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

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Chris Stromsoe <cbs@xxxxxxxxxxxx>
  • Date: Fri, 6 Jul 2007 01:52:02 -0700 (PDT)
  • Delivery-date: Fri, 06 Jul 2007 01:50:05 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

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?


auto bond0
iface bond0 inet static

        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


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