Could you point out a download link for Vcloud director 5.1 virtual appliance n vShield Manager 5.1.0 vappliance trial download. I am only able to find vcloud director 5.5 vsa
(make sure to pick 5.1 at top with the drop-down)
VMware's site did not make it easy to find - but from that link I was able to get OVA for vCNS. VCD does not seem to be online - but heck, maybe I am just missing it.
I think VMware does not make this easy as they only allow the appliance for VCD for eval use, and they would only want the new version to be eval-ed.
I think when you request an evaluation, it'll be only available for the current major version of the application. So vCD 5.5 would be the offered download. there isn't a 'huge' amount of difference between 5.5 and 5.1, but if you specifically need 5.1.x appliance, then we'll have to look at this further.