OMG .... 2 years + and this is still an issue? WTF? brendankearney's semi-workaround did work for me. Strange part is that I have a small lab setup and it worked there ... in production it did not. As stated in the other comments above all other "Big Boy" switches work without issue ... however these SBS switches do not without Brendan's work around! I've wasted 12 hours on this today! And still not solution. On FW version 22.214.171.124 ... Late Dec 2014. No joy!
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It's probably too late to help you with this answer. As of today you post has been up for 3 months+. This may help someone else. I upgrade an SG300-28P (Nice switch - would love a 2960-48-POE though.). This switch is in my home and works very well. I'm hoping someday they come out with a 2 PORT 10GBe uplink version :) 1. Make a backup of your config (just in case ... and CYA) 1. I upgraded the firmware using the web interface (.ros) file. 2. Apply or Activate and reboot 3. Your switch should reboot just fine. 4. To install the boot load (.rfb) you must use a TFTP server ...not sure why this is so. If you don't have one - I suggest using TFTPF32 or 64bit version. I don't like the solarwind goons. 5. Hopefully you have some past history using FTP. It's really simple just stick the file into the upload/download folder of the TFTP server and you should be good to go. 6. Cisco SG WEB interface > Administration>File Managment> TFTP .... when you select TFTP the radio button for the "BOOT" fw is now available. Just type in the name of the file and it should load the boot firmware. 7. After you are done - reboot the switch. It will take 2-5 minutes to finish (at least mine did) ... all my settings including Radius were preserved.... it went pretty smooth. Hope this helps someone ...
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