Save your current running configuration ( copy running-config startup-config ) and keep a copy of your current stable .bin image on the flash.
Shorter lifecycles, designed to introduce new features quickly.
: Accept the terms and conditions (especially for cryptographic/K9 images) and download the file to a secure location or your TFTP/FTP server. Key Technical Requirements cisco asr 920 ios download
Downloading the image is just the first step. Upgrading an ASR 920 requires careful preparation to avoid boot loops or hardware errors.
Router# copy tftp://[server-ip]/asr920-universalk9.bin bootflash: Use code with caution. Copied to clipboard ROMMON Check Key Technical Requirements Downloading the image is just
Long-term support releases focused on bug fixes, security hardening, and maximum stability. Cisco designates specific trains as "Extended Support" releases.
Compare the output hash against the string you copied from the Cisco Software Download page. If they do not match, delete the file and download it again. 6. Summary of Best Practices Copied to clipboard ROMMON Check Long-term support releases
A valid support contract linked to your account for the specific ASR 920 device (smart licensing is commonly used).
After the router reboots, log back in and verify that the operational software version matches your download. Router# show version Router# show install summary Use code with caution. 6. Troubleshooting Common Download & Upgrade Issues
Disclaimer: This article is for informational purposes. Product names, trademarks, and registered trademarks are the property of their respective owners. Always verify download procedures with Cisco’s official documentation.
: Modern images typically require at least 4 GB of DRAM . Upgrade Considerations and Field Notices