If you are repacking specifically for EVE-NG, the folder and file naming must follow strict conventions for the node to appear in the web interface.
virt-cat -a csr1000v-ucmk916121b-serial-repacked.qcow2 /bootflash/.serialnum csr1000vucmk916121bserialqcow2 repack best
Repacking or "re-spinning" a Cisco CSR 1000v image (specifically version 16.12.1b) is a common task for network engineers preparing labs for platforms like EVE-NG or GNS3 . The goal is typically to create a clean, bootable .qcow2 disk that supports serial console access and contains any necessary Day 0 configurations. Preparation Requirements If you are repacking specifically for EVE-NG, the
guestfish --ro -a csr1000v-ucmk916121b-serial.qcow2 -i cat /bootflash/.serialnum csr1000vucmk916121bserialqcow2 repack best

