Just install xen en kernel-xen. That should be sufficient. Possibly you can add virsh,if it's not allready there.
Groupinstall virtualization also installs the GUI-tools (and possibly also a GUI).
Cheers,
Bart
Yes, I follow this exact suggestion and can repeatedly produce the same results where once booted into the Xen kernel, I have no network access unless I switch to routed mode in the sxp file.
Thanks. jlc