We are utilising Cisco CSR 1000v 16.05.01b on AWS (via AMI image, setup originally in 2018)/According to https://www.cisco.com/c/en/us/td/docs/routers/csr1000/software/aws/b_csraws/m_upgrading-ios-xe-image-on-aws.html"… for Cisco IOS XE Everest 16.6 ...