Note that physical routers require a .bin extension, while some emulators expect .image . You can rename or symlink accordingly, though it is not recommended for real hardware.
He stuck it on the side of the Cisco 2691.
Troubleshooting "The image c2691-advipservicesk9-mz.124-17.image is missing"
Vikram didn’t answer. Because the truth was worse: two weeks ago, he’d gotten a routine alert. Flash memory degradation. He’d noted it in the log. Replace flash module by EOM. The end of the month was still four days away. the image c2691-advipservicesk9-mz.124-17.image is missing
Cisco_Images/ └── 2691/ ├── c2691-advipservicesk9-mz.124-17.image ├── c2691-advipservicesk9-mz.124-17.md5 └── c2691-advsecurityk9-mz.124-25a.image (backup)
This way, if the primary image is missing, the router tries the secondary.
Several reasons might lead to this error: Note that physical routers require a
(often renamed to .image in certain lab environments), is a Cisco IOS software image for the Cisco 2691 router
If you see this error in GNS3, it means the appliance template is configured to use that specific IOS version, but you haven't provided the actual file to the GNS3 VM.
Cisco IOS images are copyrighted. You must have a valid license or contract to download them from the Cisco Software Central. 3. Solution for Physical Cisco 2691 Routers Troubleshooting "The image c2691-advipservicesk9-mz
GNS3 often expects a specific filename. If your file is named slightly differently (e.g., c2691-advipservicesk9-mz.124-17.bin ), you may need to rename it or update the appliance template to match.
: This is the fastest method. Connect the router's Ethernet port to a PC running a TFTP server. Use ROMmon variables (like IP_ADDRESS , TFTP_SERVER , and TFTP_FILE ) to point the router toward the replacement image and then run the tftpdnld command.
If the file is missing, you cannot legally obtain it from Cisco without a valid service contract. For lab use, you may need to contact your organization’s Cisco account manager or use an alternative image (e.g., c2691-advsecurityk9-mz.124-25a.bin ). Always comply with Cisco licensing.