The keyword refers to a specific virtual disk image for the Cisco Cloud Services Router (CSR) 1000V. This particular version, 16.12.1b, is part of the IOS XE Gibraltar release cycle, which is highly sought after by network engineers for lab environments like GNS3, EVE-NG, and PNETLab. What is the Cisco CSR 1000V?
Upload the file and rename it to virtioa.qcow2 . This is the standard name EVE-NG looks for to boot the disk. Csr1000v-ucmk9.16.12.1b-serial.qcow2 REPACK
This usually indicates that the original Cisco image has been modified. Common modifications include pre-configuring the serial console, bypassing initial setup dialogs, or optimizing the file size for faster deployment in lab environments. Key Features of Version 16.12.1b The keyword refers to a specific virtual disk
Indicates the "Universal" image which contains all features; specific capabilities are typically unlocked via licenses (or evaluation modes). 16.12.1b: The specific IOS XE software version (Gibraltar). Upload the file and rename it to virtioa