C2800nm Adventerprisek9 Mz 152 1 Full -

The "full" image size is approximately 54–58 MB. The base flash on many 2800 series routers is only 64 MB. After formatting, you may have insufficient space. Always verify available flash with show flash: before attempting the upgrade.

The adventerprisek9 requires a license file stored in flash: . Fortunately, for the 2800 series end-of-life devices, Cisco released universal images. Enter: c2800nm adventerprisek9 mz 152 1 full

Router# license accept end user agreement Router# license boot level adventerprisek9 Older 2800 routers with this image default to SSH v1.99. To enforce secure v2: The "full" image size is approximately 54–58 MB