The -serial suffix in the filename indicates that the image is pre-configured to output its boot sequence and management console directly to a virtual serial port rather than a VGA display. This is critical for:
: Use an SFTP client like WinSCP or FileZilla to transfer the original csr1000v-ucmk9.16.12.1b-serial.qcow2 into that new folder. csr1000vucmk916121bserialqcow2 repack best
: By default, an unlicensed CSR 1000V may throttle throughput to 1000 kbps. For testing higher speeds, you may need to evaluate different license levels using license boot level [ax|appx|ipbase] in global configuration mode. Deployment in GNS3 The -serial suffix in the filename indicates that