See Appendix A for an example of how to set up the Tftpd64 server in Windows. Set up a TFTP server in a network that is cabled to the AP's LAN port (labeled '2.5G'). Note: These images are only to be used to recover an unbootable AP. Download the Catalyst 9115AX/9120AX Access Point Manufacture Image bundle-axel-SS-8_10_130_0.img.Use u-boot mode to copy the image into the AP via TFTP.ĭetailed Steps Download Special Image Bundle-Axel-SS-8_10_130.0.img.Download the special image bundle-axel-SS-8_10_130_0.img.This issue is documented as Field Notice: FN - 72278 - Some C9120 and C9115 APs Might Get Stuck in Bootup with 'Uncorrectable ECC Error' Displayed - Workaround Provided and as the Cisco bug ID CSCwa12652.

To recover them, you must console into each AP, and load in a special image via TFTP. These units log 'uncorrectable ECC error' messages to the console during bootup, and are unable to boot successfully.

27, 2021, Cisco manufactured a number of C9115 and C9120 access points with a bad image. This document describes the recovery procedure of Catalyst 9115/91120 access points that boot in the U-boot prompt instead of normal operating system.

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