I have a grey circle in the upper left had corner of my Spark client. What is that for?

I'm planning a CMBE upgrade from 7.X to 8.5 for a customer without UCSS using 3X3 upgrade. The part numbers that I'm using are  UPG-BE5K-ENH, UPG-BE5K-VMB2A, UCSS-BE-KENH-3-1 and UCSS-BE-KVMA-3-1. I assume these are the correct part numbers. What I a...

I recently completed a five node MPLS WAN for a customer. The MPLS provider is one of the well known national ones and each site had its own AS number. Each site was EBGP neighbored with the providers core AS. To get the whole thing to work as a ful...