyer@NetBSD.org>.
BSD April 7, 2011 BSD
All,
I have a need to software change the MAC address of a NIC in a Sparc Ultra 10 - I believe there is a command that allows to do this at boot up?
Is it a missing (to me) part of ifconfig ?
If so, what is the syntax?
All replies gratefully received !
Thanks
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