Please take a look at the use case of TLOC, it should be really clear by taking a look at the attached picture it shows TLOC extension vs legacy way of providing redundancy, for configuration please take a look at the following configuration https://...

Please take a look at the attached guideThe procedure is identical for Edge and Vedge, however, keep in mind in your PNP, SA/VA you have added a software and once you have installed either the off or the ova file, you have to give it the same chassis...