[Xen-users] what creates the veth* devices?

[Chris Stromsoe <cbs@xxxxxxxxxxxx>]

What creates the veth* devices and is it necessary to have them in order 
to have correct / functional networking?
I'm using Xen 3.0.3 on Debian Etch.  I have my dom0 networking being built 
using standard Debian configuration in /etc/network/interfaces. 
xend-config.sxp is set to use
(network-script network-dummy)

My domU configurations are set with

vif = [ 'type=ioemu, bridge=xenbr772' ]

Everything seems to be working as near as I can tell, except that I don't 
have any veth* devices.  My domUs all have a vif device that shows up as 
part of the correct bridge when the domU starts up.  Do I need those?
/etc/network/interfaces:

auto bond0
iface bond0 inet static
        address 192.168.1.10
        netmask 255.255.255.0
        network 192.168.1.0
        broadcast 192.168.1.255
        gateway 192.168.1.1

        up ifenslave bond0 eth0 eth1
        down ifenslave -d bond0 eth0 eth1

auto bond1
iface bond1 inet manual
        pre-up ip li set bond1 up
        post-down ip li set bond1 down

        up ip link set bond1 address fe:ff:ff:ff:ff:ff
        up ip link set bond1 arp off
        up ip link set bond1 multicast off

        up ifenslave bond1 eth2 eth3
        down ifenslave -d bond1 eth2 eth3


auto bond1.718
iface bond1.718 inet manual
        vlan-raw-device bond1

        up ip li set bond1.718 up
        down ip li set bond1.718 down


auto bond1.772
iface bond1.772 inet manual
        vlan-raw-device bond1

        up ip li set bond1.772 up
        down ip li set bond1.772 down


auto xenbr772
iface xenbr772 inet manual
        bridge_ports bond1.772
        bridge_stp off
        bridge_fd 0

        up ip link set xenbr772 arp off
        up ip link set xenbr772 multicast off




-Chris

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