viptelaedge1923genericx8664qcow2 file is a virtual image for the Cisco SD-WAN (formerly Viptela) vEdge Cloud router, specifically version 19.2.3.

: Run the command /opt/unetlab/wrappers/unl_wrapper -a fixpermissions to ensure the node can boot. viptelaedge1923genericx8664qcow2 download link

Assuming you have valid credentials, here is how to obtain the exact viptelaedge1923genericx86_64.qcow2 file: with a Qcow2 format.

: Look for the version specified as "1923" and ensure it's for the Generic x86-64 platform, with a Qcow2 format. viptelaedge1923genericx8664qcow2 download link