If you’re trying to connect older Access Points (APs) to a newer Wireless LAN Controller (WLC), you might stumble upon this frustrating issue: the AP simply refuses to join. Instead, the log fills up with errors like DTLS-5-PEER_DISCONNECT (Peer x.x.x.x has closed connection) and FATAL: Certificate unknown. This can feel like a bad networking horror … Read more
(Credit – https://mrncciew.com/2013/12/13/ap-conversion-using-mode-button/ ) In this post we will see how to do the same task using Mode/Reset button of the Access point. Number 1 in the below diagram shows this Reset button of the given AP. You can use this mode/reset button when you do not know password or your AP firmware is corrupted,etc. … Read more
I recently tried to get an AP working that was having issues. To single out the OS or something else I blew away anything/everything on the FLASH: drive which renders it useless. WARNING Don’t try this unless you already have the recovery image or IOS handy! You can use the following to force delete specific … Read more
These steps are from a high level view and cover the overall process. Some steps are omitted. Download the IOS and place it on a thumb drive, or tftp etc. copy tftp://yourtftpsite/cat3k_caa-universalk9.SPA.03.07.05.E.152-3.E5.bin flash: (this may take several minutes to complete) When complete: software install file flash:cat3k_caa-universalk9.SPA.03.07.05.E.152-3.E5.bin After reboot/reload etc. software clean After the switch is back … Read more
This article was found on the internet… I haven’t tried it.. but will consider it on a test copy of one of the ISE servers. Our issue that the drives are too small and logs occasionally have to get cleared by a manual process till we have time to migrate to a new larger disk … Read more