virtualbox:
vboxmanage import rtr.ova
vboxmanage startvm rtr-dsk --type headless
socat - unix-connect:/tmp/rtr-dsk
vboxmanage controlvm rtr poweroff

qemu:
tar xvf rtr.ova
qemu-system-x86_64 -enable-kvm -m 1024 -netdev user,id=a1 -device virtio-net-pci,netdev=a1 -no-reboot -monitor none -serial stdio -nographic -hda rtr.qcow2

libvirt:
tar xvf rtr.ova
virsh create package.vsh

cisco:
!!! set platform hardware rom-monitor virtualization rp active
!!! set platform hardware rom-monitor virtualization rp standby
copy http://dl.nop.hu/rtr.ova harddisk:rtr.ova
conf t
virtual-service
signing level unsigned
end
virtual-service install name rtr package harddisk:rtr.ova media harddisk:
show virtual-service list
!!! wait until status changes to installed
conf t
cdp run
interface VirtualPortGroup1
 description rtr eth1
 cdp enable
interface VirtualPortGroup2
 description rtr eth2
 cdp enable
interface VirtualPortGroup3
 description rtr eth3
 cdp enable
interface VirtualPortGroup4
 description rtr eth4
 cdp enable
virtual-service rtr
 vnic gateway VirtualPortGroup1
 vnic gateway VirtualPortGroup2
 vnic gateway VirtualPortGroup3
 vnic gateway VirtualPortGroup4
 activate
end
show virtual-service list
!!! wait until status changes to activated
virtual-service connect name rtr console
!!! wait until the router boots up
conf t
hostname freertr
interface ethernet1
 cdp enable
 exit
interface ethernet2
 cdp enable
 exit
interface ethernet3
 cdp enable
 exit
interface ethernet4
 cdp enable
 exit
end
