angeln 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
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 … Read more
SanDisk SSD Dashboard Support Information The SanDisk SSD Dashboard helps users maintain peak performance of the SanDisk SSD in Windows® operating systems with a user-friendly graphical interface for the user. The SanDisk SSD Dashboard includes tools for analysis of the disk (including the disk model, capacity, firmware version, and SMART attributes) and firmware updates. Download: SanDisk … Read more
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From TecMint.com – https://www.tecmint.com/extend-and-reduce-lvms-in-linux/ Previously we have seen how to create a flexible disk storage using LVM. Here, we are going to see how to extend volume group, extend and reduce a logical volume. Here we can reduce or extend the partitions in Logical volume management (LVM) also called as flexible volume file-system. Extend/Reduce LVMs … Read more
From TecMint.com – https://www.tecmint.com/find-linux-filesystem-type/ A file system is the way in which files are named, stored, retrieved as well as updated on a storage disk or partition; the way files are organized on the disk. A file system is divided in two segments called: User Data and Metadata (file name, time it was created, modified … Read more
fdisk Fdisk is the most commonly used command to check the partitions on a disk. The fdisk command can display the partitions and details like file system type. However it does not report the size of each partitions. $ sudo fdisk -l Each device is reported separately with details about size, seconds, id and individual … 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