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
XENBUS(4) BSD/xen Kernel Interfaces Manual XENBUS(4)NAME
xenbus -- Xen bus abstraction for paravirtualized drivers
SYNOPSIS
xenbus* at hypervisor?
DESCRIPTION
The xenbus interface offers an abstraction layer used for communications between domains. xenbus is mainly used by split paravirtualized
drivers, so backend and frontend devices can exchange configuration information, properties, and statistics.
xenbus is not used for data transfer (network frames, blocks, PCI commands, ...). This functionality is implemented by each paravirtualized
driver independently, typically via shared memory pages and an event channel that serves as a virtual interrupt, for signaling.
The xenbus abstraction offers guests the possibility to read and write information directly from and to XenStore, a centralized database
accessible to all domains. For this reason, it also has an event channel associated to it, so that domains can post messages to the XenStore
facility.
DIAGNOSTICS
xenbus0: using event channel %d The event channel associated to the xenbus interface, for communication with the XenStore database.
SEE ALSO pciback(4), xbd(4), xbdback(4), xennet(4), xpci(4), xvif(4)HISTORY
The xenbus driver first appeared in NetBSD 3.0.
AUTHORS
The xenbus driver was written by Manuel Bouyer <bouyer@NetBSD.org>.
BSD January 8, 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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